干旱区生态环境知识资源中心(Arid): Evapotranspiration and Quantitative Partitioning of Spring Maize with Drip Irrigation under Mulch in an Arid Region of Northwestern China

Arid

DOI	10.3390/w13223169
	Evapotranspiration and Quantitative Partitioning of Spring Maize with Drip Irrigation under Mulch in an Arid Region of Northwestern China
	Xuan, Chenggong; Ding, Risheng; Shao, Jie; Liu, Yanshuo
通讯作者	Ding, RS (corresponding author), China Agr Univ, Ctr Agr Water Res China, Beijing 100083, Peoples R China. ; Ding, RS (corresponding author), Natl Field Sci Observ & Res Stn Efficient Water U, Wuwei 733009, Peoples R China.
来源期刊	WATER
EISSN	2073-4441
出版年	2021
卷号	13 期号:22
英文摘要	To examine evapotranspiration (ETc), soil evaporation (E-s), and transpiration (T-r), and partitioning of ETc, a two-year field experiment was carried out in a maize field with drip irrigation under mulch in an arid region of northwestern China in 2017 and 2018. In the experiment we designed two treatments with full irrigation (T1) and growth stage-based strategic regulated deficit irrigation (T2). The applied irrigation of T2 was 40% of the T1 during both late vegetative and reproductive growth stages. Based on the measurements of soil water content (SWC) and T-r, a dual crop coefficient model (SIMDualK(c)) was calibrated and validated, and daily ETc, E-s, and T-r were estimated. The model can simulate well the dynamic variations of SWC and T-r. The calibrated basic crop coefficient at the initial, mid-season, and end growth stages was 0.2, 1.15, and 0.75, respectively. The ETc was 507.9 and 519.1 mm for the T1 treatment, and 428.9 and 430.9 mm for the T2 treatment. The ratios of T-r to ETc were higher for the two treatments, ~90%, for two years. Collectively, both drip irrigation under mulch and strategic deficit irrigation after canopy covering of the ground can significantly reduce the ineffective proportion of ETc and E-s.
英文关键词	evapotranspiration transpiration maize drip irrigation under mulch strategic deficit irrigation
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:000724958000001
WOS关键词	CROP COEFFICIENT APPROACH ; WATER-USE EFFICIENCY ; SOIL EVAPORATION ; DEFICIT IRRIGATION ; YIELD PREDICTION ; WINTER-WHEAT ; MODEL ; TRANSPIRATION ; FIELD ; QUANTIFICATION
WOS类目	Environmental Sciences ; Water Resources
WOS研究方向	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/2XILL650/373757
作者单位	[Xuan, Chenggong; Ding, Risheng; Shao, Jie; Liu, Yanshuo] China Agr Univ, Ctr Agr Water Res China, Beijing 100083, Peoples R China; [Xuan, Chenggong; Ding, Risheng; Shao, Jie; Liu, Yanshuo] Natl Field Sci Observ & Res Stn Efficient Water U, Wuwei 733009, Peoples R China
推荐引用方式 GB/T 7714	Xuan, Chenggong,Ding, Risheng,Shao, Jie,et al. Evapotranspiration and Quantitative Partitioning of Spring Maize with Drip Irrigation under Mulch in an Arid Region of Northwestern China[J],2021,13(22).
APA	Xuan, Chenggong,Ding, Risheng,Shao, Jie,&Liu, Yanshuo.(2021).Evapotranspiration and Quantitative Partitioning of Spring Maize with Drip Irrigation under Mulch in an Arid Region of Northwestern China.WATER,13(22).
MLA	Xuan, Chenggong,et al."Evapotranspiration and Quantitative Partitioning of Spring Maize with Drip Irrigation under Mulch in an Arid Region of Northwestern China".WATER 13.22(2021).