Earth & Environmental Sciences
root system
100%
root architecture
37%
nutrient cycling
16%
soil nutrient
15%
cropping practice
14%
mortality
11%
plant component
10%
crop
10%
pesticide application
10%
environmental response
10%
parameter
10%
mineral fertiliser
9%
senescence
9%
farming system
7%
tillage
7%
soil condition
7%
nutrition
7%
environmental effect
7%
breeding
7%
research program
7%
fungus
6%
soil
6%
Agriculture & Biology
root systems
75%
biogeochemical cycles
16%
soil nutrients
14%
cropping systems
13%
root growth
12%
gravitropism
9%
new crops
9%
research programs
8%
growth models
7%
mineral fertilizers
7%
soil
7%
pesticide application
7%
tillage
6%
branching
6%
soil quality
6%
researchers
6%
nutrition
5%
death
5%
plant growth
5%