钞锦龙,胡磊,郝小梅,陶军,李浩杰

• 1:太原师范学院地理科学学院
• 2:北京师范大学地理科学学部

摘要(Abstract)：

研究选取晋西黄土区立地条件不同的山地枣林作为研究对象,采用土壤干燥化强度评价法(SDI)定量分析和评估0~500 cm土壤水分和干燥化效应.结果表明:(1)土壤含水量随深度加深呈先下降后上升趋势,其耗水最大位于60~220 cm部位土层.(2)不同立地条件下枣林土壤含水量存在显著差异(P<0.01),其中不同坡位下阳坡坡底(9.10%)显著高于阳坡坡中(6.08%)和坡顶(6.68%),不同坡向下阴坡(9.86%)显著高于阳坡.(3)土壤干燥化强度指标大小为:阳坡坡中(76.38%)>坡顶(67.63%)>阳坡坡底(26.50%)>阴坡坡中(25.63%).本文认为阳坡坡底和阴坡坡中位置适合枣树自然生长,而阳坡坡中和坡顶位置应该减小种植密度,且辅以合理的管理经营.

关键词(KeyWords)： 黄土区;山地;土壤水分;干燥化效应

Abstract:

Keywords:

基金项目(Foundation): 2020年度山西省高等学校哲学社会科学项目(I0200641);; 2020年山西省社科联项目(SSKLZDKT2020110)

作者(Author): 钞锦龙,胡磊,郝小梅,陶军,李浩杰

DOI: 10.13568/j.cnki.651094.651316.2020.05.29.0001

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