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共检索到49条 ,权限内显示50条;

Major Uses of Land in the United States, 2002
- 关键词:
- Land use
- 年份:
- 2006
- 摘要:
- This publication presents the results of the latest (2002) inventory of U.S. maj ...

Agricultural Resources and Environmental Indicators, 2006 Edition
- 关键词:
- land use
- 年份:
- 2006
- 摘要:
- These chapters describe trends in resources used in and affected by agricultural ...

Environmental Effects of Agricultural Land-Use Change: The Role of Economics and Policy
- 关键词:
- erosion
- 年份:
- 2006
- 摘要:
- This report examines evidence on the relationship between agricultural land- ...

Technical Documentation of the Regional Manure Management Model for the Chesapeake Bay Watershed
- 关键词:
- land application
- 年份:
- 2005
- 摘要:
- guidelines for farmland application of manure on the costs of hauling ...

Economics of Sequestering Carbon in the U.S. Agricultural Sector
- 关键词:
- Carbon sequestration greenhouse gas mitigation afforestation no-till incentive design leakage carbon stock permanence
- 年份:
- 2004
- 摘要:
- . This report analyzes the performance of alternative incentive designs and paym ...

Agricultural Resources and Environmental Indicators, 2003
- 关键词:
- land use
- 年份:
- 2003
- 摘要:
- This report identifies trends in land, water, and biological resources and comme ...

Linking Land Quality, Agricultural Productivity, and Food Security
- 关键词:
- soil erosion
- 年份:
- 2003
- 摘要:
- As rising populations and incomes increase pressure on land and other resources ...

Manure Management for Water Quality: Costs to Animal Feeding Operations of Applying Manure Nutrients to Land
- 关键词:
- land application
- 年份:
- 2003
- 摘要:
- Nutrients from livestock and poultry manure are key sources of water pollution. ...

Major Uses of Land in the United States, 1997
- 关键词:
- Land use
- 年份:
- 2001
- 摘要:
- This report provides land use estimates for major land uses in ...

Agri-Environmental Policy at the Crossroads: Guideposts on a Changing Landscape
- 关键词:
- soil erosion
- 年份:
- 2001
- 摘要:
- al implications of agricultural production have been implemented at the Federal ...