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Economic Effects and Responses to Changes in Honey Bee Health
关键词:
pollination services fees honey bees cost of production Colony Collapse Disorder
年份:
2018
摘要:
become more costly and less available. This study provides an overview ...
Ownership of Oil and Gas Rights: Implications for U.S. Farm Income and Wealth
关键词:
oil and gas farm income and wealth split estate
年份:
2018
摘要:
With the shale revolution, annual oil and gas production grew by 69 percent in 2 ...

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