东北农学院经过9年努力,研究成功了稻田少耕轮耕技术,1986年10月在哈尔滨通过部级鉴定。此项耕作新技术可使稻田耕作费用降低百分之五十以上。与这项新技术配套的新式农机具,可以边深耕,边旋松表层土。使作业次数由过去5、6次减少到1次完成,耕后土地平整,而且第2、3年不必深松底土。这项新技术还可以使水稻增产百分之十以上。——编者 Northeast Agricultural College after nine years of hard work, the successful study of paddy field less tillage technology, in October 1986 in Harbin by ministerial identification. This farming new technology can reduce rice farming costs by more than 50%. With this new technology supporting new agricultural machinery, deep plowing, while loosening the top soil. So that the number of operations from the past 5,6 times reduced to 1 completed, cultivated land formation, and the first 2,3 years do not have to submerge the subsoil. This new technology can also increase rice yield by more than 10%. --editor