中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
秸秆覆盖和留茬的田间水土保持效应

文献类型:期刊论文

作者王安 ; 郝明德 ; 臧逸飞 ; 鲍艳杰
刊名水土保持研究
出版日期2013
卷号20期号:01页码:47-05
关键词人工降雨 :simulation rainfall 水土保持 soil and water conservation 覆盖 straw mulch 留茬 stubble
其他题名Effects of Straw Mulching and Stubble on Soil and
中文摘要通过人工模拟降雨试验,研究秸秆覆盖和留茬在玉米生育期的水土保持效应。结果表明:覆盖和留茬在玉米不同生育期均可有效减少土壤侵蚀,覆盖的效果更为明显,其产沙量最大可减少75%,留茬的产沙量最大可减少29%。相同秸秆用量下实行覆盖的水土保持效应较留茬明显。覆盖结合留茬减弱土壤侵蚀的效果明显,在玉米各生育期的产沙量均有大幅减少,低覆盖高留茬减幅最大为85%,高覆盖低留茬减幅最大为78%;在抽穗期对径流强度也有削弱,低覆盖高留茬的径流量减少23%,高覆盖低留茬减少15%,相同秸秆用量下低覆盖高留茬对水土流失的抑制较高覆盖低留茬明显。
英文摘要Abstract:Experiments under simulation rainfall were conducted to study effects of straw mulch and stubble
on soil and water conservation at different growth stages of corn.Results showed that both straw mulch
which had much more obvious effects,and stubble would efficiently delay the runoff initiating time and reduce
 the amount of soil erosion.The effect of straw mulch was most distinct at the jointing stage with the
runoff initiating time delayed by 96%compared with CK,the amount of soil erosion reduced by 75%,at the
seeding stage and the amount of cumulative runoff was reduced by 15% at the heading stage at the same
time.These measures of straw mulch combining with stubble also delayed the runoff initiating time and reduced
 the amount of soil erosion efficiently at the different growth stages of corn,especially at the jointing
stage.The runoff initiating time was delayed by 1.36times under low straw mulch combining with high
stubble,and by 52%under high straw mulch combining with low stubble,meanwhile,the amount of soil erosion
 was reduced by 85%and 78%,respectively compared with CK at the jointing stage of corn.And at
the heading stage,the cumulative amount of runoff was reduced by 23%and 15%,respectively under low
straw mulch combining with high stubble and high straw mulch combining with low stubble,both of which
demonstrated distinct effects on soil and water conservation,especially low straw mulch combining with high
stubble.
语种中文
公开日期2014-10-24
源URL[http://ir.iswc.ac.cn/handle/361005/5603]  
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,臧逸飞,等. 秸秆覆盖和留茬的田间水土保持效应[J]. 水土保持研究,2013,20(01):47-05.
APA 王安,郝明德,臧逸飞,&鲍艳杰.(2013).秸秆覆盖和留茬的田间水土保持效应.水土保持研究,20(01),47-05.
MLA 王安,et al."秸秆覆盖和留茬的田间水土保持效应".水土保持研究 20.01(2013):47-05.

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。