| 施用不同氮、钾肥水平对卷心菜中硝酸盐含量积累的影响 |
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| 引用本文： | 周根娣,李东平,吕辉.施用不同氮、钾肥水平对卷心菜中硝酸盐含量积累的影响[J].农业环境与发展,1999,16(3):35-37. |
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| 作者姓名： | 周根娣 李东平 吕辉 |
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| 作者单位： | 杭州市环境保护科学研究所,浙江杭州,310007 |
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| 摘 要： | 通过施用不同含量的氮、钾，对卷心菜中硝酸盐含量积累的田间试验得出：影响蔬菜中硝酸盐含量的主要因素是氮，而钾对蔬菜中硝酸盐含量的积累和减少无明显的影响。这是因为影响植物吸收钾的因素很多，光照、温度、水分等外界条件的改变会直接影响植物对钾的吸收，并使植物体内的氮代谢和硝酸盐积累也受到影响。
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| 关 键 词： | 硝酸盐含量 钾肥 氮肥 卷心菜 |
Effects of Application of Different Levels of Nitrogen and Potassium on the Nitrate Accumulation in Cabbage |
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| ZHOU Gen-di,LI Dong-ping,L Hui.Effects of Application of Different Levels of Nitrogen and Potassium on the Nitrate Accumulation in Cabbage[J].Agro-Environment and Development,1999,16(3):35-37. |
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| Authors: | ZHOU Gen-di LI Dong-ping L Hui |
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| Institution: | ZHOU Gen-di,LI Dong-ping,LU Hui
(Hangzhou Environmental Proection Agency,Hangzhou,310007,China) |
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| Abstract: | Potassiu m is one of mineral nutrient elem ents w hich is essentialfor plant growing . The experim ent on application of different levels of nitrogen and potassiu m was conducted to in vestigate the nitrate accu m ulation in cabbage . The results indicated that nitrogen can increase thenitrate content in cabbage ,w hile potassiu m dose not influence the nitrate accu m ulation in cab bage . Because many factors such as light ,te m perature ,water and so on can influence the uptake ofpotassiu m by plant ,so in cabbage the nitrogen metabolism and nitrate accu m ulation may also bechanged . |
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| Keywords: | Nitrate content Potassiu m Nitrogen Cabbage |
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