| 滴灌施肥对棉花产量性状的影响 |
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| 引用本文： | 王计平,史华平,南建福.滴灌施肥对棉花产量性状的影响[J].山西农业科学,2005,33(4):49-52. |
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| 作者姓名： | 王计平 史华平 南建福 |
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| 作者单位： | 山西农业大学农学院,山西,太谷,030801;山西省农业科学院果树研究所,山西,太谷,030815;山西省农业科学院旱地农业研究中心,山西,太原,030031 |
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| 基金项目： | 中华农业科教基金资助项目(97-01-03-03) |
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| 摘 要： | 以棉花为试验材料,分析了稀穴密株种植条件下,氮、磷、钾元素随滴灌水在土壤中的运移规律。结果表明,随滴灌水施肥时,磷、钾元素在土壤中的运移规律基本相似,主要富集于土壤表层,肥料利用率较低;而氮素随滴灌水在土壤中的流动性较强,能够随水运移到棉花根系集中层。所以说,随滴灌水施肥是提高氮素肥料利用率的有效途径之一,而磷素、钾素肥料则不适于随滴灌施用。
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| 关 键 词： | 棉花 滴灌施肥 氮、磷、钾元素 |
| 文章编号： | 1002-2481(2005)04-0049-04 |
| 收稿时间： | 2004-08-04 |
| 修稿时间： | 2004年8月4日 |
Effect of Fertilization in Drip-irrigation on Cotton |
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| WANG Ji-ping,SHI Hua-ping,NAN Jian-fu.Effect of Fertilization in Drip-irrigation on Cotton[J].Journal of Shanxi Agricultural Sciences,2005,33(4):49-52. |
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| Authors: | WANG Ji-ping SHI Hua-ping NAN Jian-fu |
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| Institution: | 1. Agronomy College, Shanxi Agriculture University, Taigu 030800, China ; 2. Institute of Pomolog , Shanxi Academy of Agricultural Sciences, Taigu 030815, China ; 3. Center of Dry-land Farming, Shanxi Academy of Agricultural Sciences, Taiyuan 030031, China |
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| Abstract: | The experiment was conducted on cotton.Planting under the condition of cottons on central planting inless sockets,We analyzed the dynamic pattern of N,P,K along with irrigating water in soil.Results showed:the dynamic rules of P and K were similar in soil,more P and K in surface and fertilizer's using efficiency was low;N moved with the irrigating water fast and most of N gathered at the layer where cotton roots concentrated,and the using efficiency was improved. |
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| Keywords: | Cotton Fertilization in drip-irrigation N P K elements |
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