Agriculture & Biology
beets
11%
cabbage
22%
cover crops
11%
crop production
9%
crops
28%
heat sums
11%
kinetics
7%
leeks
14%
plant nitrogen content
13%
production technology
9%
root growth
9%
root systems
10%
rooting
20%
simulation models
11%
soil
27%
soil profiles
23%
spring wheat
11%
uptake mechanisms
100%
vegetable crops
11%
winter wheat
10%
Earth & Environmental Sciences
cover crop
13%
crop
43%
crop production
10%
distribution
10%
effect
2%
experiment
3%
farming system
10%
field study
8%
kinetics
6%
modeling
62%
nitrogen
5%
parameter
17%
penetration
8%
production system
10%
rate
3%
root system
12%
rooting
24%
simulation
8%
soil
8%
soil layer
28%
soil profile
18%
vegetable
10%
vertical distribution
18%
wheat
18%
winter
6%