2012•Journal of Yangtze UniversityRequires access

Effect of Different Nitrogen Rates on Yield and Nitrate Contents of Chinese Cabbage

Liu An-xun

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Abstract

Through field experiment,the effect of different nitrogen rates on the yield and nitrate contents of Chinese cabbage(Brassica campestris ssp.Chinensi.S) was studied.The results showed that the yield and nitrate contents of Chinese cabbage increased with enhancing the amount of the nitrogen fertilizer.There was significantly positive correlation between the rate of nitrogen and yield,or nitrate contents.The reasonable N rate of application were 180kg/hm~2according to its yield and≤90kg/hm~2 according to its quality.

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What this paper is about

Through field experiment,the effect of different nitrogen rates on the yield and nitrate contents of Chinese cabbage(Brassica campestris ssp.Chinensi.S) was studied.The results showed that the yield and nitrate contents of Chinese cabbage increased with enhancing the amount of the nitrogen fertilizer.There was significantly positive correlation between the rate of nitrogen and yield,or nitrate contents.The reasonable N rate of application were 180kg/hm~2according to its yield and≤90kg/hm~2 according to its quality.

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Available abstract

Through field experiment,the effect of different nitrogen rates on the yield and nitrate contents of Chinese cabbage(Brassica campestris ssp.Chinensi.S) was studied.The results showed that the yield and nitrate contents of Chinese cabbage increased with enhancing the amount of the nitrogen fertilizer.There was significantly positive correlation between the rate of nitrogen and yield,or nitrate contents.The reasonable N rate of application were 180kg/hm~2according to its yield and≤90kg/hm~2 according to its quality.

Key concepts: Nitrogen, Yield (engineering), Brassica, Nitrate, Chemistry, Agronomy, Nitrogen fertilizer, Field experiment

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