Engineering & Materials Science
Biogas
100%
Crops
96%
Soils
68%
Micronutrients
53%
Waste treatment
40%
Manures
40%
Vegetables
37%
Fertilizers
36%
Carbon footprint
36%
Fermentation
32%
Agriculture
31%
Water
31%
Thermal energy
28%
Fossil fuels
28%
Raw materials
27%
Biomass
26%
Macros
26%
Natural gas
24%
Costs
11%
Agriculture & Biology
biogas
94%
crop production
80%
case studies
73%
energy
51%
vegetable residues
30%
carbon footprint
29%
waste treatment
29%
thermal energy
29%
electric power
26%
natural gas
26%
pig manure
25%
fossil fuels
25%
soil types
21%
lettuce
21%
soil fertility
20%
raw materials
18%
water
17%
fertilizers
16%
agriculture
16%
fermentation
15%
biomass
13%
soil
10%
Earth & Environmental Sciences
crop production
93%
biogas
84%
energy
42%
vegetable waste
32%
effect on the environment
27%
carbon footprint
25%
waste treatment
23%
used water
23%
soil fertility
23%
pig
21%
energy source
21%
manure
20%
soil type
20%
fermentation
19%
fossil fuel
19%
natural gas
18%
fertilizer
18%
raw material
17%
trace element
16%
agriculture
15%
consumption
15%
biomass
13%
indicator
12%
cost
11%
soil
9%
water
6%
effect
5%
Chemical Compounds
Environment
49%
Energy
40%
Soil Fertility
37%
Soil
36%
Micronutrient
30%
Fertilizer
26%
Fossil Fuel
25%
Natural Gas
24%
Indicator
19%
Raw Material
17%
Carbon Atom
10%
Amount
9%
Reaction Yield
8%