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黄土高原坡耕地土壤水分主要受控因子研究
引用本文:赵晓光,吴发启,刘秉正,刘世海. 黄土高原坡耕地土壤水分主要受控因子研究[J]. 水土保持通报, 1999, 19(1): 10-14,32
作者姓名:赵晓光  吴发启  刘秉正  刘世海
作者单位: 
摘    要:通过对0° ̄25°坡耕地240cm以上土层1α内各层土壤水分状况每周的预测,结合同期降水资源,研究土壤水分在5-9月份的变化情况,从而得出土壤含水量随坡度增大呈减少趋势;距分水岭30m处土壤含水量最高(9%坡度);土壤水分含量随雨量增大而增大;中等雨强降雨对土壤水分影响最大;高茬覆盖有利于增加土壤含水量,5-9月份,土壤月平均含水量呈正弦曲线变化的规律。

关 键 词:土壤水分 坡耕地 受控因子
收稿时间:1998-09-07

Effects of Primary Factors on Soil Moisture in Cultivated Slopeland
Zhao Xiaoguang,Wu Faqi,Liu Bingzheng and Liu Shihai. Effects of Primary Factors on Soil Moisture in Cultivated Slopeland[J]. Bulletin of Soil and Water Conservation, 1999, 19(1): 10-14,32
Authors:Zhao Xiaoguang  Wu Faqi  Liu Bingzheng  Liu Shihai
Affiliation:Department of Soil and Water Conservation, Northweast Forestry College, Yangling, Shaanxi, 712100, PRC;Department of Soil and Water Conservation, Northweast Forestry College, Yangling, Shaanxi, 712100, PRC;Department of Soil and Water Conservation, Northweast Forestry College, Yangling, Shaanxi, 712100, PRC;Department of Soil and Water Conservation, Northweast Forestry College, Yangling, Shaanxi, 712100, PRC
Abstract:
Keywords:soil moisture  cultivated slopeland  factors
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