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水稻生育后期抓﹃五防﹄柯锋水稻进入育后期，是形成产量的关键时刻，必须抓好以下“五防”。１防脱肥对中期未施氮肥，后期有脱肥早衰现象的田块，可在破口期每亩施２～３公斤尿素作破口肥。对生长正常健壮的，在始穗期和齐穗期各施一次叶面肥，每亩每次用磷酸二氢钾１...
In the late rice growth stage, five anti-tuberculosis and Kefeng rice entered the later period of fertility, which is a crucial moment for the formation of output. The following five defenses must be met. 1 prevention of fertilization on the medium-term nitrogen fertilizer, the late decline in the phenomenon of premature failure plots, can be used in the breach of the mouth 2 to 3 kg of urea for break fat. On the growth of healthy, in the beginning of the heading and heading each application of a foliar fertilizer, each with a potassium dihydrogen phosphate per acre 1 ...