Agriculture & Biology
cover crops
100%
soybeans
93%
corn
91%
soil
72%
Miscanthus giganteus
69%
nitrogen
60%
Amaranthus tuberculatus
56%
rye
55%
Vicia villosa
53%
winter
48%
herbicides
44%
Glycine max
35%
soil properties
35%
Miscanthus
34%
no-tillage
34%
nitrogen fertilizers
33%
soil quality
32%
growing season
31%
soil electrical conductivity
31%
electrical conductivity
30%
crops
28%
biomass
27%
tillage
27%
glyphosate
24%
mesotrione
22%
agroecosystems
21%
Panicum virgatum
20%
cropping systems
20%
weed control
20%
energy crops
19%
soil organic matter
18%
application rate
18%
farmers
17%
municipal solid waste
17%
grain yield
17%
heat sums
17%
net primary productivity
17%
discriminant analysis
17%
particulate organic matter
17%
Sorghum (Poaceae)
17%
Mid-Atlantic region
16%
planting
16%
Zea mays
15%
soil resource management
15%
soil sampling
15%
pesticide application
15%
biomass production
14%
fungicides
14%
synergism
14%
application timing
14%
Earth & Environmental Sciences
maize
55%
soil
42%
soil property
37%
crop
31%
electrical conductivity
28%
agricultural ecosystem
22%
discriminant analysis
21%
soil quality
17%
tillage
17%
soil organic matter
16%
nitrogen
16%
biomass
15%
net primary production
15%
crop yield
14%
effect
13%
winter
13%
soil nitrogen
12%
yield response
11%
aggregate stability
11%
soil drainage
11%
wheat
11%
site index
10%
cropping practice
10%
soil fertility
10%
zero tillage
9%
biosolid
9%
particulate organic matter
9%
poultry
9%
land
9%
bioenergy
9%
seeding
9%
meta-analysis
9%
land use change
8%
multivariate analysis
8%
carbon stock
8%
soil texture
8%
indicator
8%
