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几年来,广大群众在党的正确領导下,坚持奋发图强,自力更生的精神,摸索到了一些适于坡耕地的农业技术措施,其中有草木穉参加的草田轮作。但是这种輪作形式在目前还有一定的局限性,在人少地多的地区是适合的,在人多地少的地区由于种草的两年不能收粮,大面积的推广还有一定困难。为了更有效地控制坡面侵蝕,补充薄耕地的有机质与氮素肥料,并且不因种植绿肥而减少当年的粮食作物面积,从1964年起进行了坡耕地套种綠肥的試驗研究。
In the past few years, under the correct leadership of the party, the masses of the people have insisted on the spirit of being energetic and self-reliant and have found some agro-technical measures suitable for sloping land cultivation, among which there is a rotation of grassland in the grass field. However, this type of crop rotation still has some limitations at present, which is suitable for people with less land and less land. In the area where the population is small and the land is too small, grass can not be reared for two years and there is still some difficulty in popularizing large areas . In order to control the slope erosion more effectively and to supplement the organic matter and nitrogenous fertilizer in the thinly-cultivated land, and not to reduce the current year’s grain crop area due to the planting of green manure, a pilot study on intercropping green manure on sloping land was carried out since 1964.