Subject
plant soil relationship
soil
7
soil chemistry
plant
6
cultivated plant
4
moisture
4
root
4
root growth
4
soil water
4
groundwater
3
agriculture
2
ecology
2
modeling
2
soil biology
2
soil microbiology
2
soil physics
2
water
2
water uptake
2
wheat
2
animal
1
arsenic
1
biodiversity
1
cadmium
1
characterization
1
classification
1
crop
1
database system
1
deficiency disease
1
environmental health
1
environmental significance
1
erosion
1
fertilizer
1
food production
1
formation
1
geochemistry
1
information storage and retrieval
1
interaction
1
iron
1
microbial metabolism
1
mineral nutrition
1
nutrient
1
nutrition
1
plant breeding
1
public health
1
rhizosphere
1
selenium
1
soil protection
1
sustainability
1
taxonomy
1
vegetation
1
more ...