为夺取杂交晚稻高产，当杂交晚稻进入孕穗期时，在肥水管理上要抓好以下2条：1．合理施用德＊杂交晚稻孕＠期，如缺肥会使格头变小，位数减少，批谷增多，粒重下降。而施用德肥能满足孕德期对养分的需要，促使长大河，增粒重。因此，应在主茎剑叶刚回尖坦尚未见秘时用“保花肥 In order to seize the high yield of hybrid late rice, when the hybrid late rice enters the booting stage, we should pay attention to the following two in fertilizer and water management: 1. Rational application of Te * hybrid late rice pregnant @ period, such as lack of nutrition will make the first smaller, median reduction, increase the number of droughts, grain weight decreased. The application of German fertilizer to meet the needs of nutrition during pregnancy, prompting the growth of the river, increased grain weight. Therefore, should be the main stem and leaves just returned to the tip has not seen the secret when using "Paul fertilizer