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Natural Resources, Agricultural Productivity, and Food Security

自然资源,农业生产力和粮食安全

【作       者】:

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【机       构】: 美国农业部
【承研机构】:

【原文地址】: https://www.ers.usda.gov/publications/pub-details/?pubid=42362
【发表时间】:

2001-04-01

摘要

This issue brief describes ERS research on international differences in the quality of natural resources and their effects on agricultural productivity and food security.

标签: {{b}}
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