%0 Journal Article
%T A study on water restoration of dry soil layers in the semi-arid area of Loess Plateau<br>黄土高原半干旱区土壤干层水分恢复研究
%A WANG Zhiqiang
%A LIU Baoyuan
%A LU Bingjun
%A <br>王志强
%A 刘宝元
%A 路炳军
%J 生态学报
%D 2003
%I 
%X A dry soil layer is defined as any layer within the soil profile that maintains a persistent low water content, which generally results from negative evapo transpiration equilibrium. Nearly all soils under perennial leguminous crops and re vegetated forests on Loess Plateau contain dry soil layers, which constitutes a serious obstacle to the sustainable land use of Loess Plateau of China. The formation, properties and distribution of dry soil layers in the Loess Plateau has been extensively studied, but ...
%K Loess Plateau
%K semi-arid area
%K dry soil layer
%K alfalfa
%K soil moisture<br>黄土高原
%K 半干旱区
%K 土壤干层
%K 紫花苜蓿
%K 土壤水分
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=FE163E5DB2274E5937319DE98913EC37&aid=F7F7BC7011CF29C9&yid=D43C4A19B2EE3C0A&vid=EA389574707BDED3&iid=9CF7A0430CBB2DFD&sid=303847C4FBA3C86A&eid=A93AF80BA961E8FF&journal_id=1000-0933&journal_name=生态学报&referenced_num=35&reference_num=46