Earth & Environmental Sciences
biochar
88%
landfill
73%
respiration
31%
restoration
26%
species diversity
22%
species richness
20%
effect
19%
agricultural application
15%
oxidation
15%
subtropical region
14%
soil amendment
14%
land
13%
nutrient cycling
13%
soil condition
12%
topsoil
11%
nitrite
11%
total organic carbon
11%
nitrification
10%
fermentation
10%
soil property
10%
fungus
10%
soil
10%
electronics
9%
conductivity
9%
ammonia
9%
water content
9%
sulfur
8%
nitrate
8%
productivity
8%
organic matter
7%
bacterium
7%
habitat
7%
nitrogen
7%
ecosystem
6%
monitoring
6%
Engineering & Materials Science
Soils
65%
Restoration
48%
Oxidation
29%
Nitrification
27%
Organic carbon
25%
Fungi
22%
Biological materials
21%
Nitrates
20%
Nutrients
20%
Bacteria
18%
Fermentation
18%
Agriculture
18%
Water content
17%
Ecosystems
17%
Ammonia
17%
Sulfur
16%
Nitrogen
15%
Productivity
13%
Chemical analysis
10%
Monitoring
9%
Chemical Compounds
Soil
70%
Soil Amendment
35%
Nitrification
31%
Plant Growth
28%
Ecosystem
24%
Organic Carbon
22%
Organic Matter
22%
Nutrient
22%
Nitrite
20%
Fermentation
19%
Oxidation Reaction
18%
pH Value
17%
Ammonia
15%
Nitrate
15%
Conductivity
13%
Nitrogen
12%
Time
7%
Application
6%