Teknik og materialevidenskab
Turbidity
83%
Irrigation
71%
Seed
62%
Water
32%
Wastewater
14%
Parasites
6%
Environmental Protection Agency
6%
Health risks
6%
Water treatment
5%
Water quality
5%
Crops
5%
Sand
4%
Health
3%
Costs
1%
Experiments
1%
Geo- og miljøvidenskab
egg
57%
turbidity
52%
seed
52%
irrigation
46%
water
18%
wastewater
9%
less developed country
7%
advanced technology
5%
World Health Organization
5%
used water
5%
crop production
5%
parasite
5%
environmental protection agency
4%
health risk
4%
water treatment
4%
trial
4%
water quality
3%
sand
3%
laboratory
2%
cost
2%
particle
2%
experiment
1%
effect
1%
Kemiske forbindelser
Irrigation Water
100%
Turbidity
66%
Irrigation
44%
Wastewater
15%
Percent Reduction
11%
Filtration
8%
Reduction
4%