Agriculture & Biology
wastewater treatment
100%
biodegradation
89%
recycling
84%
case studies
76%
municipal wastewater
76%
chemical oxygen demand
74%
Mexico
73%
effluents
56%
desertification
41%
aquifers
41%
biochemical oxygen demand
38%
total suspended solids
38%
temperature
36%
total solids
33%
surface water
32%
sludge
32%
pressing
31%
electrical conductivity
29%
wastewater
28%
economics
20%
winter
19%
soil
15%
methodology
8%
Earth & Environmental Sciences
biodegradation
77%
wastewater treatment
75%
recycling
69%
chemical oxygen demand
55%
effluent
42%
wastewater
39%
economic conditions
34%
desertification
33%
pressing
32%
unloading
32%
biochemical oxygen demand
31%
lime
27%
recharge
26%
conductivity
24%
sludge
22%
aquifer
21%
surface water
20%
winter
18%
removal
15%
evaluation
14%
soil
12%
temperature
11%
rate
9%
method
6%