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| Effect of Nitrogen-inhibitors on the Nitrate Content and Yield of Vegetables |
| Huang Dongfeng; Luo Tao; Qiu Xiaoxuan |
| nstitute of Soil and Fertilizer; Fujian Academy of Agricultural Sciences; Fuzhou 350013 |
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Abstract Experiment on effects of five kinds of nitrogen-inhibitors on the contents of nitrate and nitrite in vegetables and yields of vegetables was carried out.The results showed that three kinds of nitrogen-inhibitors pyridine, imidazole and dicyandiamide,obviously reduced the content of nitrate in vegetables by 9.6 %-31.1 %,and the effect on yield of vegetable was not obvious.The effects of the other two kinds of nitrogen-inhibitors,hydroguinone and catechol were not obvious as compared with control.
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Received: 26 November 2004
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