Agriculture & Biology
agriculture
23%
antagonism
38%
Citrus
34%
crop models
15%
crop residue management
27%
crop yield
27%
cropping systems
35%
crops
87%
cylinders
25%
drainage
51%
environmental impact
18%
farmers
26%
fertigation
70%
fertilizers
28%
groundwater
45%
hydraulic conductivity
21%
hydrologic models
14%
irrigation
83%
irrigation management
23%
irrigation rates
12%
land evaluation
60%
landscape management
26%
leaching
16%
mechanization
22%
meta-analysis
84%
methodology
18%
Netherlands
52%
nitrogen
25%
nutrient management
21%
nutrient uptake
35%
nutrient use efficiency
57%
nutrients
34%
plant cultural practices
39%
Richards' equation
15%
soil
94%
soil management
48%
soil quality
17%
soil water retention
13%
split application
32%
synergism
40%
tillage
17%
uncertainty
36%
uptake mechanisms
29%
water
57%
water management
41%
water stress
16%
water table
38%
water uptake
33%
water use efficiency
35%
willingness to pay
47%
Earth & Environmental Sciences
agriculture
19%
antagonism
47%
crop
100%
crop husbandry
66%
crop residue
18%
crop yield
30%
cropping practice
36%
decomposition
26%
dietary mineral
12%
drainage
36%
economics
12%
effect
22%
fertilizer
65%
groundwater
36%
hydraulic conductivity
16%
innovation
31%
interpolation
13%
irrigation
88%
land evaluation
51%
landscape management
18%
leaching
15%
loss
29%
management practice
33%
meta-analysis
81%
method
12%
methodology
25%
modeling
21%
nitrogen
24%
nutrient
47%
nutrient uptake
46%
nutrient use efficiency
29%
organic matter
12%
parameter
15%
Richards equation
11%
services
23%
soil
84%
soil dynamics
50%
soil management
48%
soil quality
15%
synergism
47%
tillage
15%
upscaling
12%
water
33%
water management
32%
water retention
19%
water table
19%
water uptake
43%
water use
48%
water use efficiency
33%
willingness to pay
43%