| 不同施肥制度对平凉市黑垆土地力贡献率的影响 |
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| 引用本文： | 蒋军锋.不同施肥制度对平凉市黑垆土地力贡献率的影响[J].甘肃农业科技,2011(8):28-30. |
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| 作者姓名： | 蒋军锋 |
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| 作者单位： | 甘肃省平凉市农业技术推广站,甘肃平凉,744000 |
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| 摘 要： | 在平凉市黑垆土玉米和小麦田进行了4种不同施肥制度长期定位试验,结果表明：平凉市黑垆土土壤生产力趋势从大到小为氮磷钾区、常规区、氮磷区、空白区,黑垆土对玉米供肥能力高于小麦,氮肥、磷肥、钾肥和有机肥配施可使黑垆土维持较高的生产力。
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| 关 键 词： | 施肥制度 黑垆土 地力贡献率 平凉市 |
Impact on Different Fertilizer Systems on Contribution Rate of Dark Loessial Soil in Pingliang |
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| Institution: | JANG Jun-feng(Pingliang Agricultural Technology Extension Station,Pingliang Gansu 744000,China) |
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| Abstract: | We evaluated 4 treatment conmprised of various fertilization in corn and wheat field of dark loessial Soil in Pingliang city.The results showed that Pingliang dark loessial soil productivity trends were NPK area Conventional area NP area Blank area,and the soil supplies more nutrient for corn than wheat,nitrogen,phosphorus,potassium fertilizer and organic fertilizer could make dark loessial soil maintain high productivity. |
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| Keywords: | Fertilization system Dark loessial soil Contribution rate of soil Pingliang city |
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