Agriculture & Biology
climate
64%
climate change
51%
agroecosystems
43%
soil
41%
water stress
33%
drought
32%
germplasm evaluation
31%
ideotypes
29%
aerenchyma
27%
soil resources
26%
soil degradation
25%
soil structure
24%
root hairs
23%
acid soils
22%
developed countries
22%
plant breeding
20%
developing countries
19%
cropping systems
19%
fertilization (reproduction)
18%
plant response
17%
nitrates
17%
breeding programs
16%
water
16%
salinity
16%
agriculture
15%
plant growth
14%
farmers
14%
toxicity
14%
phenotype
13%
breeding
12%
crops
10%
Earth & Environmental Sciences
plant production
100%
climate
43%
drought stress
9%
agricultural ecosystem
8%
breeding
7%
climate change
6%
global climate
6%
soil
6%
drought
5%
germplasm
5%
crop
5%
soil resource
4%
acid soil
4%
soil degradation
4%
soil structure
3%
hair
3%
phenotype
3%
phenology
3%
cropping practice
3%
fitness
3%
effect
3%
flooding
2%
toxicity
2%
nitrate
2%
agriculture
2%
salinity
2%
demand
2%
water
2%
resource
1%
program
1%
evaluation
1%