Agriculture & Biology
corn
100%
nitrogen
78%
soil
71%
strip tillage
51%
no-tillage
43%
weather
41%
Miscanthus sinensis
34%
nitrogen fertilizers
34%
potassium
33%
grain yield
32%
soybeans
28%
soil quality
25%
planting
24%
Zea mays
23%
phosphorus
22%
fertilizers
21%
grasslands
20%
crops
20%
fertilizer rates
20%
Corn Belt region
19%
Japan
19%
growing season
19%
artificial intelligence
16%
nitrates
16%
testing
15%
soil properties
15%
economics
15%
soil organic matter
13%
soil sampling
12%
Midwestern United States
12%
soil carbon
12%
nutrient use efficiency
12%
anhydrous ammonia
11%
mineralization
11%
canopy
11%
carbon sequestration
11%
meteorological data
10%
drainage
9%
reflectance
9%
soil fertility
9%
tillage
9%
band placement
9%
conservation tillage
9%
water use efficiency
9%
nitrous oxide
8%
urea ammonium nitrate
8%
irrigated soils
8%
Glycine max
8%
nutrients
7%
Earth & Environmental Sciences
maize
80%
nitrogen
48%
soil
41%
soybean
34%
fertilizer
28%
potassium
23%
grassland
19%
growing season
16%
rate
16%
till
16%
nitrous oxide
15%
machine learning
15%
phosphorus
14%
recommendation
14%
urea
13%
weather condition
12%
crop
12%
drainage
11%
tillage
11%
water use efficiency
11%
soil carbon
10%
weather
9%
soil water
8%
carbon sequestration
8%
imagery
8%
prediction
8%
ammonia
8%
soil condition
7%
soil nitrogen
7%
soil resource
7%
planting
7%
health
7%
soil fertility
6%
nutrition
6%
nutrient uptake
6%
loss
6%
carbon stock
6%
effect
6%
canopy
6%
incubation
6%
soil organic matter
6%
barley
5%
cropping practice
5%
carbon budget
5%
potato
5%
ammonium nitrate
5%