Title: Research on Balance Fertilization of Spring Maize in Zhangjiakou
Abstract: Using maize variety Jiyuanyihao as the material,the effect of fertilizer rate on the yield of spring maize was studied by 3414 design.The results showed that the yield was the lowest without applying fertilizer,which was only 80.6% of that with the normal fertilization.The balance fertilization was very important for improving yield.In the formula of N2P2K2(N 310.5 kg/hm2,P2O5 157.5 kg/hm2 and K2O 162.0 kg/hm2),the amount of nitrogen and phosphorus were reasonable,while that of potassium was lower,so the amount of nitrogen should be stabilized,that of phosphorus should be controlled,and that of potassium should be increased.The yield was the highest(13 530.0 kg/hm2)with the treatment of N2P2K3.Organic manure was complete fertilizer,which could increase the soil fertility and instead of chemical fertilizer.This research had important significance for fertilization of spring maize in north china.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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