干旱区生态环境知识资源中心(Arid): Developing a policy-making for maximizing the water productivity in agricultural lands

Arid

DOI	10.2166/ws.2023.091
	Developing a policy-making for maximizing the water productivity in agricultural lands
	Fang, Jiangtao; Tang, Liyuan
通讯作者	Tang, LY
来源期刊	WATER SUPPLY
ISSN	1606-9749
EISSN	1607-0798
出版年	2023
卷号	23 期号:5 页码:2188-2196
英文摘要	Soil moisture content improvement is a key process in agricultural production and food security in arid and semi-arid regions. The interaction effect of crop water requirement (CWR) and soil texture on water productivity (WP) was evaluated in Harbin, Heilongjiang province, China. A field experiment with two scenarios of compost application (0, 25 ton/ha) and three levels of irrigation policies (deficit irrigation (DI = 0.75CWR), regular irrigation (RI = CWR), and full irrigation (FI = 1.25CWR)) was planned in three replications during the 2021-2022 year. Water productivity was simulated as a criterion to improve the irrigation time for increasing the final biomass. Four strategic crops including potato, corn, wheat, and barley were incorporated into the daily simulation system. Furthermore, a machine-learning random forest algorithm was used to find the best irrigation times. The results showed that the use of adjusted irrigation time and improved soil texture can increase water productivity by reducing evaporation and deep percolation and increasing actual biomass. Estimation of irrigation time in a learning-based method will be optimal when plant growth and soil moisture are monitored on a daily basis.
英文关键词	compost irrigation time least significant difference soil moisture
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000964801500001
WOS关键词	RIVER
WOS类目	Engineering, Environmental ; Environmental Sciences ; Water Resources
WOS研究方向	Engineering ; Environmental Sciences & Ecology ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/399167
推荐引用方式 GB/T 7714	Fang, Jiangtao,Tang, Liyuan. Developing a policy-making for maximizing the water productivity in agricultural lands[J],2023,23(5):2188-2196.
APA	Fang, Jiangtao,&Tang, Liyuan.(2023).Developing a policy-making for maximizing the water productivity in agricultural lands.WATER SUPPLY,23(5),2188-2196.
MLA	Fang, Jiangtao,et al."Developing a policy-making for maximizing the water productivity in agricultural lands".WATER SUPPLY 23.5(2023):2188-2196.