水利学报Issue(3)：263-270,8.DOI:10.13243/j.cnki.slxb.2015.03.002
黄土高原半干旱区山地密植枣林土壤水分特性研究
Soil water characteristic of a dense jujube plantation in the semi-arid hilly Regions of the Loess Plateau in China
摘要
Abstract
Jujube (Ziziphus jujube Mill. CV. Lizao) is an economically important tree fruit species cultivated in the semi-arid hilly regions of the loess plateau in China. A few studies focused on reporting soil water for this area;so this study aimed to quantify soil water characteristic within 0-1000 cm for dense jujube plantation, using the soil core method and neutron probe. The results showed that:(1) According to soil water dynamic change,the whole soil water profile was stratified into three layers:active layer,difficult re⁃covery layer,and stable layer. (2)The active layer ranged in the 0-200 cm;Soil water of this layer had ob⁃vious monthly dynamic change;In May, soil water content was the lowest during the whole growth stage (from May to October);soil water content increased greatly in July and it reached the maximum value in October. The soil water increasing trend was similar to the jujube water consumption trend. This indicated that the stage for jujube vigorous growth was the period that soil water enhanced greatly, but the soil wa⁃ter minimum value appeared in the germinating stage and dormant ending stage. (3)The difficult recovery layer was below 200 cm, and the depth range for this layer depended on the age of jujube plantation. When the age of jujube trees was increased, the depth for difficult recovery layer was also increased. Wa⁃ter consumption depth could reach 540 cm for jujube aged twelve, resulting in a difficult recovery range of 340cm.Below the difficult recovery layer, there was the stable layer. (4)Therefore, the water consumption depth for dense jujube plantation was less than the depth for Robinia pseudoacacia, caragana microphylla, and alfalfa. The dense planting pattern for jujube plantation has a positive effect on regulating and control⁃ling soil water for artificial forests in the semiarid hilly regions of the loess plateau in the future.关键词
黄土高原/半干旱区/枣林/土壤水分Key words
loess plateau/semi-arid region/Jujube plantation/soil water分类
农业科技引用本文复制引用
汪星,周玉红,汪有科,卫新东,郭旭新,朱德兰..黄土高原半干旱区山地密植枣林土壤水分特性研究[J].水利学报,2015,(3):263-270,8.基金项目
国家科技支撑计划项目（2011BAD29B04，2013BAD20B03）；林业公益性行业科研专项（201404709）；陕西省科技统筹创新工程计划项目 （）
