| 不同氮钾比例对马铃薯产量和品质的影响 |
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| 引用本文： | 宋志荣.不同氮钾比例对马铃薯产量和品质的影响[J].中国马铃薯,2009,23(3):155-157. |
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| 作者姓名： | 宋志荣 |
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| 作者单位： | 湖南省农业技术推广总站,湖南长沙,410005 |
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| 基金项目： | 湖南省农业技术推广专项资助 |
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| 摘 要： | 为探寻马铃薯高效栽培技术,提高肥料利用率,研究了不同氮钾水平对马铃薯产量因子和质量因子的影响。当N:K2O比增加时,马铃薯的生长发育进程推迟,健康态势降低,块茎蛋白质含量升高。而N:K2O比降低时,块茎的干物质、淀粉、还原糖、总糖和Vc等含量趋向增加,但钾肥的百分比过高时,又会阻碍马铃薯生长发育,降低产量和品质。
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| 关 键 词： | 马铃薯 氮肥 钾肥 产量 品质 |
Effects of the Ratio of N to K Fertilizer on Patato Yield and Quality |
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| Song Zhirong.Effects of the Ratio of N to K Fertilizer on Patato Yield and Quality[J].Chinese Potato,2009,23(3):155-157. |
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| Authors: | Song Zhirong |
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| Institution: | Argicultural Technology and Extension Office;Agricultural Department of Hunan Province;Changsha;Huanan 410005;China |
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| Abstract: | Effects of the ratio of N to K fetilizer on patato yield and quality were studied in order to increase the fertilizer utilization efficiency and improve the agronomic measures.The results indicated that as increase in the ratio of N to K2O applied, the development of potato was delayed, tuber protein and diseased tuber percentage increased.In contrast, decreasing the ratio of N to K2O increased the content of dry matter, starch, total sugar, reducing sugar, and vitamin C.However, too much K fertilizer would... |
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| Keywords: | potato nitrogenous fertilizer potasium fertilizer yield quality |
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