| 冀南地区蔬菜保护地土壤养分变化特点 |
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| 引用本文： | 孟艳玲,马保国,刘子英,李季.冀南地区蔬菜保护地土壤养分变化特点[J].土壤肥料,2006(2):23-25,37. |
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| 作者姓名： | 孟艳玲 马保国 刘子英 李季 |
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| 作者单位： | [1]河北工程学院农学院,河北邯郸056001 [2]河北工程学院水电学院,河北邯郸056001 [3]中国农业大学资源与环境学院,北京100094 |
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| 基金项目： | 十五国家科技攻关项目：黄淮海平原高产区优质高效农业结构模式与技术研究,项目编号2001BA5008B01. |
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| 摘 要： | 对冀南地区蔬菜保护地土壤养分现状及变化趋势进行了研究，结果表明，保护地耕层土壤有机质、土壤速效N、速效P和速效K比相邻露地栽培分别平均增加146．64％、51．68％、567．17％和110．41％；比1981年土壤分别增加143．23％、97．97％、2311．00％和98.8％。随栽培年限的增加，耕层土壤速效N、速效P和速效K有积累的趋势，土壤养分主要积累在0～20cm土层，随着土层加深土壤养分积累程度降低，其中以日光温室栽培的土壤养分积累高于塑料大棚。
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| 关 键 词： | 蔬菜保护地 土壤养分 积累特点 栽培年限 土壤有机质 |
| 文章编号： | 1002-0616（2006）02-0023-04 |
| 收稿时间： | 2005-03-08 |
| 修稿时间： | 2005-03-08 |
Variation of soil nutrients in cover vegetable field in south Hebei province |
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| MENG Yah-ling, MA Bao-guo, LIU Zi-ying, LI Jia.Variation of soil nutrients in cover vegetable field in south Hebei province[J].Soils and Fertilizers,2006(2):23-25,37. |
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| Authors: | MENG Yah-ling MA Bao-guo LIU Zi-ying LI Jia |
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| Institution: | 1.Department of Agriculture, Hebei University of Engineering. Handan Hebei 056001; 2. Department of Hydroelcctric Power, Hebei University of Engineering, Handan Hebei 056001 ; 3.Department of Resources and Environment, China Agricultural University , Beijing 100094 |
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| Abstract: | The status and change tendency of soil nutrients under different cover vegetable field and different soil layer in Yongnian county, Hebei province were studied. The results showed that the content of soil organic matter and available N, P, K was higher with longer protective cultivation than that of opening soils. While the soil pH under different protective cultivation years had become lower than that in opening soils slightly. Except available K in opening soil, whether protective soil or opening soil the contents of soil organic matter and available N, P, K were higher than in 1981. |
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| Keywords: | cover vegetable field soil nutrient accumulation characteristic cultivation years |
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