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Agricultural Resources and Environmental Indicators, 2006 Edition
关键词:
water
年份:
2006
摘要:
These chapters describe trends in resources used in and affected by agricultural ...
Contributions of Nonalcoholic Beverages to the U.S. Diet
关键词:
nonalcoholic beverages nutrient intake cross-tabulations regression
年份:
2005
摘要:
ng at demographic variables such as household size, household income, education ...
Agricultural Resources and Environmental Indicators, 2003
关键词:
irrigation
年份:
2003
摘要:
This report identifies trends in land, water, and biological resources ...
China's Agricultural Water Policy Reforms: Increasing Investment, Resolving Conflicts, and Revising Incentives
关键词:
irrigation
年份:
2003
摘要:
This report documents the problem of water scarcity in parts of norther ...

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