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水土保持耕作法(Conservation Tillage)既是种植法,又是种植以后保留至少百分之三十土壤表面作物残茬覆盖层的耕作法.这些方法包括免耕或间作、垄作、条耕.覆盖耕作、少耕和几乎不耕.最近,美国农业部承担的1983年农业生产费用调查(FPES)是1984年春天进行的,经过对全国11000多农民阶层的调查,在应用水土保持耕作法的措施方面,加深了对全国和许多地区的情况了解.包括诸如应用范围与位置、耕作、耕作范围、耕作坡度、使用权、采纳原因和接受政府援助等方面情况.
Conservation Tillage is both a cultivation method and a tillage method of preserving at least 30 percent of the soil surface crop stubble cover after planting, including no-tillage or intercropping, ridge cultivation, tillage, Recently, the USDA survey of farm production costs (FPES) conducted in 1983 was conducted in the spring of 1984. After surveying more than 11,000 peasant strata throughout the country, in applying the measures of soil and water conservation farming practices, Increased understanding of the situation across the country and in many regions includes aspects such as scope and location of application, farming, farming range, slope of farming, access rights, reasons for adoption, and receipt of government assistance.