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热门报告
共检索到36条 ,权限内显示50条;
USDA ERS - Irrigation Organizations: Water Inflows and Outflows
- 关键词：
- water inflows water outflows irrigation delivery organizations Survey of Irrigation Organizations water marketing
- 年份：
- Augu
- 摘要：
- cropland in the United States. This report examines these delivery org ...
Major Uses of Land in the United States, 2017
- 关键词：
- Land use land use change agricultural land nonagricultural land cropland forest-use land forestland pasture rangeland urban land
- 年份：
- 2024
- 摘要：
- on acres (29 percent of the U.S. total), forest-use land at 622 million acres (2 ...
Farmland Rental and Conservation Practice Adoption
- 关键词：
- land tenure conservation behavior and practice adoption cropland tenancy rental agreement ARMS TOTAL survey
- 年份：
- 2024
- 摘要：
- This report explores patterns across cropland owner-operators and c ...
Scenarios of Global Food Consumption: Implications for Agriculture
- 关键词：
- Scenarios food calories crop calories food balance sheets general equilibrium International Comparison Program agricultural productivity land use crop yield consumer demand
- 年份：
- 2023
- 摘要：
- , with most of the adjustment through increases in crop yield (intensification). ...
Irrigation Organizations: Water Inflows and Outflows
- 关键词：
- water inflows water outflows irrigation delivery organizations Survey of Irrigation Organizations water marketing
- 年份：
- 2023
- 摘要：
- cropland in the United States. This report examines these delivery org ...
USDA ERS - Cover Crop Trends, Programs, and Practices in the United States
- 关键词：
- Cover crop conservation practice soil health conservation program financial assistance erosion tillage
- 年份：
- 2021
- 摘要：
- On U.S. cropland, the use of cover crops increased by 50 percent betwee ...
Cover Crop Trends, Programs, and Practices in the United States
- 关键词：
- Cover crop conservation practice soil health conservation program financial assistance erosion tillage
- 年份：
- 2021
- 摘要：
- On U.S. cropland, the use of cover crops increased by 50 percent betwee ...
Japan: Major Cropland Support Payment Programs Operated by MAFF
- 关键词：
- 年份：
- 2021
- 摘要：
- This report summarizes the major cropland support payment programs oper ...
Reducing Nutrient Losses From Cropland in the Mississippi/Atchafalaya River Basin: Cost Efficiency and Regional Distribution
- 关键词：
- hypoxia targeting compliance Gulf of Mexico Mississippi/Atchafalaya River Basin conservation practices wetlands buffers nitrogen reduction phosphorus reduction
- 年份：
- 2018
- 摘要：
- of achieving a 45-percent reduction in cropland nutrient loads to the ...
