Agriculture & Biology
rangelands
92%
cotton
91%
deserts
63%
grasslands
61%
vegetation
58%
grazing
57%
Prosopis
54%
sensors (equipment)
53%
grasses
53%
Gossypium hirsutum
52%
Prosopis velutina
49%
Eragrostis lehmanniana
48%
soil
46%
drought
43%
lint yield
40%
nitrogen
37%
irrigation
36%
near-infrared spectroscopy
36%
Quercus douglasii
36%
water
36%
crops
35%
shrubs
34%
lettuce
33%
monitoring
33%
canopy
33%
cattle
32%
reflectance
31%
nitrogen fertilizers
30%
sampling
30%
phenotype
30%
savannas
30%
soil strength
29%
leaf reflectance
29%
weed control
29%
biomass
27%
arid grasslands
27%
ecosystems
27%
nutritional adequacy
27%
arid lands
26%
Sonoran Desert
25%
no-tillage
24%
Cenchrus ciliaris
24%
Rita
24%
livestock
24%
forage
24%
irrigation water
24%
heifers
23%
carbon isotopes
23%
beef cattle
22%
irrigation scheduling
22%
methodology
22%
normalized difference vegetation index
21%
range management
21%
soil carbon
21%
net primary productivity
20%
climate
20%
soil organic carbon
19%
prediction
19%
calibration
19%
weeds
18%
surface irrigation
18%
furrows
18%
Coniothyrium minitans
18%
decision making
18%
lidar
17%
spatial distribution
17%
meadows
17%
unmanned aerial vehicles
17%
public lands
17%
land management
16%
phenomics
16%
managers
16%
lint cotton
16%
wheat
16%
climate change
16%
soil water
16%
specialty crops
16%
Southwestern United States
15%
oocysts
15%
remote sensing
15%
ticks
15%
planning
15%
perennial grasses
15%
Cryptosporidium
15%
diet
15%
elks
15%
asparagus spears
15%
woody plants
14%
crop coefficient
14%
feeding level
14%
evapotranspiration
14%
cows
14%
crude protein
14%
fire history
14%
summer
14%
water conservation
14%
grazing intensity
14%
grazing systems
14%
herbicides
13%
tillage
13%
Earth & Environmental Sciences
rangeland
100%
cotton
82%
grass
76%
grassland
74%
grazing
65%
desert
57%
irrigation
55%
forage
47%
vegetation
46%
crop
38%
shrub
35%
savanna
35%
drought
34%
livestock
34%
water
33%
soil
33%
nitrogen
32%
cattle
29%
livestock farming
24%
soil carbon
23%
fertilizer
22%
wilderness
22%
monitoring
21%
wheat
21%
watershed
21%
animal
21%
grazing management
21%
canopy
21%
biomass
20%
biosolid
20%
diet
20%
ecosystem
20%
protein
19%
effect
19%
woody plant
18%
oak
17%
antibiotic resistance
17%
harvest
17%
carbon isotope
17%
sensor
17%
meadow
17%
imagery
16%
comparison
16%
yield response
16%
antibiotics
16%
evaluation
15%
public
15%
organic carbon
15%
land planning
15%
water use
15%
democracy
15%
method
15%
near infrared
14%
bud
14%
seeding
14%
water reuse
14%
remote sensing
13%
soil water
13%
monitoring technique
13%
decision making
13%
evapotranspiration
13%
cultivar
13%
productivity
13%
decision
13%
soil nitrogen
13%
feces
12%
trial
12%
water quality
12%
leaf area index
12%
virus
12%
net primary production
12%
sediment yield
12%
vegetation dynamics
12%
rate
12%
tillage
12%
border
12%
plant architecture
11%
runoff
11%
soil strength
11%
pathogen
11%
climate change
11%
summer
11%
program
11%
pasture
11%
bacterium
11%
fire history
10%
climate
10%
reflectance
10%
water content
10%
modeling
10%
transition
10%
disturbance
10%
drip irrigation
10%
breeding
10%
spectroscopy
10%
restoration
10%
public participation
10%
crop residue
10%
activated sludge
10%
vehicle
9%