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草田轮作制是苏联土壤学家威廉斯创立的一种耕作制度。主要内容是:(1)实行多年生禾本科牧草、豆科牧草混播与大田作物轮换种植的草田轮作制。(2)实行正确的土壤耕作制,其中以浅耕灭茬与复式犁深耕相结合的土壤基本耕作为主要内容。(3)采用有机肥料与化学肥料相结合的施肥制度。(4)选用产量高和适于当地条件的优良品种及精选的种子。(5)在轮作区的四周及坡地、山谷、池塘及水库旁栽植防护林带,以保持水土,改变
Grassland rotation system is a farming system created by the Soviet soil scientist Williams. The main contents are: (1) The implementation of perennial grasses, legumes mixed crop rotation and rotation of field crops grassland rotation system. (2) The correct soil tillage system is implemented. The basic soil tillage combined with shallow tillage and double tillage is the main content. (3) the use of organic fertilizers and chemical fertilizers combined fertilization system. (4) Selection of high yield and suitable for local conditions, fine varieties and selection of seeds. (5) Planting shelterbelt around the rotation area and slope, valleys, ponds and reservoirs to maintain soil and water changes