Agriculture & Biology
autumn
17%
beets
20%
Brassica napus
22%
carrots
22%
catch crops
64%
cropping systems
23%
crops
39%
cultivars
26%
farming systems
27%
genotype
26%
green manures
52%
growing media
26%
leaching
21%
legumes
20%
lettuce
21%
Metarhizium
31%
methodology
16%
mineralization
17%
nitrogen
72%
nutrient uptake
22%
nutrients
23%
organic production
32%
Orychophragmus violaceus
19%
paddy soils
28%
root growth
100%
root pruning
16%
root systems
39%
rooting
20%
selenium
21%
soil
52%
soil fertility
21%
sole cropping
16%
spring wheat
27%
uptake mechanisms
45%
wheat
16%
winter
27%
winter wheat
44%
Earth & Environmental Sciences
catch crop
73%
crop
37%
cultivar
42%
fertilizer
17%
genotype
37%
green manure
50%
incorporation
20%
leaching
16%
nitrogen
54%
nutrient uptake
15%
plant species
21%
rape (plant)
31%
root competition
24%
root system
30%
rooting
24%
seed treatment
19%
selenium
24%
soil
32%
soil layer
16%
wheat
57%
winter
39%