{"id":619,"date":"2026-05-26T01:15:02","date_gmt":"2026-05-26T01:15:02","guid":{"rendered":"https:\/\/rock-crusher-tractor.com\/?p=619"},"modified":"2026-05-26T01:20:05","modified_gmt":"2026-05-26T01:20:05","slug":"korean-agricultural-land-development-stone-clearance-guide","status":"publish","type":"post","link":"https:\/\/rock-crusher-tractor.com\/ko\/korean-agricultural-land-development-stone-clearance-guide\/","title":{"rendered":"Korean Agricultural Land Development \u2014 Converting Marginal and Scrubland to Productive Farmland"},"content":{"rendered":"
\n

<\/p>\n

\n
<\/div>\n
\n

Korean Agricultural Land Development \u2014 Converting Marginal Land and Scrubland to Productive Farmland<\/h1>\n

Korea has hundreds of thousands of hectares of marginal, abandoned, and scrub-covered land that could be converted to productive agricultural use \u2014 but only with the right stone clearance sequence and compliance with Korean farmland law. Here is what the process actually involves.<\/p>\n

Discuss Land Development Equipment<\/a><\/p>\n<\/div>\n<\/div>\n

<\/p>\n

Korean agricultural land is under structural pressure. Farmland prices in active highland agricultural zones \u2014 Gangwon-do, North Gyeongsang, South Chungcheong \u2014 have risen significantly as Korean population movement urbanises the workforce and reduces the number of active farm families. At the same time, areas of marginal, abandoned, or forest-margin land \u2014 land that was once farmed or is capable of farming but has not been in active production \u2014 remain available at significantly lower prices than established farmland. Converting this marginal land to productive agricultural use is a route to farm expansion that Korean agricultural policy has historically supported through various land improvement and farmland restoration programs.<\/p>\n

Stone clearance is the central engineering challenge of Korean marginal land conversion. The same geological conditions that make Korean highland soils productive for potato and ginseng \u2014 granite-derived minerals, good drainage, cool temperatures \u2014 also mean that marginal and abandoned land in these zones contains embedded stones of a scale and density that no tillage machinery can handle without prior stone crushing. Understanding the three-phase clearance sequence, the machinery required at each phase, and how this connects to Korean farmland law and development support programs is the starting point for any Korean land development project.<\/p>\n

<\/p>\n

Types of Korean Marginal Land \u2014 What You Are Dealing With<\/h2>\n

\"THOR<\/p>\n

\n
\n

Type A \u2014 Abandoned Highland Farmland (\ud3d0\uacbd\uc9c0)<\/p>\n

Formerly cultivated fields that have been abandoned for 5\u201320+ years. Vegetation: grass, shrubs, and early-succession scrub. Stone condition: surface stones have re-emerged from frost-heave since last clearing; embedded stones from the original clearing period remain below the surface. The original agricultural topsoil structure remains largely intact beneath the vegetation layer.<\/p>\n

Stone clearance requirement:<\/strong> Medium. Vegetation mulching + stone crushing to 30 cm, CT-2100 collection. THOR 2.4 appropriate for most abandoned highland plots. Typical initial clearance: 3\u20135 days per hectare including crusher, picker, and initial rotavator pass.<\/p>\n<\/div>\n

\n

Type B \u2014 Forest Margin and Secondary Scrub (\uc0b0\ub9bc \uac00\uc7a5\uc790\ub9ac)<\/p>\n

Land at the interface between existing farmland and forested mountain zones \u2014 often areas that were cleared in the past but have been invaded by forest vegetation from the adjacent tree margin. Contains small trees (below 10\u201315 cm trunk diameter), woody scrub, root networks, and surface\/embedded stone. This is the most challenging category for standard stone crushers.<\/p>\n

Stone clearance requirement:<\/strong> Heavy. If stump density is low (scrub only), the THOR 2.4 handles vegetation mulching + stone crushing. If significant stumps (above 15 cm diameter) are present, the THOR FLM (CVT, forestry rotor) is required before the agricultural THOR pass. CT-2100 collection after crushing. Typical clearance: 5\u201310 days per hectare for dense scrub\/mixed stone conditions.<\/p>\n<\/div>\n

\n

Type C \u2014 New Highland Terrace Development (\uc2e0\uaddc \uac1c\uac04\uc9c0)<\/p>\n

Land that has never been cultivated \u2014 typically lower-elevation sections of mountain terrain being converted from rocky open land or light scrubland for the first time. Contains large embedded boulders (frequently above 40 cm diameter), surface rock of all sizes, and no established topsoil profile. This is the heaviest initial clearance requirement.<\/p>\n

Stone clearance requirement:<\/strong> Maximum. The \ud1a0\ub974 3.0 \uc554\uc11d \ubd84\uc1c4\uae30<\/a> (230 HP, 40 cm max stone) is preferred for initial clearance where stone sizes above 30 cm are common \u2014 the THOR 2.4’s 30 cm limit will be exceeded regularly on Type C land. CT-2100 collection. Initial clearance takes the most time and represents the highest machine-hour cost per hectare in the entire product range application scope.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

The Three-Phase Clearance Sequence \u2014 Initial, Secondary, and Annual Maintenance<\/h2>\n

\"THOR<\/p>\n

Phase 1 \u2014 Initial Clearance (Year 1)<\/h3>\n

The initial clearance is the most intensive and most expensive phase of the land development process. Its objective is to reduce all surface and near-surface stone to a size manageable by the CT-2100 rock picker (below 80 Kg per piece), remove all large vegetation material, and collect the crushed stone from the field surface. Phase 1 may require multiple crusher passes \u2014 a first pass at the coarsest setting to fracture large boulders, followed by a second pass at a finer setting to process the large crushed fragments further, followed by a CT-2100 collection pass.<\/p>\n

\n

Phase 1 Machinery:<\/p>\n