Earth & Environmental Sciences
irrigation
100%
wheat
45%
salinization
40%
crop
39%
soil
35%
nitrogen
33%
cropping practice
33%
fertilizer
29%
Mediterranean climate
28%
sustainability
23%
farm
22%
erosivity
22%
water footprint
22%
water
21%
vineyard
20%
erodibility
19%
Mediterranean Area
19%
climate conditions
19%
water erosion
19%
orchard
19%
barley
19%
water uptake
19%
factor analysis
17%
nutrient use efficiency
16%
cover crop
16%
risk assessment
15%
water use efficiency
14%
maize
14%
nutrient
14%
field experiment
14%
surface layer
14%
water quality
14%
rainfall
13%
trial
13%
agricultural land
13%
drought
13%
vine
13%
water use
12%
productivity
12%
attribute
12%
soil degradation
12%
index
11%
effect
10%
indicator
10%
soil fertility
9%
Vertisol
8%
agriculture
8%
root system
8%
potassium
8%
Agriculture & Biology
irrigation
78%
Portugal
71%
soil salinization
45%
cover crops
31%
water
30%
nitrogen
27%
Mediterranean climate
27%
erodibility
27%
water footprint
25%
water erosion
25%
Angola
23%
soil heterogeneity
22%
Azores
22%
soil
22%
vineyards
21%
risk assessment
21%
wheat
21%
corn
20%
soil carbon
20%
cropping systems
19%
rain
19%
field crops
18%
farms
18%
irrigation management
17%
fertilizers
16%
small fruits
15%
water uptake
15%
climate
14%
orchards
14%
factor analysis
14%
physiology
13%
land use
13%
barley
13%
irrigation water
13%
Mediterranean region
12%
forage
12%
minerals
12%
vines
12%
grain yield
11%
nutrient use efficiency
11%
crops
10%
soil fertility
10%
yield components
10%
agriculture
10%
deficit irrigation
10%
nutrients
10%
potassium
9%
soil management
9%
dates (fruit)
8%
Vertisols
8%