根外追肥显著增产 水稻在孕穗、抽穗、开花及颗粒充实时期,需要很多磷肥。利用水稻叶子也能吸收磷肥的特点,进行根外喷磷,使谷粒饱满,提高粒重,减少空壳,增加产量。如孝感专署农业试验站58年在早稻红脚 Topdressing fertilizer significantly increases the yield of rice In the booting, heading, flowering and grain enrichment period, need a lot of phosphate fertilizer. The use of rice leaves can also absorb the characteristics of phosphate fertilizer, phosphorus out of the root, the grain full, increase grain weight, reduce the shell, increase production. For example Xiaogan agency agricultural pilot station 58 years in early rice red foot