1.孕穗期水肥管理 管水 以湿为主,间隙灌溉并结合露田1～2天,协调地下部与地上部生长。 施肥 穗轴分化期即倒3叶抽出1/2时每667平方米(1亩)施氯化钾5公斤;穗分化3～4期,即倒2叶抽出1/2至全展时视叶色而定,每667平方米施尿素3～5公斤(应注意绝不能超过5公斤),一般叶色退 1. booting water and fertilizer management Pipeline to wet-based, interstitial irrigation and combined with open field 1 to 2 days to coordinate the growth of the underground and shoots. Fertilization cob transplanting that is 3 down 3/1 out of every 667 square meters (1 acre) applied potassium chloride 5 kg; spike differentiation 3 to 4, that is, down 2 leaves out of 1/2 to the whole when the apparent leaf Color may be, every 667 square meters of urea 3 to 5 kg (should be careful not to exceed 5 kg), the general retreat