{"id":679,"date":"2026-05-27T06:40:09","date_gmt":"2026-05-27T06:40:09","guid":{"rendered":"https:\/\/rock-crusher-tractor.com\/?p=679"},"modified":"2026-05-27T06:40:09","modified_gmt":"2026-05-27T06:40:09","slug":"psw-3200-rotavator-complete-guide-korean-highland-farms","status":"publish","type":"post","link":"https:\/\/rock-crusher-tractor.com\/hi\/psw-3200-rotavator-complete-guide-korean-highland-farms\/","title":{"rendered":"PSW-3200 Rotavator Complete Guide \u2014 Heavy-Duty Tillage for Korean Highland Farms"},"content":{"rendered":"<div style=\"font-family: Georgia,'Times New Roman',serif; font-size: clamp(14px,2vw+10px,18px); color: #333; line-height: 1.8; word-break: break-word; overflow-wrap: break-word; max-width: 100%; box-sizing: border-box;\">\n<p><!-- HERO --><\/p>\n<div style=\"position: relative; background-image: url('https:\/\/rock-crusher-tractor.com\/wp-content\/uploads\/2025\/11\/PSW-3200-Rotavator-3.webp'); background-size: cover; background-position: center 40%; min-height: 490px; display: flex; align-items: center; justify-content: center; text-align: center; padding: 80px 20px; margin-bottom: 48px; border-radius: 6px; overflow: hidden;\">\n<div style=\"position: absolute; inset: 0; background: linear-gradient(to bottom,rgba(0,0,0,0.46) 0%,rgba(0,0,0,0.74) 100%);\"><\/div>\n<div style=\"position: relative; z-index: 1; max-width: 760px; color: #fff;\">\n<h1 style=\"font-size: clamp(22px,3.8vw+10px,44px); font-weight: bold; color: #fff; line-height: 1.2; margin: 0 0 20px 0; text-shadow: 0 2px 8px rgba(0,0,0,0.55);\">PSW-3200 Rotavator Complete Guide \u2014 Heavy-Duty Primary Tillage for Korean Highland Potato, Radish, and Vegetable Farms<\/h1>\n<p style=\"font-size: clamp(14px,1.8vw+9px,18px); color: rgba(255,255,255,0.9); margin: 0 0 28px 0; line-height: 1.6; max-width: 640px; margin-left: auto; margin-right: auto;\">The PSW-3200 is not just a rotavator \u2014 it is the machine that determines seedbed quality for every crop in the highland system. Set it up correctly for each crop and each soil condition, and everything from stone clearance to harvest performs better.<\/p>\n<p><a style=\"display: inline-block; background: #f07c00; color: #fff; padding: 14px 38px; border-radius: 4px; text-decoration: none; font-weight: bold; font-size: clamp(13px,1.5vw+9px,16px); letter-spacing: .02em; box-shadow: 0 4px 14px rgba(0,0,0,0.4);\" href=\"#contact\">PSW-3200 Configuration Enquiry<\/a><\/p>\n<\/div>\n<\/div>\n<p><!-- INTRO --><\/p>\n<p>The <a style=\"color: #f07c00; text-decoration: none; font-weight: bold;\" href=\"https:\/\/rock-crusher-tractor.com\/hi\/product\/psw-3200-rotavator-heavy-duty-tractor-mounted-rotary-tiller-with-3-0-3-6-m-working-width\/\">PSW-3200 \u0930\u094b\u091f\u093e\u0935\u0947\u091f\u0930<\/a> is Step 2 in the Watanabe 7-step Korean highland potato system \u2014 the primary tillage machine that follows stone clearing and precedes furrowing, planting, and everything downstream. But reducing the PSW-3200 to its role in the potato sequence misses its broader significance: it is the universal Korean highland tillage platform that serves all four crops in the rotation (potato, radish, cabbage, legume), incorporates lime and compost amendments, processes green manure residues, and builds the seedbed quality that determines every crop&#8217;s root environment.<\/p>\n<p>Understanding the PSW-3200 correctly means understanding how to configure it \u2014 depth, speed, PTO speed, and working width \u2014 for each specific application in the Korean highland farming calendar. A single configuration applied to all applications produces mediocre results across all of them. The correct configuration for each application produces the specific seedbed quality that each crop requires.<\/p>\n<p><!-- SECTION: CONFIRMED SPECS --><\/p>\n<h2 style=\"font-size: clamp(20px,2.8vw+10px,30px); color: #1a1a1a; border-left: 5px solid #f07c00; padding-left: 16px; margin: 48px 0 20px 0; line-height: 1.3;\">PSW-3200 Confirmed Specifications<\/h2>\n<p><img decoding=\"async\" style=\"width: 100%; height: auto; display: block; border-radius: 6px; margin: 20px 0 28px 0;\" title=\"PSW-3200 Rotavator \u2014 Full Specifications\" src=\"https:\/\/rock-crusher-tractor.com\/wp-content\/uploads\/2025\/11\/PSW-3200-Rotavator-1.webp\" alt=\"PSW-3200 rotavator \u2014 140HP, 3.0\u20133.6m adjustable working width, Standard and Model B versions, 1000 RPM PTO\" \/><\/p>\n<p style=\"color: #888; text-align: center; font-size: clamp(11px,1.1vw+7px,13px); margin-top: -16px; margin-bottom: 28px;\">\u0938\u092d\u0940 \u0935\u093f\u0936\u093f\u0937\u094d\u091f\u0924\u093e\u090f\u0902 \u0935\u093e\u0924\u093e\u0928\u093e\u092c\u0947 \u0915\u0947 \u0906\u0927\u093f\u0915\u093e\u0930\u093f\u0915 \u0909\u0924\u094d\u092a\u093e\u0926 \u0935\u093f\u0935\u0930\u0923\u093f\u0915\u093e \u0938\u0947 \u0932\u0940 \u0917\u0908 \u0939\u0948\u0902\u0964<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 0 0 32px 0;\">\n<div style=\"flex: 1 1 260px; background: #fff; border: 1px solid #e0e0e0; border-top: 5px solid #f07c00; padding: 20px; border-radius: 0 0 8px 8px; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #f07c00; font-size: clamp(16px,1.8vw+10px,20px); margin: 0 0 4px 0;\">PSW-3200 Standard (Model A)<\/p>\n<p style=\"color: #888; font-size: clamp(11px,1.1vw+7px,12px); margin: 0 0 14px 0;\">Primary tillage \u00b7 140 HP min \u00b7 Cat.2<\/p>\n<ul style=\"list-style: none; padding: 0; margin: 0; color: #555; font-size: clamp(12px,1.3vw+8px,14px);\">\n<li style=\"padding: 5px 0; border-bottom: 1px solid #f0f0f0; display: flex; gap: 8px;\"><span style=\"color: #f07c00; flex-shrink: 0;\">\u25b8<\/span>Working width: 3.0 m (standard) \/ 3.6 m (extended)<\/li>\n<li style=\"padding: 5px 0; border-bottom: 1px solid #f0f0f0; display: flex; gap: 8px;\"><span style=\"color: #f07c00; flex-shrink: 0;\">\u25b8<\/span>PTO: 540 or 1000 RPM selectable<\/li>\n<li style=\"padding: 5px 0; border-bottom: 1px solid #f0f0f0; display: flex; gap: 8px;\"><span style=\"color: #f07c00; flex-shrink: 0;\">\u25b8<\/span>\u0924\u0940\u0928-\u092c\u093f\u0902\u0926\u0941 \u0939\u093f\u091a: \u0936\u094d\u0930\u0947\u0923\u0940 2<\/li>\n<li style=\"padding: 5px 0; border-bottom: 1px solid #f0f0f0; display: flex; gap: 8px;\"><span style=\"color: #f07c00; flex-shrink: 0;\">\u25b8<\/span>Tillage depth: up to 28\u201330 cm<\/li>\n<li style=\"padding: 5px 0; display: flex; gap: 8px;\"><span style=\"color: #f07c00; flex-shrink: 0;\">\u25b8<\/span>Best for: primary tillage, amendment incorporation<\/li>\n<\/ul>\n<\/div>\n<div style=\"flex: 1 1 260px; background: #fff; border: 1px solid #e0e0e0; border-top: 5px solid #1565c0; padding: 20px; border-radius: 0 0 8px 8px; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #1565c0; font-size: clamp(16px,1.8vw+10px,20px); margin: 0 0 4px 0;\">PSW-3200 \u092e\u0949\u0921\u0932 \u092c\u0940<\/p>\n<p style=\"color: #888; font-size: clamp(11px,1.1vw+7px,12px); margin: 0 0 14px 0;\">Tillage + fertilizer combined \u00b7 2,000 Kg bunker<\/p>\n<ul style=\"list-style: none; padding: 0; margin: 0; color: #555; font-size: clamp(12px,1.3vw+8px,14px);\">\n<li style=\"padding: 5px 0; border-bottom: 1px solid #f0f0f0; display: flex; gap: 8px;\"><span style=\"color: #1565c0; flex-shrink: 0;\">\u25b8<\/span>All Standard specs plus 2,000 Kg fertilizer bunker<\/li>\n<li style=\"padding: 5px 0; border-bottom: 1px solid #f0f0f0; display: flex; gap: 8px;\"><span style=\"color: #1565c0; flex-shrink: 0;\">\u25b8<\/span>Distributes granular or pellet fertilizer during tillage pass<\/li>\n<li style=\"padding: 5px 0; border-bottom: 1px solid #f0f0f0; display: flex; gap: 8px;\"><span style=\"color: #1565c0; flex-shrink: 0;\">\u25b8<\/span>Saves one full field pass vs separate tillage + fertiliser<\/li>\n<li style=\"padding: 5px 0; border-bottom: 1px solid #f0f0f0; display: flex; gap: 8px;\"><span style=\"color: #1565c0; flex-shrink: 0;\">\u25b8<\/span>Incorporates applied fertilizer to full tillage depth<\/li>\n<li style=\"padding: 5px 0; display: flex; gap: 8px;\"><span style=\"color: #1565c0; flex-shrink: 0;\">\u25b8<\/span>Best for: compressed spring calendar, lime + fertilizer combined<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p><!-- SECTION: WHY 1000 RPM MATTERS --><\/p>\n<h2 style=\"font-size: clamp(20px,2.8vw+10px,30px); color: #1a1a1a; border-left: 5px solid #f07c00; padding-left: 16px; margin: 48px 0 20px 0; line-height: 1.3;\">Why 1000 RPM Matters \u2014 and When to Use 540 RPM<\/h2>\n<p>The PSW-3200&#8217;s selectable 540\/1000 RPM PTO is one of its most valuable features for Korean highland use, because the optimal PTO speed differs between applications in the highland farming calendar:<\/p>\n<div style=\"overflow-x: auto; margin: 14px 0 28px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; font-size: clamp(12px,1.3vw+8px,14px); min-width: 440px;\">\n<thead>\n<tr style=\"background: #1a1a1a; color: #fff;\">\n<th style=\"padding: 9px 12px; text-align: left; border-right: 1px solid #333;\">\u0906\u0935\u0947\u0926\u0928<\/th>\n<th style=\"padding: 9px 12px; text-align: center; border-right: 1px solid #333;\">Recommended PTO<\/th>\n<th style=\"padding: 9px 12px; text-align: left;\">\u0915\u093e\u0930\u0923<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">Spring primary tillage \u2014 potato<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center; font-weight: bold; color: #f07c00;\">1000 \u0906\u0930\u092a\u0940\u090f\u092e<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">Higher blade tip speed produces finer fragmentation \u2014 target 10\u201325 mm particle size for potato ridge formation<\/td>\n<\/tr>\n<tr style=\"background: #f8f8f8;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">Radish seedbed preparation<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center; font-weight: bold; color: #f07c00;\">1000 RPM (double pass)<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">Radish requires finest tilth (5\u201315 mm) \u2014 double pass at 1000 RPM at 90\u00b0 directions produces correct particle size<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">\u0939\u0930\u0940 \u0916\u093e\u0926 \u0915\u093e \u092e\u093f\u0936\u094d\u0930\u0923<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center; font-weight: bold; color: #f07c00;\">1000 \u0906\u0930\u092a\u0940\u090f\u092e<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">High blade speed cuts and shreds plant material into small fragments for rapid decomposition; slow speed leaves long plant pieces that wrap around rotor<\/td>\n<\/tr>\n<tr style=\"background: #f8f8f8;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">Lime and compost incorporation<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center; font-weight: bold; color: #f07c00;\">1000 \u0906\u0930\u092a\u0940\u090f\u092e<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">Maximum mixing action distributes lime through full tillage depth \u2014 critical for pH correction to 25 cm root zone<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">Autumn post-harvest tillage<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center; color: #888;\">540 or 1000 RPM<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">540 RPM adequate for rough autumn tillage; 1000 RPM if combining with residue incorporation to speed decomposition<\/td>\n<\/tr>\n<tr style=\"background: #f8f8f8;\">\n<td style=\"padding: 8px 12px;\">Cabbage seedbed<\/td>\n<td style=\"padding: 8px 12px; text-align: center;\">540 RPM (shallower)<\/td>\n<td style=\"padding: 8px 12px;\">Cabbage needs only 15\u201320 cm depth and moderate tilth; 540 RPM at shallower depth saves fuel without quality penalty<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><!-- SECTION: DEPTH AND SPEED SETTINGS --><\/p>\n<h2 style=\"font-size: clamp(20px,2.8vw+10px,30px); color: #1a1a1a; border-left: 5px solid #f07c00; padding-left: 16px; margin: 48px 0 20px 0; line-height: 1.3;\">Depth and Forward Speed \u2014 The Two Settings That Determine Tilth Quality<\/h2>\n<p><img decoding=\"async\" style=\"width: 100%; height: auto; display: block; border-radius: 6px; margin: 20px 0 28px 0;\" title=\"Stone Clearing Before PSW-3200 \u2014 Depth Consistency\" src=\"https:\/\/rock-crusher-tractor.com\/wp-content\/uploads\/2025\/11\/THOR-2.4-Rock-Crusher-with-Kit-Drawbar-application-1.webp\" alt=\"THOR 2.4 stone clearing before PSW-3200 tillage \u2014 stone cleared soil produces consistent PSW-3200 blade depth without stone impact interruptions\" \/><\/p>\n<p>Tillage depth and forward speed interact to determine the final particle size and uniformity of the Korean highland seedbed. Understanding this interaction \u2014 and setting both parameters correctly for each application \u2014 is the practical skill that differentiates professional PSW-3200 operation from casual use:<\/p>\n<div style=\"background: #f7f7f7; border-radius: 8px; padding: 18px 22px; margin: 14px 0 28px 0; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #1a1a1a; margin: 0 0 10px 0;\">Depth \u00d7 Speed interaction principle:<\/p>\n<div style=\"display: flex; flex-direction: column; gap: 6px; font-size: clamp(12px,1.3vw+8px,14px); color: #555;\">\n<div style=\"padding: 6px 10px; background: #fff; border-radius: 4px; display: flex; gap: 8px;\"><span style=\"color: #f07c00; flex-shrink: 0;\">\u2192<\/span><strong>Shallower depth + faster forward speed:<\/strong> Each blade cuts a shallower, longer slice \u2014 producing coarser fragments. Faster field coverage, lower fuel cost, less intensive tillage. Appropriate for autumn rough tillage or cabbage seedbed where fine tilth is not required.<\/div>\n<div style=\"padding: 6px 10px; background: #f8f8f8; border-radius: 4px; display: flex; gap: 8px;\"><span style=\"color: #f07c00; flex-shrink: 0;\">\u2192<\/span><strong>Deeper depth + slower forward speed:<\/strong> Each blade cuts a deeper, shorter slice \u2014 producing finer fragments with more thorough mixing. Higher fuel cost, lower daily coverage, more intensive tillage. Required for potato ridge formation, radish seedbed, and lime incorporation at full depth.<\/div>\n<div style=\"padding: 6px 10px; background: #fff; border-radius: 4px; display: flex; gap: 8px;\"><span style=\"color: #f07c00; flex-shrink: 0;\">\u2192<\/span><strong>The rule of thumb:<\/strong> For each 5 cm increase in working depth, reduce forward speed by 0.5\u20131 km\/h to maintain the same fragment size output. A speed that produces excellent 15 cm seedbed will produce a cloddy 25 cm seedbed \u2014 not from machine limitations but from the physics of soil slice geometry.<\/div>\n<\/div>\n<\/div>\n<div style=\"overflow-x: auto; margin: 14px 0 28px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; font-size: clamp(12px,1.3vw+8px,14px); min-width: 440px;\">\n<thead>\n<tr style=\"background: #1a1a1a; color: #fff;\">\n<th style=\"padding: 9px 12px; text-align: left; border-right: 1px solid #333;\">Crop \/ purpose<\/th>\n<th style=\"padding: 9px 12px; text-align: center; border-right: 1px solid #333;\">\u0917\u0939\u0930\u093e\u0908<\/th>\n<th style=\"padding: 9px 12px; text-align: center; border-right: 1px solid #333;\">Speed<\/th>\n<th style=\"padding: 9px 12px; text-align: left;\">Target particle size<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; font-weight: bold;\">Potato (single pass)<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center;\">25\u201328 \u0938\u0947\u092e\u0940<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center;\">3\u20134 km\/h<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">10\u201325 mm for ridge formation<\/td>\n<\/tr>\n<tr style=\"background: #f8f8f8;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; font-weight: bold; color: #1565c0;\">Radish (1st pass)<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center;\">20\u201322 \u0938\u0947\u092e\u0940<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center;\">4\u20135 km\/h<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">20\u201330 mm after 1st pass<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; font-weight: bold; color: #1565c0;\">Radish (2nd pass, 90\u00b0)<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center;\">18\u201320 \u0938\u0947\u092e\u0940<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center;\">3\u20134 km\/h<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">5\u201315 mm after 2nd pass<\/td>\n<\/tr>\n<tr style=\"background: #f8f8f8;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; font-weight: bold;\">\u092a\u0924\u094d\u0924\u093e \u0917\u094b\u092d\u0940<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center;\">15\u201318 cm<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center;\">5\u20136 km\/h<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">15\u201335 mm (coarser acceptable)<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; font-weight: bold;\">\u0939\u0930\u0940 \u0916\u093e\u0926 \u0915\u093e \u092e\u093f\u0936\u094d\u0930\u0923<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center;\">20\u201322 \u0938\u0947\u092e\u0940<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: center;\">2\u20133 km\/h<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">Plant material shredded and buried<\/td>\n<\/tr>\n<tr style=\"background: #f8f8f8;\">\n<td style=\"padding: 8px 12px;\">\u091a\u0942\u0928\u0947 \u0915\u093e \u0938\u092e\u093e\u0935\u0947\u0936<\/td>\n<td style=\"padding: 8px 12px; text-align: center;\">25 \u0938\u0947\u092e\u0940<\/td>\n<td style=\"padding: 8px 12px; text-align: center;\">3\u20134 km\/h<\/td>\n<td style=\"padding: 8px 12px;\">Maximum mixing to full pH correction depth<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><!-- SECTION: SOIL MOISTURE AND TIMING --><\/p>\n<h2 style=\"font-size: clamp(20px,2.8vw+10px,30px); color: #1a1a1a; border-left: 5px solid #f07c00; padding-left: 16px; margin: 48px 0 20px 0; line-height: 1.3;\">Soil Moisture \u2014 The Most Important Pre-Tillage Check<\/h2>\n<p>Tillage soil moisture is the single most important variable in PSW-3200 operation \u2014 more important than depth or speed in determining final seedbed quality. Tilling at the wrong soil moisture creates soil structure problems that persist through the growing season and are not correctable by additional tillage:<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 12px; margin: 14px 0 28px 0;\">\n<div style=\"flex: 1 1 200px; background: #fff0f0; border: 1px solid #f0c0c0; border-left: 4px solid #cc3333; padding: 14px 16px; border-radius: 0 6px 6px 0; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #cc3333; margin: 0 0 6px 0;\">Too Wet \u2014 Puddling and Smearing<\/p>\n<p style=\"margin: 0; color: #555; font-size: clamp(12px,1.3vw+8px,14px);\">Tilling wet soil (plastic, sticky at 15 cm depth) causes blade smearing \u2014 the rotating blades smear and compact the blade path rather than breaking soil structure. The result is a thin compaction layer (plough pan) at tillage depth that restricts root penetration for the entire growing season. Korean highland granite soils are particularly susceptible because their high silt fraction gives them a narrow plastic range \u2014 they transition quickly from too wet to too dry as spring progresses.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; background: #fff0f0; border: 1px solid #f0c0c0; border-left: 4px solid #cc3333; padding: 14px 16px; border-radius: 0 6px 6px 0; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #cc3333; margin: 0 0 6px 0;\">Too Dry \u2014 Dusting and Clod Formation<\/p>\n<p style=\"margin: 0; color: #555; font-size: clamp(12px,1.3vw+8px,14px);\">Over-dry soil (mid-summer, late-autumn hard-dried soil) breaks into large hard clods that the PSW-3200 cannot reduce to acceptable seedbed size in a single pass without destructive over-working. Dusting \u2014 the production of very fine powder from over-dry soil at high PTO speed \u2014 destroys soil aggregate structure and creates a surface prone to capping after the first rain. Avoid tilling when the soil crumbles into fine dust at 10 cm depth.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; background: #f0fff0; border: 1px solid #c0d8c0; border-left: 4px solid #2d5f2d; padding: 14px 16px; border-radius: 0 6px 6px 0; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #2d5f2d; margin: 0 0 6px 0;\">Correct \u2014 Friable at Working Depth<\/p>\n<p style=\"margin: 0; color: #555; font-size: clamp(12px,1.3vw+8px,14px);\">Correct tillage moisture: soil at 15 cm depth squeezed in the hand forms a ball that breaks cleanly with light pressure (does not stay plastic, does not crumble to powder). Korean highland spring conditions typically produce this moisture level 5\u201310 days after full soil thaw \u2014 confirming this before PSW-3200 deployment saves the season from compaction damage.<\/p>\n<\/div>\n<\/div>\n<p><!-- SECTION: PSW-3200 IN THE 7-STEP SYSTEM --><\/p>\n<h2 style=\"font-size: clamp(20px,2.8vw+10px,30px); color: #1a1a1a; border-left: 5px solid #f07c00; padding-left: 16px; margin: 48px 0 20px 0; line-height: 1.3;\">PSW-3200 in the Complete 7-Step Potato System<\/h2>\n<p><img decoding=\"async\" style=\"width: 100%; height: auto; display: block; border-radius: 6px; margin: 20px 0 28px 0;\" title=\"PSW-3200 Seedbed Quality Determines Planting Success\" src=\"https:\/\/rock-crusher-tractor.com\/wp-content\/uploads\/2026\/05\/Potato-Planter-1.webp\" alt=\"EP-PAI-2100 potato planter \u2014 planting quality depends on the PSW-3200 seedbed prepared at Step 2\" \/><\/p>\n<p>The PSW-3200&#8217;s Step 2 tillage quality determines the performance of every subsequent step in the <a style=\"color: #f07c00; text-decoration: none; font-weight: bold;\" href=\"https:\/\/rock-crusher-tractor.com\/hi\/product-category\/potato-machinery\/\">\u0906\u0932\u0942 \u092c\u0928\u093e\u0928\u0947 \u0915\u0940 \u092e\u0936\u0940\u0928\u0930\u0940<\/a> system. Understanding these dependencies clarifies why PSW-3200 setup is not a casual operation:<\/p>\n<div style=\"display: flex; flex-direction: column; gap: 8px; margin: 14px 0 24px 0;\">\n<div style=\"display: flex; gap: 12px; background: #f8f8f8; border-radius: 6px; padding: 10px 14px; border: 1px solid #e0e0e0; box-sizing: border-box; font-size: clamp(12px,1.3vw+8px,14px);\">\n<p><span style=\"color: #f07c00; flex-shrink: 0; font-size: 1em; margin-top: 2px;\">\u091a\u0930\u0923 3<\/span><\/p>\n<p style=\"margin: 0; color: #555;\"><strong>Furrower (EP-R-380\/R-580):<\/strong> The furrower forms the potato ridge from the PSW-3200-tilled soil. Coarse, cloddy tilth from poor PSW-3200 operation produces irregular ridge density \u2014 tubers planted into cloddy ridges have uneven seed-to-soil contact and inconsistent emergence.<\/p>\n<\/div>\n<div style=\"display: flex; gap: 12px; background: #fff; border-radius: 6px; padding: 10px 14px; border: 1px solid #e0e0e0; box-sizing: border-box; font-size: clamp(12px,1.3vw+8px,14px);\">\n<p><span style=\"color: #f07c00; flex-shrink: 0; font-size: 1em; margin-top: 2px;\">\u091a\u0930\u0923 5<\/span><\/p>\n<p style=\"margin: 0; color: #555;\"><strong>Planter (EP-PAI-2100):<\/strong> Planting depth consistency requires uniform resistance from the ridge soil. Irregular clod distribution in the ridge causes the planting share to deflect \u2014 producing variable planting depths that directly reduce yield and size uniformity at harvest.<\/p>\n<\/div>\n<div style=\"display: flex; gap: 12px; background: #f8f8f8; border-radius: 6px; padding: 10px 14px; border: 1px solid #e0e0e0; box-sizing: border-box; font-size: clamp(12px,1.3vw+8px,14px);\">\n<p><span style=\"color: #f07c00; flex-shrink: 0; font-size: 1em; margin-top: 2px;\">\u091a\u0930\u0923 7<\/span><\/p>\n<p style=\"margin: 0; color: #555;\"><strong>Digger (EP-AWB-1600):<\/strong> Poorly tilled, compacted ridges resist the digger share \u2014 increasing traction demand, share wear, and tuber damage during the lifting pass. Fine, well-structured ridges from correct PSW-3200 tillage allow the digger to work with minimal resistance, reducing machine wear and tuber bruising simultaneously.<\/p>\n<\/div>\n<\/div>\n<p><!-- SECTION: MODEL B FERTILIZER BUNKER --><\/p>\n<h2 style=\"font-size: clamp(20px,2.8vw+10px,30px); color: #1a1a1a; border-left: 5px solid #f07c00; padding-left: 16px; margin: 48px 0 20px 0; line-height: 1.3;\">PSW-3200 Model B \u2014 Combining Tillage and Fertilizer in One Pass<\/h2>\n<p><img decoding=\"async\" style=\"width: 100%; height: auto; display: block; border-radius: 6px; margin: 20px 0 28px 0;\" title=\"PSW-3200 Model B \u2014 Single-Pass Tillage and Fertilizer\" src=\"https:\/\/rock-crusher-tractor.com\/wp-content\/uploads\/2025\/11\/rock-crusher-tractor-bgm-1.webp\" alt=\"Korean highland farmland \u2014 PSW-3200 Model B saves one full field pass by combining tillage with fertilizer application in a single operation\" \/><\/p>\n<p>The PSW-3200 Model B carries a 2,000 Kg fertilizer bunker that distributes granular or pellet fertilizer onto the soil surface during the tillage pass \u2014 the rotor then incorporates the fertilizer to the full tillage depth immediately. This combined tillage-and-fertilizer operation saves one complete field pass from the spring preparation sequence, which is significant in the compressed Korean highland spring calendar.<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 14px 0 24px 0;\">\n<div style=\"flex: 1 1 220px; background: #f0f5ff; border: 1px solid #c0d0f0; border-left: 5px solid #1565c0; padding: 14px 16px; border-radius: 0 6px 6px 0; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #1565c0; margin: 0 0 6px 0;\">What the Model B saves<\/p>\n<p style=\"margin: 0; color: #555; font-size: clamp(12px,1.3vw+8px,14px);\">On a 10 ha farm, eliminating a separate fertilizer application pass saves approximately 4\u20136 hours of tractor time and fuel cost. Multiplied across the spring window, this creates buffer time before the planting deadline \u2014 directly reducing the risk of late planting from a compressed spring calendar.<\/p>\n<\/div>\n<div style=\"flex: 1 1 220px; background: #f0f5ff; border: 1px solid #c0d0f0; border-left: 5px solid #1565c0; padding: 14px 16px; border-radius: 0 6px 6px 0; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #1565c0; margin: 0 0 6px 0;\">What materials the Model B handles<\/p>\n<p style=\"margin: 0; color: #555; font-size: clamp(12px,1.3vw+8px,14px);\">Granular compound fertilizer (12:12:12, 10:20:10 and other common Korean formulations), pellet lime (for small-volume pH top-up applications), granular organic fertilizer (certified organic production), and pellet compost fertilizer. The bunker does not handle fine powder lime (\u77f3\u7070\uc11d, standard agriculture lime) \u2014 for powder lime, apply separately before the tillage pass and incorporate by the PSW-3200 as normal.<\/p>\n<\/div>\n<\/div>\n<p><!-- FAQ --><\/p>\n<h2 style=\"font-size: clamp(20px,2.8vw+10px,30px); color: #1a1a1a; border-left: 5px solid #f07c00; padding-left: 16px; margin: 48px 0 20px 0; line-height: 1.3;\">Blade Configuration and Rotor Pattern \u2014 Understanding the PSW-3200&#8217;s Tillage Geometry<\/h2>\n<p>The PSW-3200&#8217;s rotor carries hardened steel blades arranged in a specific helix pattern around the rotor drum. This helix arrangement ensures that blades enter the soil progressively across the working width \u2014 rather than all blades striking simultaneously \u2014 producing smoother operation, lower peak torque demand on the PTO, and more uniform soil fragmentation across the full working width.<\/p>\n<p>Two blade configuration factors that Korean highland operators should understand:<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 14px 0 24px 0;\">\n<div style=\"flex: 1 1 220px; background: #fff; border: 1px solid #e0e0e0; border-left: 4px solid #f07c00; padding: 14px 16px; border-radius: 0 6px 6px 0; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #f07c00; margin: 0 0 6px 0;\">Blade penetration angle<\/p>\n<p style=\"margin: 0; color: #555; font-size: clamp(12px,1.3vw+8px,14px);\">Blades hit the soil at a forward-cutting angle \u2014 soil is cut and thrown backward into the rotor housing where it is further broken by impact against the housing rear wall. The forward cutting angle is fixed in the blade geometry; operators influence fragment size through depth and speed adjustments, not blade angle change.<\/p>\n<\/div>\n<div style=\"flex: 1 1 220px; background: #fff; border: 1px solid #e0e0e0; border-left: 4px solid #f07c00; padding: 14px 16px; border-radius: 0 6px 6px 0; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #f07c00; margin: 0 0 6px 0;\">Blade width and stone contact<\/p>\n<p style=\"margin: 0; color: #555; font-size: clamp(12px,1.3vw+8px,14px);\">PSW-3200 blades are narrow (typically 40\u201350 mm wide) \u2014 this narrow profile minimises the stress on the blade when contacting small residual stones (3\u20138 cm) that remain after THOR + CT-2100 clearance. Wider blades would present more surface area to residual stone impacts, increasing bending stress. The narrow blade design is appropriate for Korean highland granite soils with typical post-clearance residual stone population.<\/p>\n<\/div>\n<\/div>\n<h2 style=\"font-size: clamp(20px,2.8vw+10px,30px); color: #1a1a1a; border-left: 5px solid #f07c00; padding-left: 16px; margin: 48px 0 20px 0; line-height: 1.3;\">PSW-3200 in the Highland Farming Cost Structure<\/h2>\n<p>The PSW-3200 is one of the lower marginal operating cost machines in the Korean highland system \u2014 once purchased, its annual fuel and blade wear cost per hectare is modest compared to the THOR 2.4 (180 HP, high tooth wear) and the EP-AWB-1600 (share wear and collection system maintenance). The PSW-3200&#8217;s primary annual cost is blade wear, which is predictable and budget-plannable from the replacement interval described in the FAQ section.<\/p>\n<p>For Korean highland farmers building a complete system, the PSW-3200 is typically the second or third machine purchased after the stone clearing system (<a style=\"color: #f07c00; text-decoration: none; font-weight: bold;\" href=\"https:\/\/rock-crusher-tractor.com\/hi\/product\/thor-2-4-rock-crusher-with-kit-drawbar-180-hp-stone-crusher-mulcher-for-tractor\/\">\u0925\u094b\u0930 2.4<\/a> + CT-2100). This sequencing is correct \u2014 stone clearing creates the precondition for productive tillage; purchasing the rotavator before the stone clearing system results in a machine that operates with high blade impact rates from un-cleared fields, accelerating wear and reducing seedbed quality simultaneously. The complete system investment sequence for a new Korean highland farm: (1) THOR 2.4 + CT-2100, (2) PSW-3200, (3) furrower + fertilizer applicator, (4) planter + cultivator, (5) digger. Korea Watanabe can supply all five steps from Korean local stock.<\/p>\n<h2 style=\"font-size: clamp(20px,2.8vw+10px,30px); color: #1a1a1a; border-left: 5px solid #f07c00; padding-left: 16px; margin: 48px 0 20px 0; line-height: 1.3;\">PSW-3200 Annual Maintenance Programme \u2014 Keeping the Rotavator at Full Performance<\/h2>\n<p>The PSW-3200 operates under sustained high-load PTO conditions during the critical spring preparation window \u2014 140 HP minimum, 1000 RPM, working through stone-cleared but still demanding highland granite soil. A systematic annual maintenance programme prevents the mid-season failures that cost spring preparation days during the most time-pressured period of the Korean highland farming year.<\/p>\n<div style=\"overflow-x: auto; margin: 14px 0 28px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; font-size: clamp(12px,1.3vw+8px,14px); min-width: 440px;\">\n<thead>\n<tr style=\"background: #1a1a1a; color: #fff;\">\n<th style=\"padding: 9px 12px; text-align: left; border-right: 1px solid #333;\">\u0905\u0902\u0924\u0930\u093e\u0932<\/th>\n<th style=\"padding: 9px 12px; text-align: left; border-right: 1px solid #333;\">\u0915\u093e\u092e<\/th>\n<th style=\"padding: 9px 12px; text-align: left;\">Consequence if neglected<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; font-weight: bold;\">\u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 \u0938\u0940\u091c\u093c\u0928 \u0938\u0947 \u092a\u0939\u0932\u0947 (\u092b\u0930\u0935\u0930\u0940)<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">Measure all blades \u2014 replace any at or below 60% of new length; gearbox oil change; check all bearing lubrication points; inspect PTO shaft joints and shielding<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">Worn blades produce coarse, uneven tilth that degrades seedbed quality for the full season; dry bearings fail rapidly under 1000 RPM load<\/td>\n<\/tr>\n<tr style=\"background: #f8f8f8;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; font-weight: bold;\">\u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 8 \u0915\u093e\u0930\u094d\u092f \u0918\u0902\u091f\u094b\u0902 \u092e\u0947\u0902<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">Grease all bearing nipples (rotor bearings, side-gear housing bearings); check blade retaining bolt torque on 10% sample; inspect PTO shaft slip clutch function<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">Rotor bearing failure under stone impact loading is the most common PSW-3200 mid-season breakdown \u2014 preventable entirely by lubrication discipline<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee; font-weight: bold;\">Every 50 operating hours<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">Full blade inspection (all blades measured); side-gear housing oil level check; rotor shaft seal condition; PTO shaft driveline wear assessment<\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\">Gradual blade wear below threshold produces quality decline that operators often attribute to soil conditions rather than blade wear<\/td>\n<\/tr>\n<tr style=\"background: #f8f8f8;\">\n<td style=\"padding: 8px 12px; font-weight: bold; color: #cc3333;\">End of season (mandatory)<\/td>\n<td style=\"padding: 8px 12px; font-weight: bold; color: #cc3333;\">Replace all blades below replacement threshold; gearbox oil drain and refill; clean all soil from rotor housing; grease all points before winter storage; inspect rotor housing for cracks or weld fatigue from stone impacts<\/td>\n<td style=\"padding: 8px 12px; font-weight: bold; color: #cc3333;\">Machine stored with worn blades begins next spring at sub-optimal performance; winter corrosion on un-greased bearings requires workshop service before first use<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"background: #fff9f3; border-left: 5px solid #f07c00; padding: 16px 20px; border-radius: 0 6px 6px 0; margin: 0 0 28px 0; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #1a1a1a; margin: 0 0 8px 0;\">The gearbox oil change rule<\/p>\n<p style=\"margin: 0; color: #555; font-size: clamp(12px,1.3vw+8px,14px);\">PSW-3200 gearbox oil should be changed annually \u2014 regardless of operating hours in that season. Korean highland spring tillage is typically concentrated into 3\u20134 weeks of intensive operation followed by 10 months of storage. Even at low total operating hours, the gearbox oil absorbs water condensation during the storage period that degrades its lubricating properties. The annual oil change at the start of February pre-season service removes this accumulated moisture contamination and ensures the gearbox begins each intensive operating period with fresh, clean oil. Use the oil specification listed in the PSW-3200 operator manual \u2014 Korea Watanabe confirms the current oil specification for your specific machine generation on request.<\/p>\n<\/div>\n<h2 style=\"font-size: clamp(20px,2.8vw+10px,30px); color: #1a1a1a; border-left: 5px solid #f07c00; padding-left: 16px; margin: 48px 0 20px 0; line-height: 1.3;\">Tillage Effect on Irrigation Efficiency \u2014 A Connection Often Overlooked<\/h2>\n<p>The PSW-3200&#8217;s tillage depth and quality directly affect the efficiency of irrigation water use during the Korean highland growing season \u2014 a connection that is rarely discussed but practically significant. Well-tilled soil (correct particle size, no compaction layer at tillage depth) maintains superior pore structure throughout the root zone compared to poorly tilled or un-tilled soil. This pore structure difference produces measurable effects on irrigation:<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 14px 0 28px 0;\">\n<div style=\"flex: 1 1 200px; background: #f0f5ff; border: 1px solid #c0d0f0; border-left: 4px solid #1565c0; padding: 14px 16px; border-radius: 0 6px 6px 0; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #1565c0; margin: 0 0 6px 0;\">Water infiltration rate<\/p>\n<p style=\"margin: 0; color: #555; font-size: clamp(12px,1.3vw+8px,14px);\">Well-tilled highland soil absorbs drip irrigation water at 3\u20135\u00d7 the rate of compacted or poorly tilled soil. Higher infiltration rate means drip application can proceed at higher emitter output without surface runoff \u2014 reducing irrigation duration while delivering the same root zone moisture target. Korean highland potato ridges with correct PSW-3200 tilth typically require 20\u201330% less irrigation run time per litre of soil moisture replenishment compared to poorly tilled ridges.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; background: #f0f5ff; border: 1px solid #c0d0f0; border-left: 4px solid #1565c0; padding: 14px 16px; border-radius: 0 6px 6px 0; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #1565c0; margin: 0 0 6px 0;\">Root zone water distribution<\/p>\n<p style=\"margin: 0; color: #555; font-size: clamp(12px,1.3vw+8px,14px);\">Compaction layers (plough pan) at the PSW-3200 tillage depth boundary restrict water movement from the tillage zone into the sub-tillage zone. Where the plough pan is severe, roots confined to the tillage zone experience extreme moisture variability \u2014 rapidly saturated after irrigation, rapidly dry as the tillage zone water is depleted. Avoiding plough pan through correct tillage moisture management and depth variation (described above) allows water from the tillage zone to redistribute more uniformly through the complete root development zone.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; background: #f0f5ff; border: 1px solid #c0d0f0; border-left: 4px solid #1565c0; padding: 14px 16px; border-radius: 0 6px 6px 0; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #1565c0; margin: 0 0 6px 0;\">Hollow heart prevention in radish<\/p>\n<p style=\"margin: 0; color: #555; font-size: clamp(12px,1.3vw+8px,14px);\">Hollow heart in Korean highland radish (internal cracking from rapid re-wetting of dry soil) is directly related to the soil water movement characteristics \u2014 soils with good pore structure absorb re-wetting water gradually, reducing the hydraulic stress on developing roots. Correctly tilled, fine-tilth radish beds produced by the PSW-3200 double-pass at 1000 RPM have measurably lower hollow heart incidence than coarse-tilth beds \u2014 connecting tillage quality to the premium quality problem described in the radish guide.<\/p>\n<\/div>\n<\/div>\n<h2 style=\"font-size: clamp(20px,2.8vw+10px,30px); color: #1a1a1a; border-left: 5px solid #f07c00; padding-left: 16px; margin: 48px 0 20px 0; line-height: 1.3;\">Working Width Selection and Field Coverage Planning<\/h2>\n<p>The PSW-3200&#8217;s adjustable working width (3.0 m or 3.6 m) interacts with field dimensions to determine the total number of passes required per field and, consequently, the spring preparation time budget. Planning the pass count before the season starts identifies whether the PSW-3200 working width correctly aligns with the field&#8217;s crop row geometry:<\/p>\n<div style=\"display: flex; flex-direction: column; gap: 6px; margin: 14px 0 24px 0; font-size: clamp(12px,1.3vw+8px,14px);\">\n<div style=\"display: flex; gap: 10px; background: #f8f8f8; border-radius: 4px; padding: 8px 14px; box-sizing: border-box;\">\n<p><span style=\"color: #f07c00; flex-shrink: 0; font-weight: bold;\">Example A:<\/span><\/p>\n<p style=\"margin: 0; color: #555;\">10 ha field, 3.0 m PSW-3200 width, 300 m row length = 333 passes \u00d7 300 m = 100 km total rotor distance. At 4 km\/h forward speed and 7 productive hours\/day = 28 km\/day field coverage \u2192 3.6 days for tillage phase.<\/p>\n<\/div>\n<div style=\"display: flex; gap: 10px; background: #fff; border-radius: 4px; padding: 8px 14px; box-sizing: border-box;\">\n<p><span style=\"color: #1565c0; flex-shrink: 0; font-weight: bold;\">Example B:<\/span><\/p>\n<p style=\"margin: 0; color: #555;\">Same 10 ha field, 3.6 m PSW-3200 width = 278 passes \u00d7 300 m = 83 km total \u2192 3.0 days for tillage phase. The 3.6 m width saves 0.6 days of the spring calendar on a 10 ha field \u2014 potentially half the buffer that separates on-time planting from late planting at 600 m altitude.<\/p>\n<\/div>\n<div style=\"display: flex; gap: 10px; background: #f0fff0; border-radius: 4px; padding: 8px 14px; box-sizing: border-box;\">\n<p><span style=\"color: #2d5f2d; flex-shrink: 0; font-weight: bold;\">Planning rule:<\/span><\/p>\n<p style=\"margin: 0; color: #555;\">Always calculate pass count against field area and row length before deciding between 3.0 m and 3.6 m. If the farm&#8217;s furrower working width matches the wider rotavator width, choose 3.6 m. If the furrower width matches 3.0 m, the 3.6 m rotavator creates untreated strip edges that require correction passes \u2014 negating the speed advantage.<\/p>\n<\/div>\n<\/div>\n<h2 style=\"font-size: clamp(20px,2.8vw+10px,30px); color: #1a1a1a; border-left: 5px solid #f07c00; padding-left: 16px; margin: 48px 0 20px 0; line-height: 1.3;\">\u0905\u0915\u094d\u0938\u0930 \u092a\u0942\u091b\u0947 \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u094d\u0930\u0936\u094d\u0928\u094b\u0902<\/h2>\n<div style=\"display: flex; flex-direction: column; gap: 0;\">\n<details style=\"border-bottom: 1px solid #e5e5e5; padding: 16px 0;\">\n<summary style=\"font-weight: bold; color: #1a1a1a; cursor: pointer; font-size: clamp(14px,1.6vw+8px,16px);\">Can the PSW-3200 work on recently stone-cleared land that still has THOR-crushed aggregate in the soil?<\/summary>\n<p style=\"margin: 12px 0 0 0; color: #555;\">Yes \u2014 the PSW-3200 is designed to work on stone-cleared land including fields that retain THOR-crushed aggregate (fragments below the CT-2100 collection threshold, typically below 3\u20134 cm). Small granite fragments in this size range do not damage the PSW-3200 blades \u2014 the blades contact small aggregate regularly during normal highland tillage operations and are manufactured from hardened steel to tolerate this contact. The PSW-3200 will occasionally impact slightly larger fragments (4\u20136 cm) that the CT-2100 did not collect \u2014 these are typically sufficient to make a metallic impact sound but not damage the blade. If the PSW-3200 encounters repeated heavy impacts from fragments above 8\u201310 cm, stop and manually remove those specific stones before continuing \u2014 indicating that the preceding THOR + CT-2100 clearance was incomplete at those locations.<\/p>\n<\/details>\n<details style=\"border-bottom: 1px solid #e5e5e5; padding: 16px 0;\">\n<summary style=\"font-weight: bold; color: #1a1a1a; cursor: pointer; font-size: clamp(14px,1.6vw+8px,16px);\">What is the difference between 3.0 m and 3.6 m working width \u2014 how do I choose?<\/summary>\n<p style=\"margin: 12px 0 0 0; color: #555;\">The choice between 3.0 m and 3.6 m working width depends on the relationship between the PSW-3200&#8217;s pass width and the row configuration of the subsequent furrower and planting system. For Korean highland operations using 3-row furrowers at 70\u201380 cm row spacing (total working width 2.1\u20132.4 m per furrower pass), the PSW-3200 at 3.0 m covers 1.25 furrower passes per rotavator pass \u2014 a workable ratio where the rotavator occasionally overlaps slightly at row ends. For 5-row furrowers at 70 cm row spacing (3.5 m total), the PSW-3200 at 3.6 m is the appropriate match \u2014 one PSW-3200 pass covers one 5-row furrower pass width. Confirm your furrower working width before specifying the PSW-3200 working width to Korea Watanabe. Width mismatches create either over-tilled strips (wasted fuel and time) or un-tilled strips (poor seedbed in those zones).<\/p>\n<\/details>\n<details style=\"border-bottom: 1px solid #e5e5e5; padding: 16px 0;\">\n<summary style=\"font-weight: bold; color: #1a1a1a; cursor: pointer; font-size: clamp(14px,1.6vw+8px,16px);\">How often should PSW-3200 blades be replaced?<\/summary>\n<p style=\"margin: 12px 0 0 0; color: #555;\">PSW-3200 blade life on Korean highland granite soils is typically 80\u2013150 operating hours before replacement is needed \u2014 varying by soil stone content, tillage depth, and working speed. The replacement indicator is blade shortening from the free edge: when the blade has worn to 60% or less of its new length, fragmentation quality declines measurably. Inspect blades at the end of each season (annual minimum) and mid-season on farms with high annual operating hours. Replace all blades in a rotor section simultaneously \u2014 mixing new and worn blades in one section creates uneven fragmentation. A pre-season February blade inspection, with replacement of worn blades before the March\u2013April spring tillage season, ensures the PSW-3200 enters the critical seedbed preparation period at full performance.<\/p>\n<\/details>\n<details style=\"border-bottom: 1px solid #e5e5e5; padding: 16px 0;\">\n<summary style=\"font-weight: bold; color: #1a1a1a; cursor: pointer; font-size: clamp(14px,1.6vw+8px,16px);\">Does the PSW-3200 create a tillage pan (compaction layer) at the tillage depth?<\/summary>\n<p style=\"margin: 12px 0 0 0; color: #555;\">All rotary tillage equipment creates some degree of compaction at the lower boundary of the tillage zone \u2014 the blade path passes repeatedly at the same depth, and tractor wheel traffic on the un-tilled soil at the field surface compounds this effect. On Korean highland granite soils, the risk of a significant PSW-3200 pan is manageable through two practices: (1) vary the tillage depth by \u00b13 cm between seasons \u2014 consistently tilling at exactly 25 cm creates a more distinct pan than alternating between 22 cm and 28 cm in successive seasons; (2) avoid PSW-3200 operation when soil is too wet (see soil moisture section above) \u2014 wet-soil compaction at tillage depth is the primary cause of persistent pan formation.<\/p>\n<\/details>\n<details style=\"padding: 16px 0;\">\n<summary style=\"font-weight: bold; color: #1a1a1a; cursor: pointer; font-size: clamp(14px,1.6vw+8px,16px);\">Is the PSW-3200 eligible for Korean agricultural machinery subsidies?<\/summary>\n<p style=\"margin: 12px 0 0 0; color: #555;\">Yes \u2014 the PSW-3200 rotavator qualifies under the Korean agricultural machinery purchase support program in the tillage machinery category. Korea Watanabe holds the Korean agricultural machinery certification for the PSW-3200 and provides full subsidy documentation at no charge. Both the Standard and Model B versions are eligible. For farms purchasing the PSW-3200 as part of a complete highland system (THOR 2.4, CT-2100, PSW-3200, and potato machinery), Korea Watanabe assists in structuring the multi-machine subsidy application to maximise annual subsidy access across all machines. Contact Korea Watanabe in January to prepare documentation for the earliest subsidy application window before the spring season.<\/p>\n<\/details>\n<\/div>\n<p><!-- CTA --><\/p>\n<div style=\"background: linear-gradient(135deg,#1a1a1a 0%,#2e2e2e 100%); color: #fff; padding: 4%; border-radius: 6px; margin-top: 56px; text-align: center; box-sizing: border-box;\">\n<p style=\"font-size: clamp(17px,2.3vw+9px,26px); font-weight: bold; margin: 0 0 12px 0; color: #f07c00;\">PSW-3200 Standard or Model B \u2014 Confirm for Your Crop and Calendar<\/p>\n<p style=\"margin: 0 0 10px 0; color: #ccc; font-size: clamp(13px,1.4vw+8px,15px);\">Main crop + field area (ha) + working width of existing furrower + spring calendar pressure \u2192 PSW-3200 Standard or Model B recommendation with width and PTO speed configuration. Korea Watanabe, Ansan-si, Gyeonggi-do.<\/p>\n<p><a style=\"display: inline-block; background: #f07c00; color: #fff; padding: 13px 40px; border-radius: 4px; text-decoration: none; font-weight: bold; font-size: clamp(13px,1.5vw+9px,16px); letter-spacing: .02em; margin-top: 8px;\" href=\"https:\/\/rock-crusher-tractor.com\/hi\/contact-us\/\">\u0939\u092e\u0938\u0947 \u0905\u092d\u0940 \u0938\u0902\u092a\u0930\u094d\u0915 \u0915\u0930\u0947\u0902<\/a><\/p>\n<\/div>\n<p>\u0938\u0902\u092a\u093e\u0926\u0915: \u0938\u0940\u090f\u0915\u094d\u0938\u090f\u092e<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>PSW-3200 Rotavator Complete Guide \u2014 Heavy-Duty Primary Tillage for Korean Highland Potato, Radish, and Vegetable Farms The PSW-3200 is not just a rotavator \u2014 it is the machine that determines seedbed quality for every crop in the highland system. Set it up correctly for each crop and each soil condition, and everything from stone clearance [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[31],"tags":[],"class_list":["post-679","post","type-post","status-publish","format-standard","hentry","category-application-and-technical-guid"],"_links":{"self":[{"href":"https:\/\/rock-crusher-tractor.com\/hi\/wp-json\/wp\/v2\/posts\/679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rock-crusher-tractor.com\/hi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rock-crusher-tractor.com\/hi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rock-crusher-tractor.com\/hi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rock-crusher-tractor.com\/hi\/wp-json\/wp\/v2\/comments?post=679"}],"version-history":[{"count":3,"href":"https:\/\/rock-crusher-tractor.com\/hi\/wp-json\/wp\/v2\/posts\/679\/revisions"}],"predecessor-version":[{"id":682,"href":"https:\/\/rock-crusher-tractor.com\/hi\/wp-json\/wp\/v2\/posts\/679\/revisions\/682"}],"wp:attachment":[{"href":"https:\/\/rock-crusher-tractor.com\/hi\/wp-json\/wp\/v2\/media?parent=679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rock-crusher-tractor.com\/hi\/wp-json\/wp\/v2\/categories?post=679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rock-crusher-tractor.com\/hi\/wp-json\/wp\/v2\/tags?post=679"}],"curies":[{"name":"\u0921\u092c\u094d\u0932\u094d\u092f\u0942\u092a\u0940","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}