Agriculture & Biology
corn
100%
crops
61%
cover crops
60%
soil organic carbon
55%
no-tillage
54%
crop models
53%
nitrous oxide production
52%
wheat
46%
nitrous oxide
45%
soil
41%
nitrogen
40%
radiation use efficiency
40%
cropping systems
34%
Panicum virgatum
33%
soil organic matter
32%
biomass
32%
soybeans
32%
willows
31%
carbon
30%
biomass production
29%
continuous cropping
29%
soil carbon
28%
mineralization
28%
climate
28%
transpiration
25%
Chesapeake Bay
25%
agroecosystems
23%
pastures
23%
agricultural policy
23%
ecosystem services
23%
Washington (state)
22%
phosphorus
22%
bioenergy
22%
grain crops
22%
landscape position
21%
humification
21%
energy crops
20%
Sorghum (Poaceae)
20%
harvest index
20%
cultivars
20%
agriculture
19%
barley
18%
silage
18%
sediment yield
18%
particulate organic matter
18%
soil texture
18%
vapor pressure deficit
17%
oats
17%
grain yield
17%
shrubs
17%
Earth & Environmental Sciences
maize
87%
crop
74%
nitrous oxide
50%
cropping practice
48%
soil
47%
soybean
46%
wheat
46%
cover crop
36%
continuous cropping
36%
nitrogen
29%
organic carbon
26%
tillage
24%
simulation
24%
soil organic matter
23%
agricultural ecosystem
23%
climate
22%
phosphorus
22%
agriculture
19%
sorghum
19%
biomass
18%
productivity
17%
crop production
17%
grass
17%
watershed
16%
planting
16%
humification
16%
carbon
15%
soil texture
14%
rate
14%
transpiration
14%
cultivar
13%
pasture
13%
modeling
13%
mineralization
12%
bioenergy
12%
farm
12%
soil quality
12%
temperature
12%
ecosystem service
12%
crop yield
12%
soil carbon
12%
cork
12%
bioenergy production
12%
climate signal
12%
aboveground biomass
12%
drought stress
12%
belowground biomass
12%
agricultural policy
11%
manure
11%
