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1Factors controlling regional grain yield in China over the last 20 years
作者:
机构:
来源:AGRONOMY FOR SUSTAINABLE DEVELOPMENT
关键词: China Cropland Grain yield Chemical fertilizer Rainfall Temperature
2Changes in regional grain yield responses to chemical fertilizer use in China over the last 20 years
作者:
机构:
来源:JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION
关键词: Cropland; grain yield; soil productivity; fertilizer; fertilizer-use efficiency
年份:2018
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