Effects of Primary Factors on Soil Moisture in Cultivated Slopeland

Zhao Xiaoguang; Wu Faqi; Liu Bingzheng; Liu Shihai

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Effects of Primary Factors on Soil Moisture in Cultivated Slopeland

- Effects of Primary Factors on Soil Moisture in Cultivated Slopeland
- Bulletin of Soiland Water Conservation Vol. 18, Issue 1, Pages: 10-14(1999)
- 作者机构：
  
  西北林学院水土保持系,陕西杨陵,712100
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1999
- 稿件说明：
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Zhao Xiaoguang, Wu Faqi, Liu Bingzheng, et al. Effects of Primary Factors on Soil Moisture in Cultivated Slopeland[J]. Bulletin of Soiland Water Conservation, 1999, 18(1): 10-14.
DOI：

Zhao Xiaoguang, Wu Faqi, Liu Bingzheng, et al. Effects of Primary Factors on Soil Moisture in Cultivated Slopeland[J]. Bulletin of Soiland Water Conservation, 1999, 18(1): 10-14. DOI：

摘要

通过对0°～25°坡耕地240cm以上土层1a内各层土壤水分状况每周的观测

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。

Abstract

By measuring soil moisture within various layers (above 240cm deepth) in the cultivated slopeland with 0°～25°during one year

a monthly change in soil moisture from May to September was discussed considering rainfall information. The results indicated that soil moisture decreased as gradient increased. The highest soil moisture occurred at a place where is 30m far away from the ridge line. Soil moistur eincreased with increasing rainfall.The effect of a moderate rainfall intensity on soil moisture was significant.Soil moisture was increased by high residue mulch. The change of monthly mean soil moisture from May to September was nearly a sinecurve.

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