Agriculture & Biology
soil
78%
soil organic carbon
51%
phosphorus
32%
agroecosystems
30%
permanganates
28%
magnesium ammonium phosphate
28%
soil enzymes
25%
cover crops
21%
assays
19%
soil quality
19%
soil organic matter
19%
spectroscopy
18%
corn
17%
soil science
17%
reflectance
15%
lithology
15%
soil properties
15%
organic carbon
15%
nitrogen
14%
carbon
14%
nitrophenols
14%
glucosidases
13%
fertilizers
13%
Coffea canephora
12%
soil carbon
12%
diammonium phosphate
12%
carbon sinks
12%
soybeans
12%
Kenya
11%
Oxisols
11%
enzyme activity
11%
artificial intelligence
11%
soil sampling
10%
minerals
9%
tillage
9%
soil pH
9%
reduced tillage
8%
radiative transfer
8%
ex ante analysis
8%
science education
7%
soil types
7%
andesite
7%
Nematoda
7%
uncertainty
7%
vegetable yield
7%
weathering
7%
dissolved organic matter
7%
biogeochemistry
7%
Fourier transform infrared spectroscopy
7%
tomatoes
7%
Earth & Environmental Sciences
soil
100%
organic carbon
47%
struvite
35%
agricultural ecosystem
32%
assay
31%
maize
28%
crop
22%
soil organic matter
18%
enzyme activity
18%
FTIR spectroscopy
17%
enzyme
16%
carbon stock
16%
soil nitrogen
16%
soil carbon
15%
phosphate
14%
substrate
14%
soil science
13%
health
13%
reflectance
12%
tillage
12%
vegetable
11%
soil surface
10%
soil property
10%
superphosphate
9%
machine learning
9%
spectroscopy
9%
soil type
9%
land use
9%
nitrogen
8%
indicator
8%
oxide
8%
nanoparticle
8%
mineral
8%
phosphate rock
8%
biomass
8%
wastewater
8%
lithology
8%
sanitation
7%
comparison
7%
arbuscular mycorrhiza
7%
functional group
6%