| 几种化学物质对小白菜硝酸盐和亚硝酸盐含量的影响 |
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| 引用本文： | 黄绍宁,沈华山.几种化学物质对小白菜硝酸盐和亚硝酸盐含量的影响[J].长江蔬菜,2003(2):44-45. |
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| 作者姓名： | 黄绍宁 沈华山 |
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| 作者单位： | 深圳市农科中心蔬菜所,518040 |
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| 摘 要： | 在三个品种的小白菜试验中，于收获前根外喷施钼酸铵、氯化锰、草酸钾及其混合物，可降低蔬菜中硝酸盐和亚硝酸盐的含量，以喷施混合物的效果较好。喷施甘氨酸对硝酸盐影响不大，但都导致亚硝酸盐的显著提高；收获前3天的喷施效果比前7天的好。
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| 关 键 词： | 含量 小白菜 硝酸盐 亚硝酸盐 化学物质 微量元素肥料 喷施 |
| 修稿时间： | 2002年8月21日 |
Effect of Some Chemicals on the Content of Nitrate and Nitrite in Chinese Cabbage |
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| Huang Sh aoning,Shen Huashan.Effect of Some Chemicals on the Content of Nitrate and Nitrite in Chinese Cabbage[J].Journal of Changjiang Vegetables,2003(2):44-45. |
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| Authors: | Huang Sh aoning Shen Huashan |
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| Abstract: | The content of nitrate or nitrite was reduced b y spraying(NH 4 ) 2 MoO 4 ,MnCl 2 and K 2 C 2 O 4 ,especial-ly their mixture,before harvesting in three varieties of Chines e cabbage.The effect of glycine on the con tent of nitrate was small but it r esulted in increasing of nitrite content markedly.The effect of spraying3days before harvesting was better than7days before harvesting. |
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| Keywords: | Chinese C abbage Nitrate Nitrite Chemical_ |
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