2009•Journal of Hebei Agricultural SciencesRequires access
Effects of Nitrogen Supply on the Growth Traits and Yield of Maize
Yang Yong-sheng
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Abstract
The effects of different nitrogen supply on the growth traits and yield of maize variety Neidan 314 were studied.The results showed that the application of reasonable amount of nitrogen could improve the vegetative growth,and had much more effect on the stem diameter in the earlier growing stage than that in the late growing stage.The nitrogen supply had significant positive correlation with grains per spike,had very significant positive correlation with grain weight per ear,and had little effect on the 100-seed weight.The yield was 12 240.07 kg/hm2,when the best application amount of nitrogen was 180.33 kg/hm2.