Earth & Environmental Sciences
agricultural waste
70%
soil amendment
69%
municipal waste
66%
digestion
56%
chemical oxygen demand
54%
biogas
42%
methane
33%
composting
30%
energy
28%
environmental liability
21%
substrate
19%
waste minimization
19%
biosolid
17%
nutrient content
17%
fecal coliform
16%
cotton
14%
anaerobic digestion
14%
rate
14%
manure
14%
fatty acid
13%
waste management
13%
landfill
12%
grass
12%
potassium
12%
phosphorus
10%
agriculture
10%
degradation
9%
nitrogen
8%
product
7%
analysis
3%
Engineering & Materials Science
Agricultural wastes
79%
Chemical oxygen demand
66%
Soils
45%
Biogas
40%
Composting
35%
Methane
32%
Biosolids
19%
Volatile fatty acids
19%
Manures
16%
Substrates
16%
Anaerobic digestion
15%
Nutrients
14%
Potassium
14%
Waste management
14%
Phosphorus
14%
Land fill
14%
Waste disposal
13%
Cotton
13%
Agriculture
12%
Conversion efficiency
12%
Nitrogen
10%
Degradation
8%
Experiments
4%
Chemical Compounds
Soil Amendment
100%
Chemical Oxygen Demand
68%
Methane
34%
Energy
27%
Waste Management
20%
Nutrient
15%
Degradation Rate
14%
Phosphorus(.)
12%
Nitrogen
8%
Column Like Crystal
8%
Volume
8%
Reduction
6%