Earth & Environmental Sciences
maize
100%
drought
72%
crop
66%
irrigation
64%
lake
58%
evapotranspiration
55%
groundwater
48%
soil
48%
plain
44%
climate
41%
diatom
40%
soybean
37%
water
37%
nitrogen
31%
aquifer
28%
Holocene
27%
ecosystem
27%
index
27%
manure
26%
vegetation
25%
rate
24%
energy balance
24%
effect
23%
watershed
23%
eddy covariance
23%
remote sensing
22%
climate change
22%
growing season
21%
productivity
21%
nitrate
21%
monitoring
20%
steroid
20%
sensor
19%
vegetation index
19%
agriculture
19%
soil water
19%
soil moisture
19%
runoff
19%
canopy
19%
sediment
19%
cover crop
19%
evaluation
19%
modeling
18%
crop yield
18%
fertilizer
18%
antibiotics
18%
MODIS
18%
soil property
18%
lake level
17%
method
17%
temperature
16%
analysis
16%
river
16%
drug
16%
surface water
16%
antibiotic resistance
15%
sand
15%
land surface
15%
calibration
15%
grassland
15%
cost
15%
policy
15%
summer
15%
machine learning
15%
Landsat
15%
water use
15%
water stress
14%
biomass
14%
weather
14%
trend
14%
indicator
14%
gene
14%
nutrient
14%
beef cattle
13%
land
13%
water management
13%
NDVI
13%
comparison
13%
recharge
13%
detection
13%
crop production
13%
prediction
13%
economics
13%
prairie
12%
phosphorus
12%
pollutant
12%
energy
12%
farm
12%
moisture
12%
water quality
12%
water resource
12%
removal
12%
wetland
11%
distribution
11%
atrazine
11%
water budget
11%
wastewater
11%
contamination
11%
reflectance
11%
hormone
11%
Agriculture & Biology
corn
97%
evapotranspiration
55%
lakes
51%
crops
49%
soil
44%
nitrogen
43%
soybeans
39%
Bacillariophyceae
37%
water
36%
remote sensing
36%
irrigation
34%
drought
32%
climate
32%
soil water
27%
ecosystems
27%
cover crops
26%
methodology
25%
canopy
25%
Corn Belt region
24%
eddy covariance
24%
nitrogen fertilizers
23%
growing season
22%
sensors (equipment)
21%
rice
21%
turf grasses
21%
vegetation index
20%
irrigation management
20%
Landsat
20%
aquifers
20%
monitoring
20%
vegetation
19%
grain yield
19%
weather
19%
groundwater
19%
sediments
18%
wheat
18%
calibration
18%
uncertainty
18%
prediction
18%
Bouteloua dactyloides
18%
energy balance
18%
water stress
17%
climate change
17%
phenotype
17%
image analysis
17%
temperature
16%
soil properties
16%
reflectance
16%
farmers
16%
crop yield
16%
case studies
16%
artificial intelligence
16%
nitrates
15%
biomass
15%
tillage
15%
planting
14%
nozzles
14%
irrigation water
14%
meteorological data
13%
Lake Titicaca
13%
unmanned aerial vehicles
13%
farms
13%
animal manures
13%
runoff
13%
no-tillage
13%
herbicides
13%
economics
12%
agriculture
12%
summer
12%
grasslands
12%
crop production
12%
heat
12%
irrigation rates
12%
water management
12%
irrigation scheduling
12%
crop models
11%
gross primary productivity
11%
testing
11%
Zea mays
11%
water quality
11%
ecological resilience
11%
phosphorus
11%
moderate resolution imaging spectroradiometer
11%
carbon
11%
surface water
11%
rivers
11%
water budget
11%
time series analysis
11%
nutrients
10%
simulation models
10%
sand
10%
sampling
10%
dry beans
10%
cropland
9%
fertilizer rates
9%
crop coefficient
9%
golf courses
9%
water table
9%
cropping systems
9%
soil quality
9%
Medicine & Life Sciences
Soil
72%
Zea mays
58%
Water
57%
Groundwater
42%
Droughts
39%
Oryza
34%
Triticum
34%
Nitrogen
24%
Agriculture
21%
Biomass
21%
Manure
18%
Fertilizers
17%
Climate
17%
Crop Production
16%
Temperature
16%
Food
16%
Farms
15%
Soybeans
15%
Nitrates
15%
Ecosystem
14%
Lakes
14%
Rivers
14%
Farmers
14%
Technology
14%
Climate Change
13%
Waste Water
13%
Sorghum
13%
Seeds
13%
Food Supply
13%
Growth
12%
Bronchoalveolar Lavage
12%
Pesticides
11%
Economics
10%
Costs and Cost Analysis
10%
Weather
10%
Hot Temperature
10%
Datasets
10%
Nutrients
9%
Endosperm
8%
Health
8%
Salmonella
8%
Salt Stress
7%
Atrazine
7%
Uncertainty
7%
Genotype
7%
Uranium
7%
Genes
7%
Dehydration
7%
Refugees
7%
Greenhouse Gases
7%
Calibration
7%
Panicum
7%
Water Quality
7%
Bacteria
7%
Exercise
7%
Lettuce
6%
Agrochemicals
6%
Poaceae
6%
Microbiota
6%
Anti-Bacterial Agents
6%
Papanicolaou Test
6%
Carbon
6%
Livestock
6%
Liquid Chromatography
6%
Pressure
6%
Cattle
6%
Forests
6%
Lymphoma
6%
Tooth
6%
Education
6%
Diatoms
6%
Population
5%
Chlorophyll
5%
Lung
5%
Cell Biology
5%
Child
5%
Water Resources
5%
Sand
5%
Breeding
5%
Edible Grain
5%
Grassland
5%
Swine
5%
Flour
5%
Iron
5%
Decision Making
5%
Air
5%
Research Personnel
5%
Toxoplasma
5%
Epithelial Cells
5%
Solid Phase Extraction
5%
Microwaves
5%
Phosphorus
5%