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合理施水稻保花肥可增产10％～14％,特别对长势差的杂交稻、常规中稻,增产效果更佳。水稻保花肥的具体施用方法是: 1 施肥规律。对于生长健壮的杂交稻、常规中稻,应以磷、钾为主,适量施用氮肥;对于生长较旺的杂交稻,常规中稻,可适当少施或不施;对于徒长、叶色浓绿、出现氮肥过多症状的苗情,一般不宜施用保花肥。
Rational application of rice fertilization can increase the yield of 10% to 14%, especially for the growing hybrid rice, conventional rice, yield better. Rice flower fertilizer specific application method is: a fertilization law. For the growth of robust hybrid rice, conventional mid-season rice should be mainly phosphorus and potassium, appropriate amount of nitrogen fertilizer; for growing hybrid rice, conventional medium-sized rice, may be appropriate or not; for leggy, leaf color dark green, there Nitrogen excess symptoms of seedlings, the general should not be used to protect fertilizer.