Agriculture & Biology
Phalacrocoracidae
100%
Bromus tectorum
81%
Phalacrocorax
75%
pandemic
73%
Artemisia
67%
Aves
66%
Neotropics
64%
case studies
48%
semiarid zones
45%
ecological models
40%
dynamic models
40%
birds
34%
breeding
34%
soil carbon
34%
biochar
34%
bolls
34%
infiltration (hydrology)
33%
Solanum
33%
carbon sequestration
33%
microbial biomass
31%
soil organic matter
30%
turf grasses
30%
hydrology
28%
soil properties
28%
simulation models
27%
soil organic carbon
27%
weed control
26%
seed germination
24%
plant growth
23%
overland flow
22%
cotton
22%
plant communities
21%
fertilizers
21%
genetic markers
21%
Chrysothamnus nauseosus
20%
sucrose
20%
microbial communities
19%
sowing
18%
Viola
18%
genetic variation
17%
germination
17%
soil
16%
Artemisia tridentata
16%
educational institutions
16%
urban soils
15%
total nitrogen
14%
rangelands
13%
Solanum lycopersicoides
12%
Richards' equation
12%
Washington (state)
12%
soil water
12%
seeds
11%
soil texture
11%
soil quality
11%
potting mix
11%
noxious weeds
10%
fiber quality
9%
community ecology
9%
Coronavirinae
9%
lawn soils
9%
bulk density
9%
Agropyron cristatum
8%
Gossypium hirsutum
8%
farms
8%
Sphagnum
7%
Solanum lycopersicum
7%
grasses
7%
soil sampling
7%
phenotypic plasticity
7%
selection pressure
7%
invasive species
7%
decision making
7%
sand
6%
Earth & Environmental Sciences
genetic variation
69%
urban landscape
65%
biochar
60%
steppe
59%
breeding
56%
recharge
50%
algal bloom
50%
marker
47%
DNA
47%
plain
43%
spatial distribution
39%
simulation
34%
land
33%
plant production
33%
flower
32%
fertilizer
31%
sucrose
31%
model validation
31%
soil carbon
29%
cotton
28%
land management
28%
marsh
27%
evaluation
27%
carbon sequestration
26%
seeding
25%
modeling
25%
soil property
25%
wildlife
24%
plant community
24%
soil
24%
glyphosate
21%
cultivar
21%
restoration
21%
public
21%
vegetation
20%
training center
19%
resource
19%
climate
18%
biomass
18%
soil organic matter
17%
water
17%
ecosystem
16%
project
16%
comparison
14%
peat
13%
distribution
12%
wetland
12%
organic carbon
12%
rate
12%
microbial community
11%
effect
11%
moss
10%
disturbance
9%
watershed
9%
trend
8%
health
7%
ecosystem dynamics
7%
grass
7%
nitrogen
7%
insecticide
7%
soil texture
6%
grazing
6%
persistence
6%
ester
5%
pesticide
5%
shrub
5%
field experiment
5%