干旱区生态环境知识资源中心(Arid): Impact of Climatic Factors and Nitrogen Levels Drivers on Crop Yield in the Arid Region of China

Arid

DOI	10.1007/s42106-020-00107-3
	Impact of Climatic Factors and Nitrogen Levels Drivers on Crop Yield in the Arid Region of China
	Geng, Qinglong 1; Aizizi, Amanguli 2; Lai, Ning 1; Li, Qingjun 1; Chen, Shuhuang 1
通讯作者	Chen, Shuhuang
来源期刊	INTERNATIONAL JOURNAL OF PLANT PRODUCTION
ISSN	1735-6814
EISSN	1735-8043
出版年	2020
卷号	14 期号:4 页码:635-645
英文摘要	Crop production depends on the interaction of climatic factors and agricultural management, such as nitrogen (N) fertilizer input in agricultural ecosystems. Understanding crop yield responses to climatic factors and N fertilizer supply can help select appropriate cultivars and develop appropriate measures to achieve the high and stable crop yield. In this study, a long-term N fertilizer experiment was conducted consisting of two crops (winter wheat and summer maize) from 1992 to 2014, to investigate the crop yield response to climatic factors and N treatments in Hotan, Xinjiang Uygur autonomous region. A long-term N supplied and without N supplied treatments significantly affect the soil properties and crop yields. It was found that low N stress significantly reduced the grain yield ranged from 33.1 to 76.4% and 26.8 to 69.3% for winter wheat and summer maize respectively. The grain N concentration was significantly reduced with the increase in N stress. There was positive correlation between crop yield and accumulated temperature (R-2 = 0.58, P < 0.001) under high N conditions, and negative correlation (R-2 = 0.50, P < 0.001) under low N conditions. Our result shows that the accumulated temperature is gradually increasing from 4051 to 5218 degrees C year(-1)in the past 23 years (1992-2014) in Xinjiang Uygur autonomous region. Under sufficient N supplied conditions, the increase of accumulated temperature positively promote crop yields. However, under N deficient conditions, increasing accumulated temperature will further exacerbate the N stress effect and reduce crop yields. Hence, we recommended sufficient N fertilizer input in Hotan, Xinjiang region, which can maintain higher crop yield.
英文关键词	Grain yield Dry matter weight Nitrogen concentration Accumulated temperature Low nitrogen stress
类型	Article
语种	英语
国家	Peoples R China
收录类别	SCI-E
WOS记录号	WOS:000541333300001
WOS关键词	LONG-TERM ; USE EFFICIENCY ; MAIZE HYBRIDS ; GROWTH
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/2XILL650/319615
作者单位	1.Xinjiang Acad Agr Sci, Inst Soil Fertilizer & Agr Water Conservat, 403 Nanchang Rd, Urumqi 830091, Xinjiang, Peoples R China; 2.Xinjiang Soil & Fertilizer Stn, 171 Shengli Rd, Urumqi 830049, Xinjiang, Peoples R China
推荐引用方式 GB/T 7714	Geng, Qinglong,Aizizi, Amanguli,Lai, Ning,et al. Impact of Climatic Factors and Nitrogen Levels Drivers on Crop Yield in the Arid Region of China[J],2020,14(4):635-645.
APA	Geng, Qinglong,Aizizi, Amanguli,Lai, Ning,Li, Qingjun,&Chen, Shuhuang.(2020).Impact of Climatic Factors and Nitrogen Levels Drivers on Crop Yield in the Arid Region of China.INTERNATIONAL JOURNAL OF PLANT PRODUCTION,14(4),635-645.
MLA	Geng, Qinglong,et al."Impact of Climatic Factors and Nitrogen Levels Drivers on Crop Yield in the Arid Region of China".INTERNATIONAL JOURNAL OF PLANT PRODUCTION 14.4(2020):635-645.