{"id":858,"date":"2026-05-29T07:45:45","date_gmt":"2026-05-29T07:45:45","guid":{"rendered":"https:\/\/rock-crusher-tractor.com\/?p=858"},"modified":"2026-05-29T07:45:45","modified_gmt":"2026-05-29T07:45:45","slug":"soil-reclamation-stone-clearing-organic-matter-guide","status":"publish","type":"post","link":"https:\/\/rock-crusher-tractor.com\/nl\/soil-reclamation-stone-clearing-organic-matter-guide\/","title":{"rendered":"Bodemherstel na het verwijderen van stenen: OM-bouwhandleiding"},"content":{"rendered":"<div style=\"font-family: Georgia,'Times New Roman',serif; font-size: clamp(14px,2vw+10px,18px); color: #2c2c2c; line-height: 1.85; word-break: break-word; overflow-wrap: break-word; max-width: 100%; box-sizing: border-box;\">\n<p><!-- \u2550\u2550\u2550 HERO \u2550\u2550\u2550 --><\/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 45%; min-height: 490px; display: flex; align-items: center; padding: 60px 5%; margin-bottom: 52px; border-radius: 6px; overflow: hidden;\">\n<div style=\"position: absolute; inset: 0; background: linear-gradient(110deg,rgba(0,0,0,0.88) 0%,rgba(0,0,0,0.62) 55%,rgba(0,0,0,0.28) 100%);\"><\/div>\n<div style=\"position: relative; z-index: 1; max-width: 600px; color: #fff;\">\n<p style=\"font-size: clamp(11px,1vw+7px,12px); letter-spacing: .14em; text-transform: uppercase; color: #a8d8a8; margin: 0 0 12px 0; font-family: Arial,sans-serif; font-weight: bold;\">Soil Science \u00b7 Long-Term Farm Development<\/p>\n<h1 style=\"font-size: clamp(22px,3.5vw+10px,42px); font-weight: bold; color: #fff; line-height: 1.2; margin: 0 0 18px 0; text-shadow: 0 2px 8px rgba(0,0,0,0.5);\">Bodemherstel na het verwijderen van stenen: OM-bouwhandleiding<\/h1>\n<p style=\"font-size: clamp(14px,1.7vw+8px,17px); color: rgba(255,255,255,0.88); margin: 0 0 28px 0; line-height: 1.65;\">Korean highland granite soil starts at 0.5\u20131.2% organic matter. High-productivity highland farming requires 2.5\u20133.5%. The 10-year management programme to close this gap \u2014 starting from the cleared field \u2014 is the second investment every THOR 2.4 operator must make after the stone clearing itself.<\/p>\n<p><a style=\"display: inline-block; background: #f07c00; color: #fff; padding: 13px 36px; border-radius: 4px; text-decoration: none; font-weight: bold; font-size: clamp(13px,1.4vw+8px,15px); letter-spacing: .03em;\" href=\"#contact\">Soil Recovery Plan Consultation<\/a><\/p>\n<\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550 INTRO \u2550\u2550\u2550 --><\/p>\n<p>De <a style=\"color: #f07c00; text-decoration: none; font-weight: bold;\" href=\"https:\/\/rock-crusher-tractor.com\/nl\/product\/thor-2-4-rock-crusher-with-kit-drawbar-180-hp-stone-crusher-mulcher-for-tractor\/\">THOR 2.4 steenbreker<\/a>\u00a0produces a field that can be farmed to Grade 1 standard immediately. But &#8220;immediately farmable&#8221; is not the same as &#8220;fully productive.&#8221; A freshly cleared Korean highland field has the physical obstruction removed \u2014 the granite fragments no longer impede root development or damage harvest produce \u2014 but it remains, in most cases, a mineralogically young soil with very low biological activity and organic matter content. Building that biological fertility is the long-term work that determines whether the farm reaches its full commercial potential.<\/p>\n<p><strong>Soil reclamation after stone clearing<\/strong> is not a remediation programme \u2014 it is the normal trajectory of managed agricultural soil development on Korean highland granite terrain. Korean highland soils are young in geological terms, sitting on granite parent material that is low in pre-existing organic carbon. The organic matter present in a well-managed Korean highland farm today was built by decades of crop residue return, lime application, and biological activity \u2014 not inherited from the parent material. This guide provides the management framework for accelerating that build from the cleared-field starting point.<\/p>\n<p><!-- \u2550\u2550\u2550 SECTION 1: WHY KOREAN GRANITE SOIL STARTS LOW \u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(20px,2.6vw+10px,30px); color: #1a1a1a; border-left: 5px solid #2d5f2d; padding-left: 16px; margin: 52px 0 20px 0; line-height: 1.3;\">Why Korean Highland Granite Soil Starts at 0.5\u20131.2% Organic Matter<\/h2>\n<p><img decoding=\"async\" style=\"width: 100%; height: auto; display: block; border-radius: 6px; margin: 20px 0 28px 0;\" title=\"THOR 2.4 Clearance \u2014 Creating the Physical Conditions for Soil Reclamation\" 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 operating on Korean highland granite soil \u2014 the stone clearing that the THOR 2.4 performs creates the physical conditions for organic matter building, but the biological work of building OM from 0.8% to 3% begins after the machine leaves the field\" \/><\/p>\n<p>Organic matter content is the product of two competing processes: organic material inputs (crop residues, roots, manure, cover crops) and organic material decomposition (microbial breakdown, leaching, oxidation). In temperate lowland soils with a long agricultural history, the equilibrium between these processes produces organic matter levels of 3\u20136%. Korean highland granite soils reach a lower equilibrium for three specific reasons:<\/p>\n<div style=\"display: flex; flex-direction: column; gap: 8px; margin: 16px 0 28px 0; font-size: clamp(12px,1.3vw+8px,14px);\">\n<div style=\"display: flex; gap: 12px; background: #f8f8f8; padding: 12px 16px; border-radius: 6px; box-sizing: border-box;\">\n<div style=\"flex: 0 0 auto; font-size: clamp(18px,2vw+9px,24px); color: #2d5f2d; font-weight: bold; line-height: 1.1; min-width: 28px;\">\u2460<\/div>\n<div><strong>Granite parent material contributes minimal organic precursors.<\/strong> Unlike limestone-derived soils (which carry substantial calcium and magnesium that buffer acidity and support microbial communities), or sedimentary soils (which carry pre-deposited organic carbon from geological sources), Korean highland granodiorite is a crystalline igneous rock with essentially zero organic carbon content. Every gram of soil organic matter present in Korean highland soil was produced by biological processes since the topsoil formed \u2014 there is no geological inheritance. The starting point after clearing is therefore the biological activity level of the specific field, which on recently cleared land is typically very low.<\/div>\n<\/div>\n<div style=\"display: flex; gap: 12px; background: #fff; border: 1px solid #eee; padding: 12px 16px; border-radius: 6px; box-sizing: border-box;\">\n<div style=\"flex: 0 0 auto; font-size: clamp(18px,2vw+9px,24px); color: #2d5f2d; font-weight: bold; line-height: 1.1; min-width: 28px;\">\u2461<\/div>\n<div><strong>Short growing seasons limit annual organic input.<\/strong> At 600 m altitude with a 90\u2013110 day frost-free period, Korean highland soils receive crop residue input for approximately 4\u20135 months per year. At lowland altitudes with 200+ frost-free days, the same soil could receive 2\u00d7 the annual organic input from the same crop sequence. The restricted growing season means that reaching the same OM target takes approximately twice as long at 600 m altitude as it would in equivalent lowland conditions with equivalent management.<\/div>\n<\/div>\n<div style=\"display: flex; gap: 12px; background: #f8f8f8; padding: 12px 16px; border-radius: 6px; box-sizing: border-box;\">\n<div style=\"flex: 0 0 auto; font-size: clamp(18px,2vw+9px,24px); color: #2d5f2d; font-weight: bold; line-height: 1.1; min-width: 28px;\">\u2462<\/div>\n<div><strong>Stone-disrupted soil has low initial biological activity.<\/strong> The stone fragmentation and collection process disturbs the soil&#8217;s existing biological community. The physical disruption of the THOR 2.4 clearance temporarily reduces the earthworm population and mycorrhizal network in the cleared zone. This is an expected short-term cost of the clearing operation \u2014 biological activity recovers quickly once the soil has settled and organic inputs begin, typically within 1\u20132 growing seasons \u2014 but it means that the biological OM-building engines are temporarily reduced at the starting point.<\/div>\n<\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550 SECTION 2: THREE ORGANIC MATTER PATHWAYS \u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(20px,2.6vw+10px,30px); color: #1a1a1a; border-left: 5px solid #2d5f2d; padding-left: 16px; margin: 52px 0 20px 0; line-height: 1.3;\">Three Organic Matter Pathways That Work on Korean Highland Granite<\/h2>\n<p>Not all organic matter management strategies are equally effective on Korean highland granite soil. Three pathways consistently produce measurable OM increases in the Korean highland context, and they work synergistically when combined:<\/p>\n<p><!-- OM input comparison table --><\/p>\n<div style=\"overflow-x: auto; margin: 16px 0 28px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; font-size: clamp(11px,1.2vw+7px,14px); min-width: 500px;\">\n<thead>\n<tr style=\"background: #1a1a1a; color: #fff;\">\n<th style=\"padding: 10px 14px; text-align: left; border-right: 1px solid #333;\">Organic input source<\/th>\n<th style=\"padding: 10px 14px; text-align: center; border-right: 1px solid #333;\">OM added to soil (Kg\/ha dry matter)<\/th>\n<th style=\"padding: 10px 14px; text-align: center; border-right: 1px solid #333;\">C:N ratio<\/th>\n<th style=\"padding: 10px 14px; text-align: center; border-right: 1px solid #333;\">Net OM% increase \/ year<\/th>\n<th style=\"padding: 10px 14px; text-align: left;\">Key notes<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #f0fff0;\">\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; font-weight: bold; color: #2d5f2d;\">Red clover green manure (incorporated)<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; text-align: center; font-weight: bold; color: #2d5f2d;\">3,000\u20135,000<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; text-align: center;\">12:1\u201318:1<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; text-align: center; font-weight: bold; color: #2d5f2d;\">+0.15\u20130.25%<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee;\">Low C:N = fast decomposition, rapid N release. Also fixes 80\u2013150 Kg N\/ha from atmosphere \u2014 equivalent to 160\u2013300 Kg urea\/ha at cost<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; font-weight: bold;\">Potato haulm (incorporated)<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; text-align: center;\">1,200\u20132,000<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; text-align: center;\">20:1\u201325:1<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; text-align: center;\">+0.05\u20130.10%<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee;\">Only from variety without late blight. Vine destruction timing determines incorporation eligibility. Do not incorporate blight-infected haulm.<\/td>\n<\/tr>\n<tr style=\"background: #f8f8f8;\">\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; font-weight: bold;\">Cereal straw (winter rye, autumn sown)<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; text-align: center;\">3,500\u20135,500<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; text-align: center;\">60:1\u201380:1<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; text-align: center;\">+0.10\u20130.18%<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; color: #c86000;\">High C:N = slow decomposition, nitrogen immobilisation risk. Add 20 Kg N\/ha extra at incorporation to prevent crop nitrogen deficiency.<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; font-weight: bold;\">Composted livestock manure<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; text-align: center;\">2,000\u20134,000 per 10 t application<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; text-align: center;\">15:1\u201320:1<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee; text-align: center;\">+0.12\u20130.20%<\/td>\n<td style=\"padding: 9px 14px; border-bottom: 1px solid #eee;\">Most effective OM builder but availability is limited on livestock-free highland farms. Application rate limit: confirm with RDA for GAP compliance.<\/td>\n<\/tr>\n<tr style=\"background: #f8f8f8;\">\n<td style=\"padding: 9px 14px;\">Radish\/cabbage residue (incorporated)<\/td>\n<td style=\"padding: 9px 14px; text-align: center;\">800\u20131,500<\/td>\n<td style=\"padding: 9px 14px; text-align: center;\">10:1\u201315:1<\/td>\n<td style=\"padding: 9px 14px; text-align: center;\">+0.03\u20130.07%<\/td>\n<td style=\"padding: 9px 14px;\">Modest OM contribution but excellent for maintaining soil structure and microbial diversity within the rotation. Include in rotation but do not rely on alone.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"color: #888; font-size: clamp(11px,1vw+7px,13px);\">OM% increase figures are representative annual estimates for Korean highland conditions at 600 m altitude, moderate temperature, and well-drained granite soil. Actual increases depend on soil temperature, moisture, existing biological activity, and tillage management. Source: Korea Rural Development Administration (RDA) soil management guidance and Korea Watanabe field observation data.<\/p>\n<p><!-- \u2550\u2550\u2550 SECTION 3: HOW STONE CLEARING ENABLES OM BUILDING \u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(20px,2.6vw+10px,30px); color: #1a1a1a; border-left: 5px solid #2d5f2d; padding-left: 16px; margin: 52px 0 20px 0; line-height: 1.3;\">How Stone Clearing Enables Organic Matter Building \u2014 Not the Same as Building OM Directly<\/h2>\n<p>It is important to be clear about what the THOR 2.4 stone clearing does and does not contribute to organic matter. The stone crushing and collection process does not directly add organic carbon to the soil \u2014 it removes material (stone) rather than adding organic material. What stone clearing provides is the physical and biological enablement for organic matter building to occur faster and more completely than on un-cleared ground:<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 12px; margin: 16px 0 28px 0; font-size: clamp(12px,1.3vw+8px,14px);\">\n<div style=\"flex: 1 1 200px; background: #fff; border: 1px solid #e0e0e0; border-top: 4px solid #2d5f2d; padding: 14px 16px; border-radius: 0 0 6px 6px; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #2d5f2d; margin: 0 0 8px 0;\">Deeper root penetration<\/p>\n<p style=\"margin: 0; color: #555;\">Stone-free soil allows cover crop roots to penetrate to 30\u201340 cm depth rather than 10\u201315 cm on stony ground. Root biomass at depth adds organic carbon to the sub-surface zone where it is most stable against surface oxidation. The PSW-3200 incorporates this deep root biomass during the tillage pass, distributing it through the cultivated profile.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; background: #fff; border: 1px solid #e0e0e0; border-top: 4px solid #2d5f2d; padding: 14px 16px; border-radius: 0 0 6px 6px; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #2d5f2d; margin: 0 0 8px 0;\">Uniform cover crop establishment<\/p>\n<p style=\"margin: 0; color: #555;\">Fine-tilth PSW-3200-prepared seed beds after THOR 2.4 clearing produce uniform germination and canopy closure for cover crops. A uniform dense red clover stand contributes 40\u201360% more biomass per hectare than a patchy stand on stony ground where seed placement and germination is disrupted by surface stones.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; background: #fff; border: 1px solid #e0e0e0; border-top: 4px solid #2d5f2d; padding: 14px 16px; border-radius: 0 0 6px 6px; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #2d5f2d; margin: 0 0 8px 0;\">Effective organic matter incorporation<\/p>\n<p style=\"margin: 0; color: #555;\">De <a style=\"color: #f07c00; text-decoration: none; font-weight: bold;\" href=\"https:\/\/rock-crusher-tractor.com\/nl\/product\/psw-3200-rotavator-heavy-duty-tractor-mounted-rotary-tiller-with-3-0-3-6-m-working-width\/\">PSW-3200 rotorkultivator<\/a>\u00a0can incorporate green manure and crop residue to 25 cm depth consistently on a stone-free field. On stony ground, the tines encounter stones at unpredictable depths, reducing incorporation uniformity and leaving unincorporated residue clumps that decompose slowly at the surface rather than building sub-surface OM.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; background: #fff; border: 1px solid #e0e0e0; border-top: 4px solid #2d5f2d; padding: 14px 16px; border-radius: 0 0 6px 6px; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #2d5f2d; margin: 0 0 8px 0;\">Earthworm recolonisation<\/p>\n<p style=\"margin: 0; color: #555;\">Earthworms \u2014 the primary mechanical OM-redistribution agents in Korean highland soil \u2014 cannot effectively colonise stone-dense soil because their burrowing is blocked by the stone matrix. After clearing, earthworm populations recover within 2\u20133 seasons and begin the deep incorporation of OM that is impossible to replicate with machinery alone. Each earthworm cast deposited at depth is a unit of stable, microbially-processed organic matter that persists in the soil profile for years.<\/p>\n<\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550 SECTION 4: THE 10-YEAR OM TRAJECTORY \u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(20px,2.6vw+10px,30px); color: #1a1a1a; border-left: 5px solid #2d5f2d; padding-left: 16px; margin: 52px 0 20px 0; line-height: 1.3;\">The 10-Year Organic Matter Trajectory \u2014 Managed vs Unmanaged Comparison<\/h2>\n<p><img decoding=\"async\" style=\"width: 100%; height: auto; display: block; border-radius: 6px; margin: 20px 0 28px 0;\" title=\"Developed Highland Soil \u2014 The 10-Year Organic Matter Building Outcome\" src=\"https:\/\/rock-crusher-tractor.com\/wp-content\/uploads\/2026\/05\/Potato-Harvest-Structure-1.webp\" alt=\"Korean highland potato growing in well-developed soil structure \u2014 this field's productive capacity was built over multiple years of managed organic matter addition through legume rotations, PSW-3200 incorporation, and cover crop management following the initial THOR 2.4 stone clearing\" \/><\/p>\n<p>The following trajectory represents a Korean highland granite field beginning at the standard 0.8% OM level for recently cleared highland land, under two management scenarios: active OM management (legume rotations, compost, residue incorporation) versus passive management (main crops only, minimal residue return).<\/p>\n<p><!-- OM progression bars --><\/p>\n<div style=\"background: #f7f7f7; border-radius: 8px; padding: 22px 26px; margin: 16px 0 24px 0; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #1a1a1a; margin: 0 0 18px 0; font-size: clamp(14px,1.5vw+8px,16px);\">Organic Matter % Progression \u2014 Active vs Passive Management<\/p>\n<div style=\"display: flex; flex-direction: column; gap: 12px; font-size: clamp(12px,1.3vw+8px,14px);\">\n<p><!-- Year 0 --><\/p>\n<div>\n<div style=\"display: flex; justify-content: space-between; margin-bottom: 5px;\"><span style=\"font-weight: bold;\">Year 0 (after clearing)<\/span><span style=\"color: #888;\">Both: 0.8% \u2014 cleared granite baseline<\/span><\/div>\n<div style=\"background: #eee; border-radius: 4px; height: 20px; position: relative;\">\n<div style=\"width: 16%; background: #888; height: 100%; border-radius: 4px; display: flex; align-items: center; justify-content: flex-end; padding-right: 6px;\"><span style=\"color: #fff; font-size: 10px; font-weight: bold;\">0.8%<\/span><\/div>\n<\/div>\n<\/div>\n<p><!-- Year 3 --><\/p>\n<div>\n<div style=\"display: flex; justify-content: space-between; margin-bottom: 5px;\"><span style=\"font-weight: bold;\">Jaar 3<\/span><\/div>\n<div style=\"margin-bottom: 4px;\">\n<div style=\"display: flex; align-items: center; gap: 8px; margin-bottom: 3px;\">\n<p><span style=\"font-size: 11px; color: #2d5f2d; min-width: 120px;\">Active management<\/span><\/p>\n<div style=\"flex: 1; background: #eee; border-radius: 4px; height: 18px;\">\n<div style=\"width: 28%; background: #2d5f2d; height: 100%; border-radius: 4px; display: flex; align-items: center; justify-content: flex-end; padding-right: 6px;\"><span style=\"color: #fff; font-size: 10px; font-weight: bold;\">1.4%<\/span><\/div>\n<\/div>\n<\/div>\n<div style=\"display: flex; align-items: center; gap: 8px;\">\n<p><span style=\"font-size: 11px; color: #888; min-width: 120px;\">Passive management<\/span><\/p>\n<div style=\"flex: 1; background: #eee; border-radius: 4px; height: 18px;\">\n<div style=\"width: 22%; background: #aaa; height: 100%; border-radius: 4px; display: flex; align-items: center; justify-content: flex-end; padding-right: 6px;\"><span style=\"color: #fff; font-size: 10px; font-weight: bold;\">1.1%<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><!-- Year 5 --><\/p>\n<div>\n<div style=\"display: flex; justify-content: space-between; margin-bottom: 5px;\"><span style=\"font-weight: bold;\">Jaar 5<\/span><\/div>\n<div style=\"margin-bottom: 4px;\">\n<div style=\"display: flex; align-items: center; gap: 8px; margin-bottom: 3px;\">\n<p><span style=\"font-size: 11px; color: #2d5f2d; min-width: 120px;\">Active management<\/span><\/p>\n<div style=\"flex: 1; background: #eee; border-radius: 4px; height: 18px;\">\n<div style=\"width: 38%; background: #2d5f2d; height: 100%; border-radius: 4px; display: flex; align-items: center; justify-content: flex-end; padding-right: 6px;\"><span style=\"color: #fff; font-size: 10px; font-weight: bold;\">1.9%<\/span><\/div>\n<\/div>\n<\/div>\n<div style=\"display: flex; align-items: center; gap: 8px;\">\n<p><span style=\"font-size: 11px; color: #888; min-width: 120px;\">Passive management<\/span><\/p>\n<div style=\"flex: 1; background: #eee; border-radius: 4px; height: 18px;\">\n<div style=\"width: 25%; background: #aaa; height: 100%; border-radius: 4px; display: flex; align-items: center; justify-content: flex-end; padding-right: 6px;\"><span style=\"color: #fff; font-size: 10px; font-weight: bold;\">1.3%<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><!-- Year 7 --><\/p>\n<div>\n<div style=\"display: flex; justify-content: space-between; margin-bottom: 5px;\"><span style=\"font-weight: bold;\">Year 7<\/span><\/div>\n<div style=\"margin-bottom: 4px;\">\n<div style=\"display: flex; align-items: center; gap: 8px; margin-bottom: 3px;\">\n<p><span style=\"font-size: 11px; color: #2d5f2d; min-width: 120px;\">Active management<\/span><\/p>\n<div style=\"flex: 1; background: #eee; border-radius: 4px; height: 18px;\">\n<div style=\"width: 50%; background: #2d5f2d; height: 100%; border-radius: 4px; display: flex; align-items: center; justify-content: flex-end; padding-right: 6px;\"><span style=\"color: #fff; font-size: 10px; font-weight: bold;\">2.5%<\/span><\/div>\n<\/div>\n<\/div>\n<div style=\"display: flex; align-items: center; gap: 8px;\">\n<p><span style=\"font-size: 11px; color: #888; min-width: 120px;\">Passive management<\/span><\/p>\n<div style=\"flex: 1; background: #eee; border-radius: 4px; height: 18px;\">\n<div style=\"width: 30%; background: #aaa; height: 100%; border-radius: 4px; display: flex; align-items: center; justify-content: flex-end; padding-right: 6px;\"><span style=\"color: #fff; font-size: 10px; font-weight: bold;\">1.5%<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><!-- Year 10 --><\/p>\n<div>\n<div style=\"display: flex; justify-content: space-between; margin-bottom: 5px;\"><span style=\"font-weight: bold;\">Year 10<\/span><\/div>\n<div style=\"margin-bottom: 4px;\">\n<div style=\"display: flex; align-items: center; gap: 8px; margin-bottom: 3px;\">\n<p><span style=\"font-size: 11px; color: #2d5f2d; min-width: 120px;\">Active management<\/span><\/p>\n<div style=\"flex: 1; background: #eee; border-radius: 4px; height: 20px;\">\n<div style=\"width: 63%; background: #2d5f2d; height: 100%; border-radius: 4px; display: flex; align-items: center; justify-content: flex-end; padding-right: 6px;\"><span style=\"color: #fff; font-size: 10px; font-weight: bold;\">3.1% \u2713 TARGET<\/span><\/div>\n<\/div>\n<\/div>\n<div style=\"display: flex; align-items: center; gap: 8px;\">\n<p><span style=\"font-size: 11px; color: #888; min-width: 120px;\">Passive management<\/span><\/p>\n<div style=\"flex: 1; background: #eee; border-radius: 4px; height: 20px;\">\n<div style=\"width: 34%; background: #aaa; height: 100%; border-radius: 4px; display: flex; align-items: center; justify-content: flex-end; padding-right: 6px;\"><span style=\"color: #fff; font-size: 10px; font-weight: bold;\">1.7%<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p style=\"margin: 14px 0 0 0; color: #888; font-size: 11px;\">Projections are indicative based on Korean highland RDA soil management data and Korea Watanabe field observations. Individual field results vary with altitude, rainfall, temperature, and management intensity.<\/p>\n<\/div>\n<p>The gap between active and passive management widens each year, reaching nearly 2\u00d7 difference in OM% by Year 10. This difference translates directly to agricultural productivity: at 3.1% OM, Korean highland potato fields hold 35\u201340% more plant-available water per cm of rain than at 1.7% OM, require 20\u201325% less mineral nitrogen fertiliser for equivalent yield targets, and support mycorrhizal communities that significantly improve nutrient uptake efficiency \u2014 particularly for phosphorus on the naturally low-phosphorus Korean granite soil.<\/p>\n<p><!-- \u2550\u2550\u2550 SECTION 5: THE LEGUME YEAR PROTOCOL \u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(20px,2.6vw+10px,30px); color: #1a1a1a; border-left: 5px solid #2d5f2d; padding-left: 16px; margin: 52px 0 20px 0; line-height: 1.3;\">The Legume Year Protocol \u2014 The Most Cost-Effective OM Building Investment<\/h2>\n<p>Of all the organic matter building practices available to Korean highland farms, the dedicated legume cover crop year \u2014 where one of the rotation positions is given over entirely to red clover or a legume mix without a cash crop \u2014 consistently delivers the highest OM addition at the lowest cost, because the nitrogen fixation effectively subsidises the nutrient cost of the organic matter being built.<\/p>\n<div style=\"display: flex; flex-direction: column; gap: 0; border: 1px solid #e0e0e0; border-radius: 8px; overflow: hidden; margin: 16px 0 28px 0; font-size: clamp(12px,1.3vw+8px,14px);\">\n<div style=\"background: #1a1a1a; color: #f5a623; font-weight: bold; padding: 10px 18px; font-size: clamp(13px,1.4vw+8px,15px);\">Legume Year Calendar \u2014 Korean Highland 600m (red clover primary)<\/div>\n<div style=\"display: flex; flex-wrap: wrap; background: #f8f8f8; padding: 10px 18px; border-bottom: 1px solid #eee; gap: 10px; align-items: flex-start;\">\n<div style=\"flex: 0 0 auto; background: #2d5f2d; color: #fff; padding: 2px 12px; border-radius: 20px; font-size: 11px; font-weight: bold; white-space: nowrap;\">August\u2013September (Year N)<\/div>\n<p style=\"flex: 1 1 200px; margin: 0; color: #555;\">After main crop harvest, sow red clover at 15\u201320 Kg seed\/ha into the PSW-3200-prepared fine-tilth surface. Early sowing allows root establishment before the first frost. Red clover overwinters as a basal rosette at 600 m altitude and resumes rapid growth in April\u2013May of the following year.<\/p>\n<\/div>\n<div style=\"display: flex; flex-wrap: wrap; background: #fff; padding: 10px 18px; border-bottom: 1px solid #eee; gap: 10px; align-items: flex-start;\">\n<div style=\"flex: 0 0 auto; background: #2d5f2d; color: #fff; padding: 2px 12px; border-radius: 20px; font-size: 11px; font-weight: bold; white-space: nowrap;\">April\u2013June (Year N+1)<\/div>\n<p style=\"flex: 1 1 200px; margin: 0; color: #555;\">Red clover rapid growth phase. Stand height reaches 40\u201360 cm by late June. Biomass at this stage: 3,500\u20135,000 Kg dry matter\/ha above ground + equivalent below-ground root mass. Nitrogen fixation: 80\u2013150 Kg N\/ha is accumulating in the plant tissue and soil nodules. Do not cut before incorporation \u2014 maximum OM is delivered when the stand is incorporated at full vegetative growth, not after flowering.<\/p>\n<\/div>\n<div style=\"display: flex; flex-wrap: wrap; background: #f0fff0; padding: 10px 18px; border-bottom: 1px solid #c0e0c0; gap: 10px; align-items: flex-start; border-top: 1px solid #c0e0c0;\">\n<div style=\"flex: 0 0 auto; background: #1565c0; color: #fff; padding: 2px 12px; border-radius: 20px; font-size: 11px; font-weight: bold; white-space: nowrap;\">Late June (Year N+1)<\/div>\n<p style=\"flex: 1 1 200px; margin: 0; color: #555;\"><strong>PSW-3200 incorporation pass at 20\u201325 cm depth.<\/strong> Incorporate the standing red clover with a full PSW-3200 pass at operating depth. The fine tines of the PSW-3200 shred the green material and mix it uniformly through the soil profile. Apply 20 Kg N\/ha as mineral nitrogen at incorporation \u2014 this prevents the brief nitrogen immobilisation that occurs when high-C:N freshly cut green material is added to the soil (it competes with the soil microbes for available nitrogen during the initial breakdown phase).<\/p>\n<\/div>\n<div style=\"display: flex; flex-wrap: wrap; background: #f8f8f8; padding: 10px 18px; gap: 10px; align-items: flex-start;\">\n<div style=\"flex: 0 0 auto; background: #f07c00; color: #fff; padding: 2px 12px; border-radius: 20px; font-size: 11px; font-weight: bold; white-space: nowrap;\">July\u2013August (Year N+1)<\/div>\n<p style=\"flex: 1 1 200px; margin: 0; color: #555;\">2\u20134 weeks after incorporation, the green manure is in active decomposition. By late July (3\u20134 weeks post-incorporation at Korean highland summer temperatures of 20\u201325\u00b0C in the soil), the incorporated material has broken down sufficiently to prepare the seedbed for the next rotation crop. The nitrogen released from the green manure (70\u2013120 Kg N\/ha equivalent) is now available to the following crop \u2014 significantly reducing mineral nitrogen fertiliser requirements in Year N+1.<\/p>\n<\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550 SECTION 6: C:N RATIO AND INCORPORATION TIMING \u2550\u2550\u2550 --><br \/>\n<img decoding=\"async\" style=\"width: 100%; height: auto; display: block; border-radius: 6px; margin: 20px 0 28px 0;\" title=\"10-Year OM Building Outcome \u2014 Harvest Quality on Well-Developed Korean Highland Soil\" src=\"https:\/\/rock-crusher-tractor.com\/wp-content\/uploads\/2026\/05\/Potato-Harvest-1.webp\" alt=\"Korean highland potato harvest on high organic matter soil \u2014 the yield improvement, Grade 1 proportion, and cold storage quality that make the 10-year soil reclamation investment worthwhile are all visible at harvest time on a field that has been properly managed since stone clearing\" \/><\/p>\n<h2 style=\"font-size: clamp(20px,2.6vw+10px,30px); color: #1a1a1a; border-left: 5px solid #2d5f2d; padding-left: 16px; margin: 52px 0 20px 0; line-height: 1.3;\">The C:N Ratio \u2014 Why Timing of PSW-3200 Incorporation Matters<\/h2>\n<p><img decoding=\"async\" style=\"width: 100%; height: auto; display: block; border-radius: 6px; margin: 20px 0 28px 0;\" title=\"Clean Soil for OM Building \u2014 The CT-2100's Role in Enabling Efficient Organic Matter Decomposition\" src=\"https:\/\/rock-crusher-tractor.com\/wp-content\/uploads\/2025\/11\/CT-2100-Rock-Picker-application-1.webp\" alt=\"Stone-cleared Korean highland field \u2014 the CT-2100's role in removing stone fragments ensures that organic matter incorporated by the PSW-3200 is not competing for biological decomposition space with granite fragment material; clean soil allows the microbial community to process incorporated green manure efficiently\" \/><\/p>\n<p>The carbon-to-nitrogen (C:N) ratio of incorporated organic material determines how quickly it decomposes in the soil and whether it temporarily locks up available nitrogen (nitrogen immobilisation) or releases it (nitrogen mineralisation). This distinction has practical consequences for crop management on Korean highland farms:<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 16px 0 28px 0; font-size: clamp(12px,1.3vw+8px,14px);\">\n<div style=\"flex: 1 1 220px; background: #f0fff0; border: 1px solid #c0d8c0; border-radius: 6px; padding: 14px 16px; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #2d5f2d; margin: 0 0 8px 0;\">Low C:N (below 20:1) \u2014 green material, legumes<\/p>\n<p style=\"margin: 0; color: #555;\">Soil microbes decompose the material rapidly because there is more nitrogen than they need \u2014 the excess nitrogen is released to the soil as plant-available ammonium and nitrate. Net effect: nitrogen is released to the next crop. The incorporated green material is broken down to humus within 3\u20136 weeks at Korean highland summer temperatures. <strong>Incorporation timing:<\/strong> these materials can be incorporated and cropped 3\u20134 weeks later without risk of nitrogen deficiency.<\/p>\n<\/div>\n<div style=\"flex: 1 1 220px; background: #fff9f0; border: 1px solid #f5d0a0; border-radius: 6px; padding: 14px 16px; box-sizing: border-box;\">\n<p style=\"font-weight: bold; color: #c86000; margin: 0 0 8px 0;\">High C:N (above 30:1) \u2014 cereal straw, mature stems<\/p>\n<p style=\"margin: 0; color: #555;\">Microbes decompose the material more slowly, but they require nitrogen to do so \u2014 they extract it from the soil&#8217;s available nitrogen pool during the active decomposition phase. Net effect: temporary nitrogen deficit for any crop planted during the decomposition phase. <strong>Incorporation timing:<\/strong> incorporate cereal straw and high-C:N residues 4\u20136 weeks before seeding, and add supplemental nitrogen (20\u201330 Kg N\/ha) at incorporation. Never incorporate high-C:N material immediately before or during the main crop establishment phase.<\/p>\n<\/div>\n<\/div>\n<p>Korean highland farmers who observe nitrogen deficiency symptoms on potato or radish after cover crop incorporation are typically experiencing this nitrogen immobilisation effect from incorrectly timed or un-supplemented cereal straw incorporation. The solution is not to stop incorporating straw \u2014 the OM contribution is valuable \u2014 but to manage the incorporation timing and the supplemental nitrogen application to prevent the immobilisation window from overlapping with crop establishment.<\/p>\n<p><!-- \u2550\u2550\u2550 SECTION 7: SOIL BIOLOGY RECOVERY TIMELINE \u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(20px,2.6vw+10px,30px); color: #1a1a1a; border-left: 5px solid #2d5f2d; padding-left: 16px; margin: 52px 0 20px 0; line-height: 1.3;\">Soil Biology Recovery \u2014 When to Expect Earthworms and Mycorrhizae to Return<\/h2>\n<p>The biological community in a Korean highland cleared field follows a predictable recovery sequence after clearing and the beginning of managed organic matter inputs. Monitoring the indicators of biological activity recovery is a practical way to confirm that the soil reclamation programme is on track:<\/p>\n<div style=\"display: flex; flex-direction: column; gap: 6px; margin: 16px 0 28px 0; font-size: clamp(12px,1.3vw+8px,14px);\">\n<div style=\"display: flex; gap: 12px; background: #f8f8f8; padding: 10px 16px; border-radius: 4px; box-sizing: border-box;\"><span style=\"color: #2d5f2d; font-weight: bold; flex-shrink: 0; min-width: 80px;\">Year 1\u20132:<\/span><br \/>\nBacterial populations recover first \u2014 within months of the first organic input. Visible as improved soil crumbliness and reduction of the hard-crusted surface that characterises freshly cleared granite soil. Earthworm sightings become occasional during tillage passes.<\/div>\n<div style=\"display: flex; gap: 12px; background: #f0fff0; padding: 10px 16px; border-radius: 4px; border: 1px solid #c0e0c0; box-sizing: border-box;\"><span style=\"color: #2d5f2d; font-weight: bold; flex-shrink: 0; min-width: 80px;\">Year 3\u20134:<\/span><br \/>\nEarthworm populations reach viable density \u2014 first confirmed count of 5\u201310 earthworms per 0.25 m\u00b2 soil core sample (30 cm depth) indicates functional biological community. Mycorrhizal networks become active in the rhizosphere. Cover crop biomass increases noticeably as the mycorrhizal phosphorus supply supplements mineral fertiliser.<\/div>\n<div style=\"display: flex; gap: 12px; background: #f0fff0; padding: 10px 16px; border-radius: 4px; border: 1px solid #c0e0c0; box-sizing: border-box;\"><span style=\"color: #2d5f2d; font-weight: bold; flex-shrink: 0; min-width: 80px;\">Year 5\u20137:<\/span><br \/>\nEarthworm count reaches 15\u201325 per 0.25 m\u00b2 \u2014 the functional threshold for significant biological tillage contribution. Visible aggregation begins to develop: the soil no longer requires a full PSW-3200 pass every year to maintain friable structure. Mineral fertiliser requirements begin to reduce measurably versus the Year 1 baseline at equivalent yield targets.<\/div>\n<div style=\"display: flex; gap: 12px; background: #f0fff0; padding: 10px 16px; border-radius: 4px; border: 2px solid #2d5f2d; box-sizing: border-box;\"><span style=\"color: #2d5f2d; font-weight: bold; flex-shrink: 0; min-width: 80px;\">Year 10+:<\/span><br \/>\n<span style=\"font-weight: bold; color: #2d5f2d;\">A well-managed Korean highland field at this stage has earthworm counts of 30\u201350 per 0.25 m\u00b2, visible soil aggregation, consistently measurable OM above 2.5%, and fertiliser requirements 15\u201325% below Year 1 baselines. The soil has been transformed from a cleared granite substrate into a productive agricultural soil that compounds its productivity improvements with each additional year of managed inputs.<\/span><\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550 FAQ \u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(20px,2.6vw+10px,30px); color: #1a1a1a; border-left: 5px solid #2d5f2d; padding-left: 16px; margin: 52px 0 20px 0; line-height: 1.3;\">Veelgestelde vragen<\/h2>\n<div style=\"display: flex; flex-direction: column; gap: 0; font-size: clamp(13px,1.4vw+8px,15px);\">\n<details style=\"border-bottom: 1px solid #e5e5e5; padding: 16px 0;\">\n<summary style=\"font-weight: bold; color: #1a1a1a; cursor: pointer; line-height: 1.5;\">How do I improve soil after stone clearing in Year 1 without losing a production season?<\/summary>\n<p style=\"margin: 12px 0 0 0; color: #555; line-height: 1.8;\">Year 1 after clearing does not have to be a dedicated cover crop year \u2014 a cash crop can still be grown while building OM simultaneously. The most effective Year 1 combination for Korean highland potato farms is: sow the potato crop as normal in April\u2013May after clearing and PSW-3200 preparation, then undersow red clover at 8\u201310 Kg\/ha between the potato rows at the second hilling pass (June). The red clover establishes in the gaps between potato ridges under the haulm canopy and, after potato harvest in August, rapidly occupies the cleared field surface. By October, the red clover is established as a winter cover that overwinters and is incorporated the following spring before the next main crop. This approach adds one complete legume OM-building cycle without sacrificing Year 1 potato production.<\/p>\n<\/details>\n<details style=\"border-bottom: 1px solid #e5e5e5; padding: 16px 0;\">\n<summary style=\"font-weight: bold; color: #1a1a1a; cursor: pointer; line-height: 1.5;\">Does the THOR 2.4 stone clearing process itself affect the soil organic matter content?<\/summary>\n<p style=\"margin: 12px 0 0 0; color: #555; line-height: 1.8;\">The THOR 2.4 stone clearing process does not add organic matter to the soil \u2014 it removes stone material (which is inorganic). However, the clearing process does temporarily redistribute the existing soil organic matter through the profile as the rotor fragments and mixes the top 25\u201330 cm. This redistribution can dilute the surface OM concentration by mixing it with deeper, lower-OM subsoil. The net effect on total OM per hectare in the cleared profile is approximately neutral \u2014 the OM is redistributed, not lost. The more important effect is that the clearing removes the physical barrier (stone density) that was preventing cover crop roots from fully developing at depth, which enables faster OM accumulation in subsequent years. This is why the soil test immediately after clearing may show slightly lower OM% than before clearing (due to mixing dilution), but the 3-year trajectory on a managed cleared field outperforms an equivalent un-cleared field.<\/p>\n<\/details>\n<details style=\"border-bottom: 1px solid #eee; padding: 16px 0;\">\n<summary style=\"font-weight: bold; color: #1a1a1a; cursor: pointer; line-height: 1.5;\">What is the organic matter building timeline for Korean highland granite soil compared to lowland farms?<\/summary>\n<p style=\"margin: 12px 0 0 0; color: #555; line-height: 1.8;\">Building OM from 0.8% to 3.0% on Korean highland granite takes approximately 8\u201312 years with active management \u2014 roughly twice as long as equivalent management on Korean lowland alluvial soils would take. The reasons are primarily climatic: the shorter growing season (90\u2013110 frost-free days at 600 m vs 200+ days at lowland altitude) limits the number of annual organic input cycles, and the cooler soil temperatures slow microbial decomposition rates. The lower rate of OM building at highland altitude is offset by the greater stability of OM once built \u2014 at 600 m, the cooler, moist conditions favour OM preservation against the oxidative breakdown that is more rapid at lowland temperatures. Korean highland OM built over 10 years tends to be more stable and longer-lasting than equivalent OM built rapidly in warmer lowland conditions.<\/p>\n<\/details>\n<details style=\"border-bottom: 1px solid #eee; padding: 16px 0;\">\n<summary style=\"font-weight: bold; color: #1a1a1a; cursor: pointer; line-height: 1.5;\">Should I apply compost from an external source to accelerate organic matter building on a cleared field?<\/summary>\n<p style=\"margin: 12px 0 0 0; color: #555; line-height: 1.8;\">Yes, if available \u2014 composted livestock manure (from neighbouring livestock farms or municipal composting facilities) is the most rapid single-application OM input available to Korean highland farms that do not have their own livestock. An application of 10 t\/ha of well-composted manure (moisture approximately 40%, OM approximately 25% of dry weight) contributes approximately 1,500 Kg OM\/ha to the soil \u2014 equivalent to 2\u20133 years of red clover cover crop OM addition in a single application. The practical constraints are transport cost to Korean highland locations (many highland farms are 30\u201360 km from livestock operations), GAP certification compliance requirements for manure application records, and the risk of introducing weed seed populations through inadequately composted manure. Korea Watanabe recommends confirming that any external compost source is from a registered composting operation with documented temperature records (confirming adequate weed seed kill) before application on GAP-certified fields.<\/p>\n<\/details>\n<details style=\"padding: 16px 0;\">\n<summary style=\"font-weight: bold; color: #1a1a1a; cursor: pointer; line-height: 1.5;\">At what organic matter percentage does Korean highland potato production reach its maximum yield potential?<\/summary>\n<p style=\"margin: 12px 0 0 0; color: #555; line-height: 1.8;\">Korean highland <a style=\"color: #f07c00; text-decoration: none; font-weight: bold;\" href=\"https:\/\/rock-crusher-tractor.com\/nl\/product-category\/potato-machinery\/\">aardappelmachines<\/a> production reaches near-maximum yield potential at OM levels of 2.5\u20133.5%. Above 3.5%, the yield improvements from additional OM become marginal because other factors (nitrogen management, irrigation scheduling, variety selection, pest and disease management) become limiting before OM. Below 2.0% OM, yield potential is measurably constrained by reduced water-holding capacity, lower mycorrhizal phosphorus supply, and reduced nutrient mineralisation from the biological community. The practical target for Korean highland potato farms is 2.5\u20133.0% OM, reached within 8\u201310 years of active management after clearing \u2014 a realistic and achievable target that delivers the full commercial benefit of the stone clearing investment across the long-term farm development programme.<\/p>\n<\/details>\n<\/div>\n<p><!-- \u2550\u2550\u2550 CTA \u2550\u2550\u2550 --><\/p>\n<div style=\"background: linear-gradient(135deg,#1a1a1a 0%,#2d2d2d 100%); color: #fff; padding: 44px 5%; border-radius: 8px; margin-top: 60px; text-align: center; box-sizing: border-box;\">\n<p style=\"font-size: clamp(18px,2.4vw+9px,26px); font-weight: bold; margin: 0 0 12px 0; color: #f07c00;\">Soil Reclamation Plan \u2014 From Cleared Field to 3% OM<\/p>\n<p style=\"margin: 0 0 10px 0; color: #ccc; font-size: clamp(13px,1.3vw+8px,15px); max-width: 600px; margin-left: auto; margin-right: auto;\">Current OM% (from soil test) + clearing history + available cover crop options + rotation plan \u2192 10-year OM building schedule with legume year calendar, PSW-3200 incorporation protocol, and biological activity monitoring milestones. Korea Watanabe, Ansan-si, Gyeonggi-do.<\/p>\n<p><a style=\"display: inline-block; background: #f07c00; color: #fff; padding: 14px 44px; border-radius: 4px; text-decoration: none; font-weight: bold; font-size: clamp(13px,1.5vw+8px,16px); letter-spacing: .04em; box-shadow: 0 4px 16px rgba(0,0,0,0.35);\" href=\"https:\/\/rock-crusher-tractor.com\/nl\/contact-us\/\">Build My Soil Reclamation Plan<\/a><\/p>\n<\/div>\n<p>Redacteur: Cxm<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Soil Science \u00b7 Long-Term Farm Development Soil Reclamation After Stone Clearing: OM Building Guide Korean highland granite soil starts at 0.5\u20131.2% organic matter. High-productivity highland farming requires 2.5\u20133.5%. The 10-year management programme to close this gap \u2014 starting from the cleared field \u2014 is the second investment every THOR 2.4 operator must make after the [&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-858","post","type-post","status-publish","format-standard","hentry","category-application-and-technical-guid"],"_links":{"self":[{"href":"https:\/\/rock-crusher-tractor.com\/nl\/wp-json\/wp\/v2\/posts\/858","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rock-crusher-tractor.com\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rock-crusher-tractor.com\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rock-crusher-tractor.com\/nl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rock-crusher-tractor.com\/nl\/wp-json\/wp\/v2\/comments?post=858"}],"version-history":[{"count":1,"href":"https:\/\/rock-crusher-tractor.com\/nl\/wp-json\/wp\/v2\/posts\/858\/revisions"}],"predecessor-version":[{"id":860,"href":"https:\/\/rock-crusher-tractor.com\/nl\/wp-json\/wp\/v2\/posts\/858\/revisions\/860"}],"wp:attachment":[{"href":"https:\/\/rock-crusher-tractor.com\/nl\/wp-json\/wp\/v2\/media?parent=858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rock-crusher-tractor.com\/nl\/wp-json\/wp\/v2\/categories?post=858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rock-crusher-tractor.com\/nl\/wp-json\/wp\/v2\/tags?post=858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}