Land reclamation technology includes surface humus soil stripping and piling, blocks the dregs dam. retaining dam, flood drainage guide, land leveling and backfilling of soil humus.
土地复垦技术措施包括表层腐殖质土的剥离与堆放、拦渣坝、挡土坝、导洪排水、土地平整与腐殖质土回填等；
Agricultural non-point pollution is formed by 4 processes of rainfall runoff, soil erosion, surface solution stripping and soil solution seepage.
农业非点源污染主要由降雨径流、土壤侵蚀、地表溶质溶出和土壤溶质渗漏4个过程形成。
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