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共检索到702条 ,权限内显示50条;
USDA Science Blueprint A Roadmap for USDA Science from 2020 to 2025
- 关键词：
- Sustainable Ag Intensifcation Ag Climate Adaptation Food and Nutrition Translation Value-Added Innovations Ag Science Policy Leadership
- 年份：
- 2020
- 摘要：
- by America’s farm and forest lands. As the world’s largest exporter of food, U. ...
Farmland Values, Land Ownership, and Returns to Farmland, 2000-2016
- 年份：
- 2018
- 摘要：
- The value of farm real estate accounts for over 80 percent of the value of farm- ...
Three Decades of Consolidation in U.S. Agriculture
- 关键词：
- Farm consolidation large farms family farms industrial agriculture agribusiness concentration in agriculture Agricultural Resources Management Survey ARMS Census of Agriculture
- 年份：
- 2018
- 摘要：
- e livestock sectors have seen dramatic structural change, but consolidation has ...
Ownership of Oil and Gas Rights: Implications for U.S. Farm Income and Wealth
- 年份：
- 2018
- 摘要：
- on farmland. Using data from USDA’s Tenure, Ownership, and Transition of Agricu ...
Major Uses of Land in the United States, 2012
- 关键词：
- Land use land-use change agricultural land nonagricultural land cropland forest-use land forestland pasture rangeland rural residential land
- 年份：
- 2017
- 摘要：
- ERS’s Major Land Uses series is the only inventory of all major uses of ...
Land Use, Land Cover, and Pollinator Health: A Review and Trend Analysis
- 年份：
- 2017
- 摘要：
- s the literature on the effects of land use on pollinator health and ex ...
International Trade and Deforestation: Potential Policy Effects via a Global Economic Model
- 关键词：
- Deforestation forest-risk products palm oil soybean beef wood products Argentina Brazil Paraguay Bolivia
- 年份：
- 2017
- 摘要：
- Increasing global population and demand for food have placed rising pressures on ...
Dedicated Energy Crops and Competition for Agricultural Land
- 年份：
- 2017
- 摘要：
- Crops that are grown strictly for energy use, such as switchgrass in the United ...
Farms and Land in Farms
- 年份：
- 2017
- 摘要：
- This annual full-text file presents data on the number of farms in operation,
...
Brazil's Agricultural Land Use and Trade: Effects of Changes in Oil Prices and Ethanol Demand
- 关键词：
- Brazil agriculture agricultural sector model agricultural commodities oil prices petroleum ethanol biofuels biofuel feedstocks cropping patterns
- 年份：
- 2016
- 摘要：
- Because the supply and demand for ethanol are inexorably linked to that of petro ...
