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玉米是需肥较多的作物之一,多年来农民在玉米施肥上存在着很大的盲目性。由于不科学的施肥,施肥量过多,或偏施氮肥造成倒伏而减产,增加不必要的投入;反之施肥量过少,不能满足玉米生长的需要,也会造成减产。利用土壤养分测定的方法,根据土壤养分和玉米的需肥规律,进行科学配方施肥,起到了明显的增产目的。
Corn is one of the crops that needs more fertilizer. For many years, farmers have great blindness in fertilizing corn. As unscientific fertilization, excessive fertilization, or partial nitrogen fertilizer caused by lodging and production, increase unnecessary investment; the other hand, the amount of fertilizer is too small, can not meet the needs of corn growth, will result in reduced production. The use of soil nutrients determination method, according to the law of fertilizer and corn soil fertility, scientific formula fertilization, played a significant yield increase purposes.