Agriculture & Biology
Portugal
100%
irrigation
74%
wheat
61%
grain yield
56%
nitrogen
55%
fertilizers
54%
uncertainty
47%
water
39%
climate
37%
urease inhibitors
35%
nitrification inhibitors
32%
slow-release fertilizers
30%
water distribution
29%
water requirement
28%
Mediterranean climate
27%
grain quality
26%
tillering
26%
dry environmental conditions
25%
filling period
25%
Mediterranean region
25%
yield components
23%
phenology
22%
climate change
20%
temperature
19%
rain
18%
flowering
17%
stems
15%
crops
12%
methodology
6%
Earth & Environmental Sciences
wheat
87%
nitrogen
57%
fertilizer
54%
irrigation
48%
trial
38%
inhibitor
29%
water
29%
tillering
23%
productivity
22%
Mediterranean climate
19%
adaptation strategy
17%
aridity
17%
phenology
17%
climate conditions
16%
effect
14%
nitrification
14%
stem
14%
global climate
13%
temperature
11%
crop
11%
distribution
11%
rainfall
10%
climate change
9%
climate
8%
evaluation
7%
comparison
6%