Agriculture & Biology
riparian vegetation
100%
cerrado
77%
soil organic matter
66%
Brazil
46%
topsoil
31%
factor analysis
30%
Acrustox
25%
chemical composition
21%
soil
21%
pyrolysis gas chromatography
21%
vegetation
21%
grasses
21%
humic substances
18%
riparian forests
18%
subsoil
17%
forest litter
16%
research programs
15%
pyrolysis
15%
spinning
14%
savannas
14%
gas chromatography-mass spectrometry
13%
nuclear magnetic resonance spectroscopy
13%
moieties
13%
chemistry
12%
shrubs
12%
lignin
11%
carbohydrates
9%
Earth & Environmental Sciences
riparian vegetation
85%
cerrado
77%
soil organic matter
67%
litter
66%
factor analysis
23%
topsoil
23%
pyrolysis
21%
grass
20%
chemical composition
18%
soil
15%
riparian forest
14%
vegetation
14%
humic substance
13%
lignin
12%
subsoil
12%
solid state
12%
carbohydrate
11%
research program
11%
nuclear magnetic resonance
11%
gas chromatography
10%
shrub
10%
polarization
10%
mass spectrometry
10%
spectroscopy
9%
sustainability
8%
material
4%
Medicine & Life Sciences
Soil
76%
Brazil
64%
Forests
60%
Pyrolysis
31%
Poaceae
25%
Statistical Factor Analysis
18%
Organic Chemistry
17%
Humic Substances
17%
Lignin
15%
Gas Chromatography-Mass Spectrometry
11%
Carbohydrates
8%
Magnetic Resonance Spectroscopy
8%