Earth & Environmental Sciences
agricultural runoff
58%
furrow irrigation
31%
water quality
28%
nutrient
28%
pollutant
25%
animal
22%
cattle
22%
wastewater
21%
pesticide
19%
microorganism
16%
waste facility
15%
fecal bacterium
15%
animal production
15%
pollution reduction
14%
waste water treatment
13%
flowing water
12%
parasite
11%
virus
10%
sediment
10%
leachate
10%
soil surface
9%
fungus
9%
infiltration
8%
polymer
8%
fold
8%
effluent
7%
runoff
7%
erosion
7%
surface water
7%
filter
7%
degradation
7%
bacterium
6%
water
6%
groundwater
6%
fish
6%
removal
5%
cost
5%
soil
4%
rate
3%
analysis
2%
Engineering & Materials Science
Agricultural runoff
100%
Polyacrylates
57%
Water quality
53%
Impurities
41%
Nutrients
11%
Wastewater
9%
Animals
8%
Calcium oxide
7%
Pesticides
6%
Sediments
5%
Microorganisms
5%
Irrigation
5%
Bacteria
5%
Soils
3%
Parasites
3%
Runoff
3%
Surface waters
3%
Fungi
3%
Water treatment
2%
Groundwater
2%
Viruses
2%
Infiltration
2%
Effluents
2%
Fish
2%
Erosion
2%
Pollution
2%
Polymers
1%
Degradation
1%
Costs
0%
Medicine & Life Sciences
polyacrylamide
63%
Water Quality
62%
Waste Water
11%
Nutrients
7%
Pesticides
5%
Soil
4%
Animals
4%
Water
4%
Cattle
3%
Swine
3%
Groundwater
3%
Bacteria
3%
Water Purification
3%
Streptococcus
2%
Fishes
2%
Fungi
2%
Polymers
2%
Parasites
1%
Viruses
1%
Costs and Cost Analysis
1%
Chemical Compounds
Nutrient
9%
Wastewater
5%
Pesticide
4%
Soil
3%
Irrigation Water
3%
Irrigation
3%
Enteric Coating
3%
Groundwater
2%
Surface Water
2%
Wastewater Treatment
2%
Application
2%
Reduction
2%
Mixture
2%
Water Soluble
1%
Surface
1%
Amount
0%