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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Journal Article

Impact of growing season temperature on wheat productivity in China  [2009]

You, Liangzhi; Rosegrant, Mark W.; Wood, Stanley; Sun, Dongsheng;

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Climate change continues to have major impact on crop productivity all over the world. Many researchers have evaluated the possible impact of global warming on crop yields using mainly indirect crop simulation models. Here we use a 1979-2000 Chinese crop-specific panel dataset to investigate the climate impact on Chinese wheat yield growth. We find that a 1°C increase in wheat growing season temperature reduces wheat yields by about 3-10%. This negative impact is less severe than those reported in other regions. Rising temperature over the past two decades accounts for a 4.5% decline in wheat yields in China while the majority of the wheat yield growth, 64%, comes from increased use of physical inputs. We emphasize the necessity of including such major influencing factors as physical inputs into the crop yield-climate function in order to have an accurate estimation of climate impact on crop yields.
From the journal
Agricultural and forest meteorology
ISSN : 0168-1923

Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2013
Volume:
149
Issue:
6-7
Start Page:
1009
End Page:
1014
Publisher:
[Oxford]: Elsevier Science Ltd.
All titles:
"Impact of growing season temperature on wheat productivity in China"@eng
Other:
"Includes references"
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2013
Volume:
149
Issue:
6-7
Start Page:
1009
End Page:
1014
Publisher:
[Oxford]: Elsevier Science Ltd.
All titles:
"Impact of growing season temperature on wheat productivity in China"@eng
Other:
"Includes references"