| 定位施肥对黑垆土剖面养分的影响 |
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| 引用本文： | 党廷辉,郝明德,李青,彭琳.定位施肥对黑垆土剖面养分的影响[J].水土保持通报,1995,15(6):28-33,59. |
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| 作者姓名： | 党廷辉 郝明德 李青 彭琳 |
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| 作者单位： | 中国科学院水利部水土保持研究所;中国科学院水利部水土保持研究所;中国科学院水利部水土保持研究所;中国科学院水利部水土保持研究所 |
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| 摘 要： | 根据９年的田间定位试验资料，我们分析了９种不同施肥处理黑垆土耕层（０－２０ｃｍ）、古耕层（２０－５０ｃｍ）和垆土层（５０－８０ｃｍ）三层土壤养分的变化。结果表明：施肥对黑土剖面养分的影响随深度的增加而减弱，一般为，耕层＞古耕层＞垆土层。不同处理耕层土壤养分差异比较明显，耕层以下土尽管异减小，但其归变化与耕层趋势一致。各层土壤速效养分对照比裸地均有下降。综合评价施肥对黑垆土剖面的培肥效果，ＮＰＭ＞Ｍ
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| 关 键 词： | 定位施肥 黑垆土 剖面养分变化 |
| 收稿时间： | 1995/9/10 0:00:00 |
Effect of Position Fertilization on Soil Nutrient of Heku Soil Profile |
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| DANG Tinghui,HAO Mingde,LI Qing and PENG Lin.Effect of Position Fertilization on Soil Nutrient of Heku Soil Profile[J].Bulletin of Soil and Water Conservation,1995,15(6):28-33,59. |
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| Authors: | DANG Tinghui HAO Mingde LI Qing and PENG Lin |
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| Institution: | Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,712100,Yangling,Shaanxi;Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,712100,Yangling,Shaanxi;Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,712100,Yangling,Shaanxi;Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,712100,Yangling,Shaanxi |
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| Abstract: | |
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| Keywords: | position fertilization Helu soil nutrient change of soil layers |
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