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Nitrogen in Agricultural Systems: Implications for Conservation Policy
关键词:
regulation
年份:
2011
摘要:
and assesses changes in nutrient management by farmers that may improve nitroge ...
Effects of Increased Biofuels on the U.S. Economy in 2022
关键词:
Bioenergy economywide ethanol petroleum trade macroeconomics computable general equilibrium model
年份:
2010
摘要:
Achieving greater energy security by reducing dependence on foreign petroleum is ...
Tobacco and the Economy: Farms, Jobs, and Communities
关键词:
tobacco tobacco income tobacco industry tobacco farmers
年份:
2000
摘要:
Public health policies intended to reduce the incidence of smoking-rela ...

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