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| Effects of Molybdenum on Leaf Color，Nutritional Quality and Nitrate Contents of Chinese Cabbage |
| Nie Zhaojun，Hu Chengxiao，Sun Xuecheng，et al. |
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Abstract A pot trial was conducted to investigate effects of molybdenum（Mo）on leaf color，nutritional quality and nitrate contents in Chinese cabbage.The results showed that Mo application could promote the growth of Chinese cabbage，increase its yield，raise the contents of chlorophyll，and could change the leaf color to dark green.Mo application remarkably increased the contents of Mo，ascorbate，soluble sugar and soluble protein in Chinese cabbage.Mo application also raised the contents of both essential and non-essential amino acids needed by human body in Chinese cabbage，thus improved its nutritional quality.Mo application could significantlly reduce the nitrate contents in Chinese cabbage，and also，it would improve the edible safety of Chinese cabbage in certain level.In this trial，Mo level of 0.300 mg·kg-1 had the best effect.
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Received: 13 November 2007
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