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U.S. Hog Production From 1992 to 2009: Technology, Restructuring, and Productivity Growth
关键词:
scale of production
年份:
2013
摘要:
U.S. hog farm numbers dropped by 70 percent over 1991-2009 while hog inventories ...
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:
e of nutrient management plans and of practices such as controlled manure applic ...
Changes in Manure Management in the Hog Sector: 1998-2004
关键词:
scale of production
年份:
2009
摘要:
with the scale of production and how these practices evolved ...
The Changing Economics of U.S. Hog Production
关键词:
scale of production
年份:
2007
摘要:
in the scale of production and technological innovation. Prod ...

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