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Effects of wheat stubble on runoff, infiltration, and erosion of farmland on the Loess Plateau, China, subjected to simulated rainfall
Wang, Linhua1; Ma, Bo1; Wu, Faqi1,2; Wu, FQ (reprint author), Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.; Wu, FQ (reprint author), Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Peoples R China.
SubtypeArticle
2017
Source PublicationSOLID EARTH
ISSN1869-9510
description.correspondentemailwufaqi@263.net
Volume8Issue:2Pages:281-290
AbstractSoil and water losses in agriculture are major environmental problems worldwide, especially on the Loess Plateau, China. Summer fallow management may help to control soil erosion and conserve water. This study investigated the effects of wheat stubble on runoff, infiltration, and soil loss in laboratory plots under simulated rainfall. The treatments comprised wheat stubble cover (WS) and traditional plowing (TP) in runoff plots (4.0m x 1.0 m) with three slope gradients (5, 10, and 15 degrees) under simulated rainfall at 80 mm h(-1) for 1 h. The runoff volume from WS plots was significantly less than that from TP. The runoff reduction with WS ranged from 91.92 to 92.83% compared with TP. The runoff rates varied with the runoff volume in the same manner. The infiltration amount was higher with WS (94.896.2% of rainwater infiltrated) than TP (35.4-57.1 %). The sediment concentration was significantly lower with WS than TP. Compared with TP (304.31-731.23 g m(-2)), the sediment losses were reduced dramatically in WS (2.41-3.78 gm(-2)) and the sediment loss slightly increased with slope; however, it was greatly increased as slope increased in TP. These results revealed that the stubble cover was the main factor reducing runoff and sediment losses and improving infiltration and that stubble showed a great potential to control erosion and conserve soil and water resources during the summer fallow period in the Loess Plateau region.
Subject AreaGeochemistry & Geophysics
DOI10.5194/se-8-281-2017
URL查看原文
Indexed BySCI
Publication PlaceGOTTINGEN
Language英语
WOS IDWOS:000396208500001
PublisherCOPERNICUS GESELLSCHAFT MBH
Funding OrganizationNational Natural Science Foundation of China [41271288] ; National Natural Science Foundation of China [41271288]
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Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8021
Collection水保所科研产出--SCI_2017--SCI
Corresponding AuthorWu, FQ (reprint author), Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.; Wu, FQ (reprint author), Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Peoples R China.
Affiliation1.Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Peoples R China
2.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Peoples R China
Recommended Citation
GB/T 7714
Wang, Linhua,Ma, Bo,Wu, Faqi,et al. Effects of wheat stubble on runoff, infiltration, and erosion of farmland on the Loess Plateau, China, subjected to simulated rainfall[J]. SOLID EARTH,2017,8(2):281-290.
APA Wang, Linhua,Ma, Bo,Wu, Faqi,Wu, FQ ,&Wu, FQ .(2017).Effects of wheat stubble on runoff, infiltration, and erosion of farmland on the Loess Plateau, China, subjected to simulated rainfall.SOLID EARTH,8(2),281-290.
MLA Wang, Linhua,et al."Effects of wheat stubble on runoff, infiltration, and erosion of farmland on the Loess Plateau, China, subjected to simulated rainfall".SOLID EARTH 8.2(2017):281-290.
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