Keyphrases
Greenhouse Gas Emissions
100%
Crop Production
100%
Energy Use
100%
Grain Crops
100%
Agriculture
37%
Cropping System
37%
Crop Yield
37%
Organic System
37%
Conventional System
25%
Farming Systems
25%
Organic Management
25%
Synthetic Fertilizer
25%
Systems Projects
25%
Low Energy
12%
Management Strategy
12%
Energy Cost
12%
Mid-Atlantic Region
12%
Maryland
12%
Energy Requirement
12%
Nutrient Mining
12%
Industrial Processes
12%
Effective Management
12%
Zea Mays
12%
Environmental Impact
12%
Poultry Litter
12%
Energy Analysis
12%
Crop Rotation
12%
Energy Reduction
12%
Per Se
12%
Large Energy
12%
Medicago Sativa
12%
Total Energy
12%
Energy Allocation
12%
Allocation Method
12%
Glycine Max (L.) Merrill
12%
No-till Corn
12%
Triticum Aestivum
12%
Wheat Triticum Aestivum
12%
Organic Farming
12%
Mass Energy
12%
Agricultural Research
12%
Energy Gases
12%
Farm Power
12%
Agricultural Research Service
12%
Rotation Length
12%
Total Energy Use
12%
Beltsville
12%
Fertilizer Production
12%
Conventional Management
12%
Conventional Agriculture
12%
Agricultural and Biological Sciences
Crop Production
100%
Grain Crops
100%
Cropping System
42%
Grains
28%
Farming Systems
28%
Poultry Litter
14%
Soybean
14%
Conservation Tillage
14%
Organic Farming
14%
USDA
14%
Energy Requirement
14%
Medicago sativa
14%
Perennials
14%
Triticum aestivum
14%
Agricultural Research
14%
Agricultural Research Service
14%