Agriculture & Biology
Portugal
96%
Triticum aestivum
92%
zinc
79%
wheat
76%
biofortification
66%
irrigation
63%
nitrogen
53%
cropping systems
51%
water
45%
fertilizers
41%
water footprint
41%
barley
40%
Mediterranean climate
39%
grain yield
39%
soil salinization
37%
soil heterogeneity
36%
crops
35%
corn
33%
flour
32%
farming systems
31%
foliar application
30%
staple foods
29%
field crops
29%
irrigation management
28%
functional foods
28%
farms
24%
climate
24%
orchards
23%
nutrient deficiencies
23%
factor analysis
23%
irrigation water
21%
whole wheat flour
20%
nutrients
20%
foliar spraying
19%
unmanned aerial vehicles
19%
value-added products
19%
nutrient use efficiency
18%
Mediterranean region
18%
monitoring
17%
wheat flour
17%
heading
16%
genotype
16%
vascular bundles
15%
Helianthus annuus
14%
cameras
13%
soil properties
13%
uncertainty
13%
human population
13%
land use
13%
water use efficiency
12%
Earth & Environmental Sciences
irrigation
100%
wheat
90%
fertilizer
71%
nitrogen
54%
crop
53%
agricultural land
43%
Mediterranean climate
39%
water footprint
35%
soil
33%
climate conditions
32%
orchard
31%
barley
31%
salinization
30%
farm
30%
organic waste
29%
genotype
29%
compost
28%
nutrient use efficiency
27%
cropping practice
27%
sustainability
26%
water
24%
water use efficiency
24%
maize
24%
field experiment
24%
field study
23%
recycling
23%
surface layer
23%
factor analysis
23%
productivity
22%
zinc
22%
trial
21%
effect
21%
nutrient
21%
water use
21%
attribute
20%
soil property
19%
sewage sludge
19%
index
18%
indicator
18%
soil fertility
15%
potassium
13%
municipal solid waste
13%
chemical composition
12%
nutrient availability
12%
tillering
12%
texture
12%
leaching
11%
discriminant analysis
11%
stem
10%