Agriculture & Biology
macropores
83%
irrigation
63%
irrigation management
61%
Ethiopia
54%
soil
49%
surface irrigation
47%
water flow
46%
water
43%
leaching
41%
fertigation
40%
farmers
40%
groundwater
39%
infiltrometers
39%
water table
36%
geometry
35%
surge irrigation
33%
water management
32%
China
32%
groundwater recharge
32%
seepage
30%
crop yield
29%
land evaluation
27%
soil salinization
26%
subsurface drainage
26%
crops
24%
corn
24%
porous media
23%
drainage systems
23%
seed mixtures
23%
Uzbekistan
23%
land use change
23%
farms
23%
subsurface irrigation
22%
nutrient balance
21%
land management
21%
land use
21%
cash crops
20%
vadose zone
20%
irrigation systems
20%
soil types
19%
irrigation scheduling
19%
dairy farming
19%
Allium cepa
19%
nutrient use efficiency
18%
saline water
18%
cover crops
18%
drainage
18%
radishes
18%
water shortages
18%
intercropping
18%
Earth & Environmental Sciences
irrigation
100%
recharge
69%
macropore
64%
groundwater
63%
soil
50%
crop yield
46%
water
46%
water flow
40%
water management
38%
crop
35%
leaching
31%
drainage
28%
infiltrometer
28%
maize
28%
soil type
28%
farm
28%
vadose zone
27%
evapotranspiration
26%
plain
25%
cash crop
24%
nutrient balance
24%
dairy farm
23%
land evaluation
23%
wheat
23%
productivity
22%
drainage system
22%
cover crop
22%
geometry
22%
salinization
22%
water uptake
22%
canal
21%
water scarcity
20%
parameter
20%
benchmarking
20%
transient flow
20%
soil water
19%
drought
19%
modeling
18%
effect
17%
peatland
17%
water consumption
17%
land use change
17%
water use
17%
land management
16%
control system
16%
land
15%
assimilation
15%
agriculture
14%
pesticide
14%
porous medium
14%