Earth & Environmental Sciences
agriculture
18%
analysis
17%
antibiotic resistance
16%
antibiotics
18%
aquifer
29%
atrazine
12%
beef cattle
14%
biomass
13%
calibration
16%
canopy
20%
carbon
11%
chemical
12%
climate
38%
climate change
21%
comparison
13%
contamination
11%
cost
15%
cover crop
19%
crop
67%
crop production
14%
crop yield
20%
detection
13%
diatom
31%
drought
60%
drug
18%
economics
13%
ecosystem
27%
eddy covariance
20%
effect
23%
energy balance
24%
evaluation
19%
evapotranspiration
57%
farm
13%
fertilizer
18%
gene
15%
grassland
13%
groundwater
49%
growing season
20%
Holocene
24%
hormone
12%
index
24%
indicator
12%
irrigation
62%
lake
46%
lake level
14%
land
13%
land surface
14%
Landsat
16%
machine learning
14%
maize
100%
manure
26%
method
17%
modeling
18%
MODIS
17%
moisture
12%
monitoring
20%
NDVI
12%
nitrate
21%
nitrogen
30%
nutrient
14%
pesticide
11%
phosphorus
13%
plain
41%
policy
15%
pollutant
12%
prediction
12%
productivity
18%
rate
26%
recharge
14%
reflectance
11%
remote sensing
22%
removal
13%
river
16%
runoff
19%
sand
16%
sediment
16%
sensor
19%
simulation
12%
soil
49%
soil moisture
19%
soil property
19%
soil water
19%
soybean
39%
steroid
22%
summer
15%
surface water
15%
temperature
16%
trend
13%
vegetation
24%
vegetation index
18%
wastewater
12%
water
37%
water budget
12%
water management
14%
water quality
11%
water resource
12%
water stress
14%
water use
16%
watershed
23%
weather
14%
Agriculture & Biology
agriculture
12%
animal manures
14%
aquifers
20%
artificial intelligence
11%
Bacillariophyceae
27%
biomass
16%
Bouteloua dactyloides
20%
calibration
20%
canopy
23%
carbon
10%
case studies
13%
climate
28%
climate change
16%
corn
98%
Corn Belt region
23%
cover crops
25%
crop models
12%
crop production
13%
crop yield
18%
cropland
9%
cropping systems
9%
crops
50%
drought
30%
dry beans
11%
ecological resilience
10%
economics
13%
ecosystems
25%
eddy covariance
22%
energy balance
17%
evapotranspiration
56%
farmers
13%
farms
13%
fertilizer rates
10%
golf courses
10%
grain yield
20%
grasslands
10%
gross primary productivity
9%
groundwater
19%
growing season
22%
heat
12%
herbicides
14%
image analysis
18%
irrigation
36%
irrigation management
19%
irrigation rates
15%
irrigation scheduling
12%
irrigation water
15%
Lake Titicaca
12%
lakes
36%
Landsat
21%
leaching
10%
meteorological data
13%
methodology
24%
moderate resolution imaging spectroradiometer
11%
monitoring
20%
nitrates
16%
nitrogen
43%
nitrogen fertilizers
25%
no-tillage
12%
nozzles
17%
nutrients
9%
phenotype
16%
phosphorus
13%
planting
13%
prediction
17%
reflectance
13%
remote sensing
35%
rice
21%
rivers
10%
runoff
13%
sampling
9%
sand
11%
sediments
14%
sensors (equipment)
23%
simulation models
11%
soil
46%
soil properties
18%
soil quality
10%
soil water
29%
soybeans
42%
sprayers
9%
summer
12%
surface water
11%
temperature
17%
testing
12%
tillage
14%
turf grasses
23%
uncertainty
17%
unmanned aerial vehicles
12%
vegetation
17%
vegetation index
18%
water
38%
water budget
11%
water management
13%
water stress
16%
water table
10%
water use efficiency
10%
weather
20%
wheat
20%
Zea mays
12%
Engineering & Materials Science
Activated carbon
6%
Adsorption
5%
Agriculture
15%
Air
8%
Aircraft
7%
Animals
5%
Antennas
12%
Antibiotics
33%
Aquifers
17%
Bacteria
7%
Beef
24%
Biofuels
8%
Biomass
19%
Birefringence
8%
Calibration
7%
Climate change
8%
Communication
5%
Contamination
11%
Controllers
6%
Costs
10%
Crops
78%
Decision making
6%
Drought
37%
Drug products
11%
Economics
10%
Ecosystems
14%
Effluents
8%
Electric Conductivity
5%
Energy balance
8%
Environmental impact
7%
Enzymatic hydrolysis
8%
Erosion
7%
Ethanol
6%
Evapotranspiration
35%
Experiments
10%
Farms
12%
Fertilizers
10%
Fluxes
7%
Genes
11%
Greenhouse gases
6%
Greenhouses
6%
Groundwater
34%
Health
6%
Herbicides
22%
Impurities
20%
Industry
6%
Infiltration
9%
Infrared radiation
7%
Irrigation
63%
Lakes
10%
Land use
7%
Leaching
15%
Life cycle
11%
Machine learning
5%
Manures
25%
Monitoring
15%
Nitrates
22%
Nitrogen
26%
Nozzles
12%
Nutrients
19%
Pesticides
26%
Phase transitions
10%
Phosphorus
12%
Pollution
6%
Ponds
6%
Potable water
8%
Productivity
9%
Rain
10%
Remote sensing
15%
Rivers
19%
Robotics
8%
Robots
6%
Runoff
27%
Sampling
9%
Sand
8%
Satellites
7%
Scheduling
5%
Sediments
18%
Seed
6%
Sensor networks
13%
Sensors
23%
Silt
6%
Soil moisture
15%
Soils
68%
Steroid hormones
14%
Surface waters
15%
Sustainable development
10%
Temperature
9%
Throughput
5%
Uncertainty
5%
Unmanned aerial vehicles (UAV)
22%
Veterinary Drugs
12%
Wastewater
18%
Wastewater treatment
9%
Water
58%
Water management
12%
Water quality
12%
Water resources
9%
Watersheds
20%
Wetlands
9%