中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
人工降雨条件下秸秆覆盖及留茬的水土保持效应

文献类型:期刊论文

作者王安 ; 郝明德 ; 王荚文
刊名水土保持通报
出版日期2012
卷号32期号:02页码:26-28
关键词人工降雨 artificial rainfall 秸秆覆盖 straw mulch 留茬 stubble 水土保持 soil and water conservation
其他题名Effects of Straw Mulch and Stubble on Soil and Water Conservation
中文摘要通过人工模拟降雨试验,研究了秸秆覆盖及留茬的水土保持效应。结果表明,秸秆覆盖和留茬均可延缓径流产生,其中5 000和3 000 kg/hm2秸秆覆盖分别能使初始产流时间延后427%和19%,而30 cm高留茬及15 cm低留茬覆盖则可分别延后初始产流时间107%和76%。5 000 kg/hm2覆盖量下累积径流量较对照减少了61.72%,土壤侵蚀量减少了86.7%;3 000 kg/hm2覆盖量下累积径流量减少了6.26%,土壤侵蚀量减少了60.1%,实施覆盖能够有效抑制水土流失,且以高覆盖量的作用效果更为显著。30 cm高留茬的土壤侵蚀量较对照减少了62.9%,15 cm低留茬覆盖减少25.6%,留茬能够有效防止土壤侵蚀,但对径流量无明显影响。
英文摘要A number of experiments with artificially simulated rainfalls were conducted to study the effects of straw
mulch and stubble on soil and water conservation. The results show that both straw mulch and stubble delayed the
runoff initiating time,by 427% and 19% for the treatments with straw mulch applications of 5 000 and 3 000 kg /
hm2,and by 107% and 76% for the treatments with 30 cm high stubble and the combination of 15 cm low stubble
and straw mulch,respectively. Compared with the control,the cumulative amount of runoff and sediment was reduced
by 61. 72% and 86. 7% in the treatment with straw mulch application of 5 000 kg /hm2,and by 6. 26% and 60. 1%
with straw mulch application of 3 000 kg /hm2,respectively. Straw mulch,especially with high application rates,
could effectively control soil water erosion. In contrast,30 cm high stubble reduced soil erosion by 62. 9% and 15 cm
low stubble by 25. 6%. Both of the stubble treatment could effectively reduce the soil erosion,but showed no significant
effect on surface runoff.
语种中文
公开日期2014-07-10
源URL[http://ir.iswc.ac.cn/handle/361005/5407]  
专题水土保持研究所_水保所知识产出(1956-2013)
推荐引用方式
GB/T 7714
王安,郝明德,王荚文. 人工降雨条件下秸秆覆盖及留茬的水土保持效应[J]. 水土保持通报,2012,32(02):26-28.
APA 王安,郝明德,&王荚文.(2012).人工降雨条件下秸秆覆盖及留茬的水土保持效应.水土保持通报,32(02),26-28.
MLA 王安,et al."人工降雨条件下秸秆覆盖及留茬的水土保持效应".水土保持通报 32.02(2012):26-28.

入库方式: OAI收割

来源:水土保持研究所

浏览0
下载0
收藏0
其他版本

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。