干旱区生态环境知识资源中心(Arid): The Effects of Wind Erosion Depending on Cropping System and Tillage Method in a Semi-Arid Region

Arid

DOI	10.3390/agronomy10050732
	The Effects of Wind Erosion Depending on Cropping System and Tillage Method in a Semi-Arid Region
	Yang, Caihong 1; Geng, Yanxiang 1; Fu, Xing Zhou 1; Coulter, Jeffrey A.2; Chai, Qiang3
通讯作者	Yang, Caihong ; Chai, Qiang
来源期刊	AGRONOMY-BASEL
EISSN	2073-4395
出版年	2020
卷号	10 期号:5
英文摘要	Wind erosion is a major environmental problem in arid and semi-arid regions, where it has significant impacts on desertification and soil degradation. To understand the effects of cropping systems and tillage methods on the reduction of soil wind erosion, wind tunnel investigations were performed on soil samples from an irrigated field in an experiment conducted in semi-arid northwestern China in 2016-2018. Three cropping systems for annual spring wheat (Triticum aestivum L.)/maize (Zea mays L.) strip intercropping (W/M), a two-year wheat-winter rape-maize rotation (WRM), and a two-year wheat-maize rotation (WM)) were each evaluated with two tillage methods (conventional tillage without wheat straw retention (CT) and no-tillage with 25-30 cm tall wheat straw (NT)). The mean rate of soil erosion by wind with NT was 18.9% to 36.2% less than that with CT. With increasing wind velocity, the rate of soil erosion by wind increased for both CT and NT but was faster with CT than NT. Soil wind erosion occurred with a wind velocity >= 14 m s(-1), and NT greatly decreased the rate of soil erosion when wind velocity exceeded 14 m s(-1). W/M, WRM, and WM with NT increased non-erodible aggregates by 53.7%, 53.7%, and 54.9% in 2017, and 51.3%, 49.6% and 44.6% in 2018, respectively, than conventional tillage. At a height of 0-20 cm, the rate of soil transport with CT decreased with increasing height. The volume of soil transport at a height of 0-4 cm and soil transport percentage at a height of 0-4 and 0-20 cm (Q(0-4)/Q(0-20)) with NT were less than with CT. These findings show that NT with cropping system intensification can be an effective strategy for resisting wind erosion in irrigated semi-arid regions, thereby reducing the negative environmental impacts of crop production.
英文关键词	soil wind erosion crop rotation intercropping no tillage wind-sand flow structure
类型	Article
语种	英语
国家	Peoples R China ; USA
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000541750900057
WOS关键词	THRESHOLD FRICTION VELOCITY ; TUNNEL SIMULATION ; INNER-MONGOLIA ; SOIL-EROSION ; DUST ; LAND ; SUSCEPTIBILITY ; ERODIBILITY ; DYNAMICS ; FLUX
WOS类目	Agronomy ; Plant Sciences
WOS研究方向	Agriculture ; Plant Sciences
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/319378
作者单位	1.Gansu Agr Univ, Gansu Prov Key Lab Aridland Crop Sci, Coll Forestry, Lanzhou 730070, Peoples R China; 2.Univ Minnesota, Dept Agron & Plant Genet, St Paul, MN 55108 USA; 3.Gansu Agr Univ, Gansu Prov Key Lab Aridland Crop Sci, Coll Agron, Lanzhou 730070, Peoples R China
推荐引用方式 GB/T 7714	Yang, Caihong,Geng, Yanxiang,Fu, Xing Zhou,et al. The Effects of Wind Erosion Depending on Cropping System and Tillage Method in a Semi-Arid Region[J],2020,10(5).
APA	Yang, Caihong,Geng, Yanxiang,Fu, Xing Zhou,Coulter, Jeffrey A.,&Chai, Qiang.(2020).The Effects of Wind Erosion Depending on Cropping System and Tillage Method in a Semi-Arid Region.AGRONOMY-BASEL,10(5).
MLA	Yang, Caihong,et al."The Effects of Wind Erosion Depending on Cropping System and Tillage Method in a Semi-Arid Region".AGRONOMY-BASEL 10.5(2020).