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水稻机插侧深施肥是农垦总局重点推广的一项新技术,八五七农场2000年购进侧深施肥机314台,作业面积5733.3hm2,取得较好的经济效益。1基本情况八五七农场有种植多年的老水田2600hm2,由于长期种植水稻,稻田有机质含量降低,土质变差,速效养分减少。加
Deep fertilization of paddy rice is a new technology popularized by Land Reclamation Bureau. In August 1985, a total of 314 deep fertilization spreaders were purchased from 857 farms. The operating area is 5733.3hm2, which has achieved good economic benefits. 1 Basic conditions 857 farms have planted 2600 hm2 of paddy field for many years. Due to the long-term cultivation of paddy rice, the content of organic matter in paddy fields is reduced, the soil quality is deteriorated, and the available nutrient is reduced. plus