Earth & Environmental Sciences
acid
7%
animal
7%
animal waste
14%
ash
9%
biochar
48%
carbon
6%
demand
7%
economics
6%
economy
8%
energy recovery
79%
environmental impact
8%
farm
9%
fertilizer
9%
fluidised bed
89%
gas
11%
heating
8%
laboratory
6%
litter
63%
livestock farming
13%
nitrogen
6%
nutrient
44%
oil
39%
organic soil
11%
potassium
9%
poultry
79%
power generation
11%
product
10%
protein
8%
pyrolysis
60%
reactor
47%
soil amendment
27%
sustainability
8%
temperature
8%
waste disposal
10%
Engineering & Materials Science
Acids
10%
Animals
21%
Ashes
11%
Carbon
8%
Economics
7%
Environmental impact
10%
Farms
11%
Fertilizers
14%
Gases
12%
Heat generation
12%
Heating
8%
Hot Temperature
5%
Nitrogen
10%
Nutrients
85%
Oils
43%
Potassium
13%
Poultry
100%
Power generation
9%
Proteins
10%
Pyrolysis
63%
Recovery
45%
Soils
17%
Sustainable development
10%
Temperature
9%
Waste disposal
13%
Wood
10%
Social Sciences
agriculture
18%
amendment
39%
animal protein
41%
Animal wastes
42%
demand
15%
economics
9%
energy
46%
environmental impact
21%
farm
21%
heat
25%
heat pump
27%
Power generation
28%
sustainability
16%
waste disposal
29%