干旱区生态环境知识资源中心(Arid): Ridge-furrow film mulching improves water and nitrogen use efficiencies under reduced irrigation and nitrogen applications in wheat field

Arid

DOI	10.1016/j.fcr.2021.108214
	Ridge-furrow film mulching improves water and nitrogen use efficiencies under reduced irrigation and nitrogen applications in wheat field
	Gu, Xiaobo; Cai, Huanjie; Chen, Pengpeng; Li, Yupeng; Fang, Heng; Li, Yuannong
通讯作者	Cai, HJ ; Li, YN (corresponding author), 23 Weihui Rd, Yangling 712100, Shaanxi, Peoples R China.
来源期刊	FIELD CROPS RESEARCH
ISSN	0378-4290
EISSN	1872-6852
出版年	2021
卷号	270
英文摘要	Ridge-furrow film mulching (RF) is an effective planting pattern to harvest rainwater, reduce evaporation, increase root-zone soil moisture and improve crop yield in arid regions of northwest China. Compared to flat planting without film mulching (FP), RF significantly enhances the yield and water and nitrogen (N) use efficiencies of winter wheat under the same irrigation and N inputs. However, whether RF can boost or maintain yield, water use efficiency (WUE) and N use efficiency (NUE) of winter wheat with less irrigation and N supply remains unclear. Moreover, the irrigation-saving and N reduction potential for RF under different climatic (wet, normal and drought) years is unknown. From 2013-2016, field experiments with treatments of different planting patterns (RF and FP), irrigation (0, 90 and 180 mm; represented as I0, I1 and I2, respectively) and N (0, 140 and 210 kg ha-1; represented as N0, N1 and N2, respectively) application amounts were conducted to analyze the growth and physiological characteristics, yield, WUE and NUE of winter wheat. The results showed that the leaf area index, aboveground dry matter, leaf chlorophyll content and net photosynthetic rate were greatest for RFI2N2 (RF with 180 mm irrigation and 210 kg N ha-1) during the whole winter-wheat growing seasons. Eventually, RFI2N2 obtained 9.3-74.1 %, 19.5-81.1 % and 23.8-92.2 % significantly greater yield than other treatments in wet and cool, normal rainfall and temperature, and drought and heat years, respectively. Relative to FPI2N2 (FP with 180 mm irrigation and 210 kg N ha-1, and FPI2N2 is local conventional agricultural management for winter wheat), the irrigation and N reduction potential for RF differed for the three levels of annual rainfall. Treatment RFI0N1 (RF with no irrigation and 140 kg N ha-1) in wet and cool, and normal rainfall and temperature years, and RFI1N1 (RF with 90 mm irrigation and 140 kg N ha-1) in drought and heat years, had almost equal winter wheat yield, and achieved significantly greater WUE and NUE than FPI2N2. In addition, in wet and cool, and normal rainfall and temperature years, RFI1N1 had 14.6-17.7 %, 5.0-10.0 % and 16.2-30.5 % significantly greater yield, WUE and NUE than RFI0N1. Therefore, RFI1N1 could be considered as a favorable management for sustainable intensification of winter wheat production in northwest China, especially in drought and heat years and in areas where water resources are relatively abundant.
英文关键词	Climatic year type Photosynthetic rate Irrigation-saving Nitrogen reduction Nitrogen use efficiency
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000675892800001
WOS关键词	BRASSICA-NAPUS L. ; WINTER-WHEAT ; CROP PRODUCTION ; FERTILIZER APPLICATION ; CLIMATE-CHANGE ; DRYLAND AREAS ; PLASTIC FILM ; MAIZE YIELD ; SEED YIELD ; POTATO
WOS类目	Agronomy
WOS研究方向	Agriculture
来源机构	西北农林科技大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/363231
作者单位	[Gu, Xiaobo; Cai, Huanjie; Chen, Pengpeng; Li, Yupeng; Fang, Heng; Li, Yuannong] Northwest A&F Univ, Key Lab Agr Soil & Water Engn Arid & Semiarid Are, Minist Educ, Yangling 712100, Shaanxi, Peoples R China
推荐引用方式 GB/T 7714	Gu, Xiaobo,Cai, Huanjie,Chen, Pengpeng,et al. Ridge-furrow film mulching improves water and nitrogen use efficiencies under reduced irrigation and nitrogen applications in wheat field[J]. 西北农林科技大学,2021,270.
APA	Gu, Xiaobo,Cai, Huanjie,Chen, Pengpeng,Li, Yupeng,Fang, Heng,&Li, Yuannong.(2021).Ridge-furrow film mulching improves water and nitrogen use efficiencies under reduced irrigation and nitrogen applications in wheat field.FIELD CROPS RESEARCH,270.
MLA	Gu, Xiaobo,et al."Ridge-furrow film mulching improves water and nitrogen use efficiencies under reduced irrigation and nitrogen applications in wheat field".FIELD CROPS RESEARCH 270(2021).