Agriculture & Biology
acetylene reduction
54%
Asclepias syriaca
33%
bauxite
21%
Bromeliaceae
16%
Calamagrostis
19%
Carex
16%
cleistogamy
21%
Curculionidae
18%
denitrification
23%
erosion control
35%
Euhrychiopsis lecontei
48%
Euphorbia
18%
Euphorbia heterophylla
20%
Euphorbia myrsinites
25%
Euphorbia pulcherrima
20%
hydroponics
26%
lakes
38%
latex
27%
Lespedeza
19%
macrophytes
17%
marshes
17%
Mississippi River
18%
Nicotiana alata
20%
nitrogen
16%
nitrogen fixation
86%
nitrogenase
22%
Peltigera
20%
phytoremediation
28%
Poaceae
39%
rhizomes
29%
runoff
17%
sediments
22%
seed storage proteins
16%
seeds
33%
soil
36%
Solidago
19%
spikelets
19%
stormwater
22%
straw
23%
Typha
46%
Typhaceae
44%
wetlands
25%
wild rice
64%
Zizania
75%
Zizania aquatica
56%
Zizania latifolia
21%
Zizania palustris
28%
Zizania palustris var. palustris
27%
Zizania texana
26%
Earth & Environmental Sciences
acetylene
47%
ammonium
13%
anatomy
13%
bauxite
17%
biomass
16%
carbohydrate
19%
denitrification
17%
ecophysiology
18%
embankment
13%
erosion control
30%
fiber
21%
fixation
31%
flower
18%
gene flow
14%
growing season
13%
growth and development
14%
hydroponics
18%
incompatibility
16%
lake
25%
lichen
14%
macrophyte
17%
marsh
17%
mulch
26%
nitrogen fixation
100%
nutrient cycling
14%
organ
15%
plant biology
22%
potential biocontrol agent
27%
protein
18%
ramet
19%
rare species
14%
rate
16%
rhizome
33%
rice
45%
root system
16%
runoff
15%
seed
51%
seed size
20%
soil
29%
soil nitrogen
15%
starch
19%
stem
13%
straw
26%
student
13%
swamp forest
17%
vegetation
15%
wetland
30%
Medicine & Life Sciences
Acetylene
17%
Alkaloids
14%
Ammonium Compounds
16%
Anabasine
12%
anatabine
13%
Antioxidants
9%
Biomass
10%
Bony Callus
23%
Denitrification
10%
Efficiency
14%
Embryonic Structures
11%
euphol
13%
Euphorbia
68%
Fabaceae
16%
Flowers
16%
Fruit
13%
Gene Flow
19%
Grassland
15%
Growth
10%
Hydroponics
25%
Isoelectric Focusing
15%
Isoenzymes
19%
lanostan-8,24-dien-3-ol
20%
Latex
34%
Lespedeza
26%
Medicago sativa
20%
Mississippi
18%
Molecular Weight
10%
Niacin
16%
Nicotine
9%
Nitrogen Fixation
40%
nornicotine
18%
Oryza
46%
Phosphorus
13%
Plant Roots
10%
Poaceae
54%
Pollen Tube
24%
Population
17%
Rhizome
11%
Rivers
16%
Seed Storage Proteins
25%
Seeds
31%
Soil
37%
Solidago
25%
Starch
14%
Sterols
30%
Tobacco
12%
Typhaceae
50%
Weights and Measures
10%
Wetlands
18%