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Evaluations on the Potential Productivity of Winter Wheat Based on Agro-ecological Zone in the World : Volume Xl-7/W3, Issue 1 (28/04/2015)

By Wang, H.

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Book Id: WPLBN0004015836
Format Type: PDF Article :
File Size: Pages 5
Reproduction Date: 2015

Title: Evaluations on the Potential Productivity of Winter Wheat Based on Agro-ecological Zone in the World : Volume Xl-7/W3, Issue 1 (28/04/2015)  
Author: Wang, H.
Volume: Vol. XL-7/W3, Issue 1
Language: English
Subject: Science, Isprs, International
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus Publications
Historic
Publication Date:
2015
Publisher: Copernicus Publications, Göttingen, Germany
Member Page: Copernicus Publications

Citation

APA MLA Chicago

Li, D., Zhao, L., Li, Q., Wang, H., Liu, J., Lu, Y., & Du, X. (2015). Evaluations on the Potential Productivity of Winter Wheat Based on Agro-ecological Zone in the World : Volume Xl-7/W3, Issue 1 (28/04/2015). Retrieved from http://www.ebooklibrary.org/


Description
Description: Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Datun Road, Chaoyang District, Beijing 100101, China. Wheat is the most widely grown crop globally and an essential source of calories in human diets. Maintaining and increasing global wheat production is therefore strongly linked to food security. In this paper, the evaluation model of winter wheat potential productivity was proposed based on agro-ecological zone and the historical winter wheat yield data in recent 30 years (1983-2011) obtained from FAO. And the potential productions of winter wheat in the world were investigated. The results showed that the realistic potential productivity of winter wheat in Western Europe was highest and it was more than 7500 kg/hm2. The realistic potential productivity of winter wheat in North China Plain were also higher, which was about 6000 kg/hm2. However, the realistic potential productivity of winter wheat in the United States which is the main winter wheat producing country were not high, only about 3000 kg/hm2. In addition to these regions which were the main winter wheat producing areas, the realistic potential productivity in other regions of the world were very low and mainly less than 1500 kg/hm2, like in southwest region of Russia. The gaps between potential productivity and realistic productivity of winter wheat in Kazakhstan and India were biggest, and the percentages of the gap in realistic productivity of winter wheat in Kazakhstan and India were more than 40%. In Russia, the gap between potential productivity and realistic productivity of winter wheat was lowest and the percentage of the gap in realistic productivity of winter wheat in Russia was only 10%.

Summary
Evaluations on the potential productivity of winter wheat based on agro-ecological zone in the world

 

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