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日本化学工业等出资实施水稻施肥省力方法,是将水稻生长所需的磷酸二氢铵、磷酸二氢钾从水口与灌溉水一起投入,而不采用机械散布法。省力施肥法有施肥均匀,劳动强度减轻等优点,适合大规模水田应用。已在日本新泻县等指导实施。
Japan Chemical Industry funded the implementation of rice fertilization and labor-saving methods is the need for rice growth of ammonium dihydrogen phosphate, potassium dihydrogen phosphate from the nozzle and irrigation water together, rather than using the mechanical dispersion method. Labor-saving fertilization method with uniform fertilization, labor-intensive advantages, suitable for large-scale paddy field applications. Has been implemented in Niigata Prefecture in Japan.