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共检索到6条 ,权限内显示50条;
Peaches and Nectarines: Global Growth in Production Slowing While Exports Plateau
- 关键词：
- 年份：
- 2023
- 摘要：
- t of the production occurring in central China. Slight annual declines since the ...
Economic Returns to Farming for U.S. Farm Households
- 关键词：
- returns to farming farm income income tax depreciation returns to labor and management family farms farmland values farm households Agricultural Resource Management Survey ARMS
- 年份：
- 2018
- 摘要：
- Slightly more than half of U.S. farm households report losses from their farm bu ...
The Profit Potential of Certified Organic Field Crop Production
- 关键词：
- corn wheat soybeans organic and conventional production average treatment-effect propensity-score matching regression with endogenous treatment-effects Agricultural Resource Management Survey (ARMS) production costs profitability
- 年份：
- 2015
- 摘要：
- differences between conventional and organic crop production systems. Findings ...
Economic Returns to Public Agricultural Research
- 关键词：
- Agriculture productivity productivity growth technology total factor productivity TFP research investments food input output
- 年份：
- 2007
- 摘要：
- Over the last several decades, the U.S. agricultural sector has sustained impres ...
Antimicrobial Drug Use and Veterinary Costs in U.S. Livestock Production
- 关键词：
- economic returns
- 年份：
- 2001
- 摘要：
- Feeding low levels of antimicrobial drugs to livestock affects food safety, huma ...
Agricultural Research and Development: Public and Private Investments Under Alternative Markets and Institutions
- 关键词：
- agricultural research CRADA's intellectual property rights research policy returns to research technology transfer
- 年份：
- 1996
- 摘要：
- Empirical studies indicate high economic returns from the public's inve ...
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