[1]熊汉琴,王朝辉,宰松梅.种植年限对蔬菜大棚土壤肥力的影响[J].水土保持研究,2007,14(03):137-139.
　XIONG Han-qin,WANG Zhao-hui,ZAI Song-mei.Influence of Cropping Duration on Soil Fertility in Vegetable Green-house[J].Research of Soil and Water Conservation,2007,14(03):137-139.
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种植年限对蔬菜大棚土壤肥力的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 14 期数: 2007年03期 页码: 137-139 栏目: 出版日期: 1900-01-01
Title:
Influence of Cropping Duration on Soil Fertility in Vegetable Green-house
作者:
熊汉琴1,2, 王朝辉2, 宰松梅2
1. 汉中职业技术学院, 东区, 陕西, 汉中, 723100;
2. 西北农林科技大学资源环境学院, 陕西, 杨凌, 712100
Author(s):
XIONG Han-qin1,2, WANG Zhao-hui2, ZAI Song-mei2
1. Hanzhong Technical College, Hanzhong, Shaanxi 723100, China;
2. College of Resources and Environmental Science, Northwest Sci-tech University of Agriculture and Forestry, Yangling, Shaanxi 712100, China
关键词:
蔬菜; 大棚; 种植年限; 土壤肥力
Keywords:
vegetable; green-house; cropping duration; soil fertility
分类号:
S606
摘要:
选取不同种植年限蔬菜大棚、露天菜地和一般农田，测定了土壤pH值、有机质、全氮、硝态氮、铵态氮、速效P、速效K和阳离子代换量等主要养分.结果表明：大棚土壤pH值小于露天菜地、小于农田土壤，随种植年限的延长土壤逐渐酸化.年以后大棚菜地土壤已明显出现N、P严重富集，K含量降低，不同种植年限大棚土壤阳离子代换量随种植时间延长而下降.7年以后的大棚已大部分出现肥力障碍.
Abstract:
Investigation and determination of several major nutrients in different cropping duration of vegetable,air-opening vegetable and cereal crop soils,chemical characteristic such as pH,organic matter,total,nitrate N,ammonium N,available P,and available K were invested.The results showed that the pH of the green-house soil was lower than that of the air-opening land soil and lower than that of the cereal cropland soil.The soil has showed obvious tendency to acidification.After 3-year,the green-house soil showed obvious enrichment of N and P,decrease of available K content.The positive ion exchange capacity of the green-house soil tends to decrease with the extension of green-house age.Soil in 7 year old green house showed obvious constrains of fertility.

参考文献/References:

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备注/Memo

收稿日期:2006-6-7
基金项目:国家自然基金项目(40201028和30370843);农业部"948"重大研究项目(2003-Z53)
作者简介:熊汉琴(1968- )，女，陕西汉中人，硕士研究生，主要从事养分管理及生态效应方面的研究.

更新日期/Last Update: 1900-01-01