Changes in Manure Management in the Hog Sector: 1998-2004

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英文名称：

Changes in Manure Management in the Hog Sector: 1998-2004

作者：

Nigel Key; William D McBride; Marc Ribaudo

工作单位：

USDA's Economic Research Service

来源地址：

https://www.ers.usda.gov/publications/pub-details/?pubid=44372

关键词：

hog production;  manure management;  structural change;  scale of production;  contracts;  environmental regulation;  Agricultural Resource Management Survey (ARMS); 

年份：

2009

出版地：

Washington, DC, USA

总页数：

29 pp

语种：

English

摘要：

In recent years, structural changes in the hog sector, including increased farm size and regional shifts in production, have altered manure management practices. Also, changes to the Clean Water Act, State regulations, and increasing local conflicts over air quality issues, including odor, have influenced manure management decisions. This study uses data from two national surveys of hog farmers to examine how hog manure management practices vary with the scale of production and how these practices evolved between 1998 and 2004. Included are the effects of structural changes, recent policies on manure management technologies and practices, the use of nutrient management plans, and manure application rates. The findings suggest that larger hog operations are altering their manure management decisions in response to binding nutrient application constraints, and that environmental policy is contributing to the adoption of conservation compatible manure management practices.