Agriculture & Biology
acid soils
9%
adsorption
19%
agricultural land
16%
application rate
8%
biomass
7%
biomass production
7%
breeding programs
6%
chemical composition
6%
cropping systems
32%
desorption
7%
dissolved organic carbon
9%
dissolved organic matter
22%
earthworms
43%
environmental law
10%
farms
5%
fertilization (reproduction)
30%
fertilizers
6%
grain yield
6%
grasses
59%
grassland soils
11%
grasslands
58%
greenhouse experimentation
17%
hydrochemistry
8%
land use
16%
legumes
6%
liming
40%
Lolium
7%
Lolium multiflorum
7%
Lumbricus terrestris
9%
microbial activity
7%
mineralization
6%
nutrients
10%
orthophosphates
18%
oxides
6%
paddy soils
10%
phosphorus
100%
plant breeding
8%
rice
22%
rooting
8%
seed mixtures
11%
soil
59%
soil acidification
5%
soil fauna
11%
soil fertility
6%
soil organic matter
14%
soil pH
8%
soil sampling
11%
structural equation modeling
11%
subsoil
20%
worm casts
45%
Earth & Environmental Sciences
adsorption
6%
biomass
7%
complexation
5%
cropping practice
33%
cultivar
5%
dry matter
5%
earthworm
38%
effect
5%
experiment
8%
grass
37%
grassland
27%
incubation
6%
liming
41%
limiting factor
8%
metal oxide
5%
nutrient
5%
orthophosphate
5%
phosphatase
8%
phosphorus
73%
plant breeding
6%
rice
29%
soil
32%
soil fertility
5%
subsoil
8%
Medicine & Life Sciences
Fabaceae
7%
Fertilization
36%
Fertilizers
52%
Grassland
8%
Oryza
40%
Phosphorus
71%
Poaceae
14%
Soil
61%