Abstract
The Grain for Green Project (GGP) has been implemented for 17 years, promoted the regional environment significantly, but the impact on local food production is still an issue worth studying. This paper analysed the temporal and spatial variations of grain production in the Loess Plateau of China, using county-level statistics from 2000 to 2012. The results showed that the total grain yield and the unit area grain yield was continuously improved while the grain planting area was declined, which showed that ecological construction does not affect grain production. Besides, the regional differentiation of grain production efficiency in the Loess Plateau was decreasing.
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Claims 4
Claim · model-written summary
Total grain yield and unit-area grain yield in the Loess Plateau continuously improved from 2000 to 2012.
Verbatim
e0“the total grain yield and the unit area grain yield was continuously improved while the grain planting area was declined”
e1“in the Loess Plateau of China, using county-level statistics from 2000 to 2012”
Claim · model-written summary
Grain planting area in the Loess Plateau declined from 2000 to 2012.
Verbatim
e0“the total grain yield and the unit area grain yield was continuously improved while the grain planting area was declined”
e1“in the Loess Plateau of China, using county-level statistics from 2000 to 2012”
Claim · model-written summary
Ecological construction, the Grain for Green Project, was associated with no effect on grain production.
Not reportedDirection
Verbatim
e2“which showed that ecological construction does not affect grain production”
Claim · model-written summary
Regional differentiation of grain production efficiency in the Loess Plateau was decreasing.
Verbatim
e3“the regional differentiation of grain production efficiency in the Loess Plateau was decreasing”