干旱区生态环境知识资源中心(Arid): Winter Wheat Yield Gaps Across the Loess Plateau of China

Arid

DOI	10.1007/s42106-021-00170-4
	Winter Wheat Yield Gaps Across the Loess Plateau of China
	Zhang, Lingling; Feng, Hao; Cao, Hongxin
通讯作者	Cao, HX (corresponding author)，Jiangsu Acad Agr Sci, Inst Agr Informat, Nanjing 210014, Jiangsu, Peoples R China. ; Feng, H (corresponding author)，Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China.
来源期刊	INTERNATIONAL JOURNAL OF PLANT PRODUCTION
ISSN	1735-6814
EISSN	1735-8043
出版年	2022-03
英文摘要	The Loess Plateau is among the major winter wheat (Triticum aestivum L.) production areas of China. However, wheat production is uncertain across the Loess Plateau, and its potential for yield improvement remains unknown. In the present study, we divided winter wheat growing areas on the Loess Plateau into four climatic zones: arid (zone I), semi-arid (zone II), semi-humid (zone III), and humid (zone IV). Then, we used the validated Agricultural Production Systems Simulator (APSIM) to model Y-p (potential yield) and attainable yield (water-limited yield, Y-w; nitrogen-limited yield, Y-n) of winter wheat on the Loess Plateau from 1961 to 2016. The simulated means for weighted Y-p, Y-w, and Y-n were 8.87, 6.49, and 5.42 t ha(-1), respectively. Y-a reached only 57% of Y-p, which represents the amount of room available for yield improvement. Across the Loess Plateau, the yield gap caused by water limited (YGw) and nitrogen restricted (YGn) were 27% and 39% of potential wheat production. The difference between YGw (3.54 t ha(-1)) and YGn (3.87 t ha(-1)) was not significant in the semi-arid climate (zone II), due to low precipitation rates. Compared with irrigation, nitrogen deficiency was the key factor causing the winter wheat yield gap. However, the yield gap caused by nitrogen restriction varies regionally. Irrigation in arid (zone I) was more important than in the other climates, whereas these climate regions required nitrogen more pressing. Areas with a large potential for increased winter wheat yield on the Loess Plateau were mainly distributed in the semi-arid climate (zone II).
英文关键词	Winter wheat APSIM Yield gaps Climatic zones
类型	Article ; Early Access
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000764444900001
WOS关键词	NITROGEN-FERTILIZER ; POTENTIAL YIELDS ; CLIMATE-CHANGE ; GRAIN-YIELD ; LAND-USE ; MANAGEMENT ; WATER ; SYSTEMS ; IMPACTS ; MODEL
WOS类目	Agronomy
WOS研究方向	Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/377379
作者单位	[Zhang, Lingling; Cao, Hongxin] Jiangsu Acad Agr Sci, Inst Agr Informat, Nanjing 210014, Jiangsu, Peoples R China; [Feng, Hao] Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Lingling,Feng, Hao,Cao, Hongxin. Winter Wheat Yield Gaps Across the Loess Plateau of China[J],2022.
APA	Zhang, Lingling,Feng, Hao,&Cao, Hongxin.(2022).Winter Wheat Yield Gaps Across the Loess Plateau of China.INTERNATIONAL JOURNAL OF PLANT PRODUCTION.
MLA	Zhang, Lingling,et al."Winter Wheat Yield Gaps Across the Loess Plateau of China".INTERNATIONAL JOURNAL OF PLANT PRODUCTION (2022).