doi:10.3969/j.issn.1004-3268.2009.10.036

Journal of Henan Agricultural Sciences ›› 2009, Vol. 38 ›› Issue (10): 122-124.DOI: 10.3969/j.issn.1004-3268.2009.10.036

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Published:2009-10-15 Online:2009-10-15

黄河故道地区生草梨园土壤水分含量变化动态分析

侯启昌¹;梅四卫²

¹河南广播电视大学,河南郑州450008;²河南农业职业学院,河南中牟451450

基金资助:
基金项目：2004年“河南省教育厅青年骨干教师资助计划”（[2005]461号文）资助

Abstract

摘要： 在黄河故道地区梨园种植不同牧草,在梨幼果期（6月）、成熟期（10月）,分别测定0-60cm（6月）、0-100cm（10月）不同土层的水分含量。结果表明,在梨幼果期,即春季干旱季节,在0-60cm土层,草与梨树竞争水分,生草区土壤含水量比清耕区最大降低6.30个百分点。随着夏季降雨,草与梨树竞争水分矛盾趋于缓和,秋季果实成熟期生草区土壤含水量比清耕区最大降低2.41个百分点。在梨幼果期,种植紫花苜蓿的土壤比种植白三叶失水更多,在40-60cm土层,二者相差最大可达1.59个百分点。

关键词: 生草, 梨园, 土壤水分

CLC Number:

S661.2

侯启昌;梅四卫. 黄河故道地区生草梨园土壤水分含量变化动态分析[J]. 河南农业科学, 2009, 38(10): 122-124.

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黄河故道地区生草梨园土壤水分含量变化动态分析

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