Chemical Compounds
Biogeochemical Cycle
100%
Ecosystem
74%
Mass Balance
73%
Groundwater
44%
Irrigation
30%
Fertilizer
25%
Wastewater Treatment
20%
Leaching
18%
Phosphorus(.)
17%
Environmental Pollutant
17%
Nitrate
15%
Nitrogen
12%
Carbon Atom
9%
Surface
6%
Earth & Environmental Sciences
biogeochemical cycle
70%
mass balance
55%
ecosystem
36%
pollution
20%
groundwater
18%
human behavior
18%
ecosystem management
18%
pollution control
15%
population growth
14%
management practice
14%
fertilizer
13%
wastewater treatment
13%
irrigation
11%
leaching
11%
aquifer
11%
nitrate
11%
phosphorus
11%
crop
11%
regulation
10%
salt
10%
land use
10%
nitrogen
9%
pollutant
9%
carbon
8%
Medicine & Life Sciences
Ecosystem
69%
Groundwater
68%
Fertilizers
24%
Waste Water
20%
Population Growth
19%
Practice Management
18%
Environmental Pollutants
17%
Nitrates
17%
Phosphorus
16%
Formal Social Control
15%
Carbon
15%
Nitrogen
15%
Salts
13%
Technology
10%