水稻施好﹃保花肥﹄具有显著增产作用杂交中稻通常表现为“大穗有余，结实不足”。目前大面积生产上仍停留于“底肥＋分蘖肥”这一传统的施肥方式，导致生育后期后劲不足，空秕率增加，千粒重下降，影响产量的进一步提高。据４年的研究，“底肥＋保花肥”每穗退化小花数占... Rice Shi Hao Bian Paul fertilizers have a significant increase in yield hybrid rice is usually manifested as “big spike more than stubborn enough.” At present, the traditional fertilization mode of “base fertilizer + tillering fertilizer” still remains in large-scale production, resulting in insufficient stamina during late growth period, increased emptying rate and the decrease of 1000-grain weight, further affecting the yield. According to 4 years of research, “basal fertilizer + Paul fertilizer” degradation of small flowers per spike accounted for ...