Geo- og miljøvidenskab
agriculture
54%
aquifer
6%
comparison
3%
conservation policy
11%
crop
6%
data envelopment analysis
100%
effect
2%
farm
24%
farm size
14%
groundwater
5%
irrigation
36%
irrigation system
63%
linear programing
10%
method
2%
panel data
11%
used water
40%
water
22%
water conservation
9%
water demand
9%
water storage
9%
water table
8%
water use
71%
water use efficiency
56%
Landbrug og biologi
agriculture
55%
aquifers
10%
crops
4%
data analysis
70%
farm numbers
10%
farm size
9%
farmers
5%
farms
10%
flood irrigation
10%
groundwater
8%
irrigation systems
49%
irrigation water
37%
linear programming
9%
managers
7%
methodology
4%
sampling
2%
testing
2%
water
31%
water conservation
9%
water storage
9%
water table
9%
water use efficiency
36%