Agriculture & Biology
animal manure management
84%
nitrous oxide production
83%
methane
59%
nitrous oxide
52%
animals
25%
animal manures
24%
land application
14%
anaerobic digestion
11%
ammonia
8%
manure storage
7%
urease inhibitors
7%
injection
7%
biofilters
7%
nitrification inhibitors
7%
grazing intensity
6%
nutrient balance
6%
grazing systems
6%
nitrification
6%
cold season
6%
infiltration (hydrology)
5%
cover crops
5%
organic carbon
5%
nutrient requirements
5%
combustion
5%
soil
5%
composts
5%
byproducts
4%
storage time
4%
temperature
4%
gases
3%
oxidation
3%
water content
3%
uptake mechanisms
3%
farms
3%
nitrogen
2%
crops
2%
diet
2%
methodology
1%
Medicine & Life Sciences
Manure
100%
Methane
84%
Nitrous Oxide
72%
Animals
30%
Nitrification
28%
Ammonia
17%
Soil
16%
Digestion
14%
Nutrients
13%
Composting
12%
Temperature
11%
Urease
9%
Practice Management
9%
Injections
8%
Farms
8%
Fertilization
8%
Carbon
7%
Nitrogen
7%
Cold Temperature
6%
Gases
6%
Data Analysis
5%
Diet
5%