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Trends and Developments in Hog Manure Management: 1998-2009
关键词:
Hog production manure management structural change environmental regulation
年份:
2011
摘要:
1998 to 2009 collected in three national surveys of hog farmers. Over ...
Impacts of Higher Energy Prices on Agriculture and Rural Economies
关键词:
Impacts of Higher Energy Prices on Agriculture and Rural Economies
年份:
2011
摘要:
s of a case study on the economic implications for the farm sector of e ...

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