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玉米从拔节到灌浆是一生中需肥需水最多时期,因此追好肥、浇好水,促进穗大粒饱粒多有极重要意义。 1 合理巧追肥 玉米从拔节到抽雄穗吸收氮和磷均占一生全部氮磷素需量的50％以上;钾素吸收量占3/4。吸收
Corn from the jointing to the grouting is the life time of fertilizer and water needs up, so chasing good fertilizer, pouring water, spike large grains and more are of great significance. 1 reasonably clever top dressing maize corn from jointing to tassel absorption of nitrogen and phosphorus all accounted for more than 50% of the total demand for nitrogen and phosphorus throughout the life; potassium absorption accounted for 3/4. absorb