Earth & Environmental Sciences
home garden
100%
arid environment
72%
water
18%
water treatment
15%
biological contamination
13%
irrigation
13%
urban agriculture
12%
chemical contamination
11%
water reuse
10%
cost-benefit
10%
crop yield
9%
cost
9%
savings
8%
income
7%
protocol
7%
effluent
6%
health
6%
public
5%
filter
5%
nutrient
5%
Medicine & Life Sciences
Gardens
87%
Water
41%
Oman
33%
Water Purification
20%
Maintenance
10%
Costs and Cost Analysis
9%
Agriculture
8%
Cost-Benefit Analysis
6%
Nutrients
6%
Income
6%
Economics
6%
Chemical Compounds
Water
41%
Water treatment
19%
Irrigation
18%
Chemical contamination
13%
Kitchens
10%
Nutrients
9%
Crops
8%
Effluents
8%
Agriculture
8%
Operating costs
7%
Cleaning
7%
Costs
5%
Health
5%
Engineering & Materials Science
Water
33%
Water treatment
19%
Irrigation
18%
Chemical contamination
13%
Kitchens
10%
Nutrients
9%
Crops
8%
Effluents
8%
Agriculture
8%
Operating costs
7%
Cleaning
7%
Costs
5%
Health
5%