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资源类型: 外文期刊
作者:Tang, HJ(精确检索)
作者:van Ranst, E(精确检索)
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1Is highly intensive agriculture environmentally sustainable? A case study from Fugou County, China

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来源:JOURNAL OF SUSTAINABLE AGRICULTURE

关键词: cool dry steppe climate environmental indicators food security multiple cropping North China plain soil fertility

年份:2005

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