为了更进一步提高粮食单位面积产量,需要从多方面开辟肥源,增加大量的有机肥料,供应农作物充分生长和改良土壤,肥培地力,种植绿肥是增积有机肥源之一,并且可就地翻压和堆制施用,节省大量劳力运输。同时,更为了达到少种、高产、多收,实现党中央和毛主席提出的,要逐步实行“三三制”新的耕作制度,以一部分土地实行轮休种牧草肥田草等,又在中共中央关于肥料问题的指示第五项谈到:随着 In order to further increase grain yield per unit area, it is necessary to open up fertilizer sources from various aspects, increase large amounts of organic fertilizers, and supply crops to fully grow and improve the fertility of soils and fertilizers. Planting green manure is one of the organic fertilizer sources that increase organic matter, Pressure and heap system, saving a lot of labor and transportation. At the same time, in order to reach the goal of fewer species, more output and more revenue, the party Central Committee and Chairman Mao put forward the new tillage system of “three-three system” The fifth item on the issue of fertilizer mentions: With