Agriculture & Biology
cotton
74%
nitrogen fertilizers
49%
Gossypium hirsutum
49%
lint yield
41%
deserts
37%
nitrogen
36%
subsurface irrigation
26%
soil
26%
nitrates
25%
reflectance
25%
microirrigation
21%
planting seed
20%
leaf reflectance
20%
volatilization
16%
crops
16%
furrows
16%
seed size
16%
normalized difference vegetation index
15%
vegetation index
14%
petioles
14%
irrigation water
14%
solutes
14%
growth and development
13%
irrigation
12%
lint cotton
12%
plant growth
12%
plant exploration and collection
12%
ammonium sulfate
11%
urea ammonium nitrate
10%
plant collections
10%
vegetative growth
10%
soil profiles
9%
fertilizers
9%
leaf area index
9%
evapotranspiration
7%
yield forecasting
7%
developmental stages
7%
clay
6%
sampling
6%
testing
6%
seeds
6%
overhead irrigation
5%
biomass
5%
surface irrigation
5%
Earth & Environmental Sciences
cotton
57%
fertilizer
42%
irrigation
33%
nitrogen
29%
drip irrigation
26%
desert
24%
crop
19%
nitrogen isotope
16%
volatilization
15%
evaluation
13%
nitrate
13%
algal bloom
11%
ammonium sulfate
9%
sandy loam
8%
dilution
8%
dry matter
8%
soil
8%
loss
7%
reflectance
7%
soil test
7%
ammonium nitrate
6%
clay loam
6%
urea
5%
evapotranspiration
5%
Engineering & Materials Science
Cotton
100%
Crops
29%
Soil conditioners
27%
Agronomy
25%
Fertilizers
23%
Nitrates
18%
Soils
17%
Nitrogen
16%
Calcium
15%
Recovery
9%
Ion selective electrodes
6%
Experiments
6%
Fibers
6%
Nutrients
6%