干旱区生态环境知识资源中心(Arid): Establishment of Crop Water Stress Index for Sustainable Wheat Production under Climate Change in a Semi-Arid Region of Pakistan

Arid

DOI	10.3390/atmos13122008
	Establishment of Crop Water Stress Index for Sustainable Wheat Production under Climate Change in a Semi-Arid Region of Pakistan
	Khan, Muhammad Imran; Saddique, Qaisar; Zhu, Xingye; Ali, Sikandar; Ajaz, Ali; Zaman, Muhammad; Saddique, Naeem; Buttar, Noman Ali; Arshad, Rao Husnain; Sarwar, Abid
通讯作者	Zaman, M
来源期刊	ATMOSPHERE
EISSN	2073-4433
出版年	2022
卷号	13 期号:12
英文摘要	The Crop Water Stress Index (CWSI) is a useful tool for evaluating irrigation scheduling and achieving water conservation and crop yield goals. This study examined the CWSI under different water stress conditions for the scheduling of wheat crop irrigation and developed indices using the leaf canopy temperature in Faisalabad, Pakistan. The experiments were conducted using a randomized, complete block design and four irrigation treatments with deficit levels of D-0%, D-20%, and D-40% from the field capacity (FC) and D-100% (100% deficit level). The CWSI was determined at pre-heading and post-heading stages through the lower baseline (fully watered crop) and upper limit (maximum stress). These baselines were computed using the air temperature and canopy temperature of plant leaves and the vapor pressure deficit (VPD). The CWSI for each irrigation treatment was calculated and the average seasonal CWSI value for the whole season was used to develop the empirical relationships for scheduling irrigation. The relationships between the air canopy temperatures and the VPD resulted in slope (x) = -0.735 and interception (c) = -0.8731 as well as x = -0.5143 and c = -1.273 at the pre- and post-heading stages, respectively. The values of the CWSI for the treatment at deficit levels of D-0%, D-20%, D-40%, and D-100% were found to be 0.08, 0.61, 0.20, and 0.64, respectively. The CWSI values developed in this study can be effectively used to promote better the monitoring of irrigated wheat crops in the region.
英文关键词	canopy temperature irrigation scheduling growth stages wheat
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:000902103500001
WOS关键词	IRRIGATION ; YIELD ; MANAGEMENT ; COTTON ; TOOL
WOS类目	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/391937
推荐引用方式 GB/T 7714	Khan, Muhammad Imran,Saddique, Qaisar,Zhu, Xingye,et al. Establishment of Crop Water Stress Index for Sustainable Wheat Production under Climate Change in a Semi-Arid Region of Pakistan[J],2022,13(12).
APA	Khan, Muhammad Imran.,Saddique, Qaisar.,Zhu, Xingye.,Ali, Sikandar.,Ajaz, Ali.,...&Sarwar, Abid.(2022).Establishment of Crop Water Stress Index for Sustainable Wheat Production under Climate Change in a Semi-Arid Region of Pakistan.ATMOSPHERE,13(12).
MLA	Khan, Muhammad Imran,et al."Establishment of Crop Water Stress Index for Sustainable Wheat Production under Climate Change in a Semi-Arid Region of Pakistan".ATMOSPHERE 13.12(2022).