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