干旱区生态环境知识资源中心(Arid): Multi-growth stage regulated deficit irrigation improves maize water productivity in an arid region of China

Arid

DOI	10.1016/j.agwat.2024.108827
	Multi-growth stage regulated deficit irrigation improves maize water productivity in an arid region of China
	Jiao, Fengli; Ding, Risheng; Du, Taisheng; Kang, Jian; Tong, Ling; Gao, Jia; Shao, Jie
通讯作者	Ding, RS
来源期刊	AGRICULTURAL WATER MANAGEMENT
ISSN	0378-3774
EISSN	1873-2283
出版年	2024
卷号	297
英文摘要	Improving crop water productivity (WP) in the face of drought conditions and optimizing water allocation for irrigated crops are critical steps toward mitigating the challenges associated with agricultural water use. To investigate the effects of regulated deficit irrigation (RDI) at different growth stages on maize yield and WP, a 4year field experiment was conducted on spring maize under film drip irrigation from 2016 to 2019 in an arid region of northwest China. RDI significantly reduced plant height, leaf area index (LAI) and dry matter accumulation (DM). Notably, the moderate RDI treatment, denoted as 65/80ET (before and after / represent the irrigation volume relative to fully irrigation in the late vegetative and reproductive growth stages, respectively), reduced crop water consumption. This reduction was accompanied by the maintenance of relatively high grain yield and a significant increase in the harvest index, thereby resulting in a marked improvement in WP. In summary, the results of this study indicate that the 65/80ET treatment can effectively stabilize yield while improving efficiency. As such, it can be considered a viable RDI strategy for achieving water-saving, yield stability and enhanced efficiency in maize production.
英文关键词	Spring maize Regulated deficit irrigation Evapotranspiration Yield Crop water productivity
类型	Article
语种	英语
开放获取类型	hybrid
收录类别	SCI-E
WOS记录号	WOS:001290751300001
WOS关键词	USE EFFICIENCY ; GRAIN-YIELD ; DROUGHT STRESS ; WINTER-WHEAT ; RESPONSES ; NITROGEN ; PLANTS ; CROP ; PHOTOSYNTHESIS ; REMOBILIZATION
WOS类目	Agronomy ; Water Resources
WOS研究方向	Agriculture ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/402664
推荐引用方式 GB/T 7714	Jiao, Fengli,Ding, Risheng,Du, Taisheng,et al. Multi-growth stage regulated deficit irrigation improves maize water productivity in an arid region of China[J],2024,297.
APA	Jiao, Fengli.,Ding, Risheng.,Du, Taisheng.,Kang, Jian.,Tong, Ling.,...&Shao, Jie.(2024).Multi-growth stage regulated deficit irrigation improves maize water productivity in an arid region of China.AGRICULTURAL WATER MANAGEMENT,297.
MLA	Jiao, Fengli,et al."Multi-growth stage regulated deficit irrigation improves maize water productivity in an arid region of China".AGRICULTURAL WATER MANAGEMENT 297(2024).