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“深松耕法”(少耕法)是我国黑龙江省从六十年代开始进行试验研究、改革机具、并付诸使用的一种新的土壤耕作方法。深松耕法是在“三五耕法”和“立体耕法”的基础上形成和发展起来的。三五耕法是1973年黑龙江省农机研究所科技人员在六十年代试验研究的基础上,与克东县农具研究所及该县群众相结合提出来的。其中的“三”指的是“三深”,即浅翻深松、轮沟深松和深中耕,“五”指的是“五保”:即保水、保土、保肥、保苗、保产。所以也叫“三深五保耕作
The “Sub-Tillage Law” (less tillage method) is a new method of soil cultivation in Heilongjiang Province that began in the 1960s for experimental research, reforming machinery and putting it into use. Deep plowing is formed and developed on the basis of the “Three Farming Practices” and the “Three-dimensional Farming Law.” Sangong Tillage was established in 1973 by the scientists and technicians of Heilongjiang Agricultural Machinery Research Institute in the 1960s and combined with the Kedong County Farm Tools Research Institute and the masses in this county. Among them, “three” refers to “three deep”, that is, shallow and deep loose, deep and loose trough furrow, “five” refers to the “five guarantees”: that is, water, soil conservation, Production. It is also called "three deep five Paul farming