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Rattan Lal & B.A. Stewart 
Food Security and Soil Quality [PDF ebook] 

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Just five years ago, it was generally believed that the number of food insecure people in the world was on continuous decline. Unfortunately, widespread soil degradation along with resistance to recommended agronomic practices, and little attempt to restore degraded soils have conspired with significant droughts (in regions that could least tolerat

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语言 英语 ● 格式 PDF ● 网页 430 ● ISBN 9781439800584 ● 编辑 Rattan Lal & B.A. Stewart ● 出版者 CRC Press ● 发布时间 2010 ● 下载 3 时 ● 货币 EUR ● ID 7353138 ● 复制保护 Adobe DRM
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