干旱区生态环境知识资源中心(Arid): Crop yield and water productivity under salty water irrigation: A global meta-analysis

Arid

DOI	10.1016/j.agwat.2021.107105
	Crop yield and water productivity under salty water irrigation: A global meta-analysis
	Cheng, Minghui; Wang, Haidong; Fan, Junliang; Wang, Xiukang; Sun, Xin; Yang, Ling; Zhang, Shaohui; Xiang, Youzhen; Zhang, Fucang
通讯作者	Wang, HD ; Fan, JL ; Zhang, FC (corresponding author), Northwest A&F Univ, Coll Water Resources & Architectural Engn, Yangling 712100, Shaanxi, Peoples R China.
来源期刊	AGRICULTURAL WATER MANAGEMENT
ISSN	0378-3774
EISSN	1873-2283
出版年	2021
卷号	256
英文摘要	Due to the declining availability of freshwater resources to agricultural systems especially in arid and semi-arid regions, marginal quality water resources (e.g., brackish or saline water) are getting more attention for irrigation. For optimal management and long-term productivity, the knowledge on responses of crop yield, water productivity (WP) and irrigation water productivity (IWP) to salty water irrigation under different crop types, soil properties, irrigation management practices and climate environments is needed. Here, a global meta-analysis of 1151 comparisons from 120 publications was adopted to systematically analyze the responses of crop yield, WP and IWP to salty water irrigation. Overall, salty water irrigation significantly decreased crop yield (-17.3%), WP (-12.4%) and IWP (-10.8%) compared to fresh water irrigation. Compared with brackish water irrigation (irrigation water electrical conductivity (ECi) <= 3.0 dS m(-1)), saline water irrigation (ECi: 3.0-15.7 dS m(-1)) caused larger reductions of crop yield, WP and IWP. Cotton performed best under saline water irrigation (ECi: 3.0-15.7 dS m(-1)), followed by wheat, maize, tomato and pepper. Brackish water irrigation (ECi <= 3.0 dS m(-1)) did not cause significant differences in the percentage decreases of crop yield and WP among the five crops. Brackish water irrigation performed best in the medium soil, and the percentage changes of crop yield, WP and IWP were -10.1%, -13.2% and 23.5%, respectively. Decreased soil bulk density and increased soil pH significantly increased crop yield regardless of irrigation water salinity. Farmers in semi-humid regions (MAP: 400-800 mm) and applying drip irrigation were more possible to obtain higher crop yield under salty water irrigation. The percentage changes of WP and IWP of salty water irrigation were smaller under drip irrigation than those under furrow irrigation. These results can help to optimize salty water irrigation management practices.
英文关键词	Brackish water Saline water Crop yield Water productivity Irrigation water productivity
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000691196200002
WOS关键词	COST DRIP IRRIGATION ; SALINE WATER ; USE EFFICIENCY ; MANAGEMENT-PRACTICES ; NUTRIENT SOLUTION ; BRACKISH-WATER ; SOIL-SALINITY ; TOMATO ; TOLERANCE ; GROWTH
WOS类目	Agronomy ; Water Resources
WOS研究方向	Agriculture ; Water Resources
来源机构	西北农林科技大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/362379
作者单位	[Cheng, Minghui; Wang, Haidong; Fan, Junliang; Sun, Xin; Yang, Ling; Zhang, Shaohui; Xiang, Youzhen; Zhang, Fucang] Northwest A&F Univ, Key Lab Agr Soil & Water Engn Arid & Semiarid Are, Minist Educ, Yangling 712100, Shaanxi, Peoples R China; [Cheng, Minghui; Wang, Haidong; Fan, Junliang; Sun, Xin; Yang, Ling; Zhang, Shaohui; Xiang, Youzhen; Zhang, Fucang] Northwest A&F Univ, Coll Water Resources & Architectural Engn, Yangling 712100, Shaanxi, Peoples R China; [Wang, Xiukang] Yanan Univ, Coll Life Sci, Yanan 716000, Peoples R China
推荐引用方式 GB/T 7714	Cheng, Minghui,Wang, Haidong,Fan, Junliang,et al. Crop yield and water productivity under salty water irrigation: A global meta-analysis[J]. 西北农林科技大学,2021,256.
APA	Cheng, Minghui.,Wang, Haidong.,Fan, Junliang.,Wang, Xiukang.,Sun, Xin.,...&Zhang, Fucang.(2021).Crop yield and water productivity under salty water irrigation: A global meta-analysis.AGRICULTURAL WATER MANAGEMENT,256.
MLA	Cheng, Minghui,et al."Crop yield and water productivity under salty water irrigation: A global meta-analysis".AGRICULTURAL WATER MANAGEMENT 256(2021).