Subject
soil
agronomy
21
crop
8
fertilization
5
nutrient
4
nitrogen
3
agriculture
2
breeding
2
drought
2
groundwater
2
rice
2
trace contaminant
2
biological stress
1
climatic change
1
contamination
1
corn
1
erosion
1
heat
1
humic substance
1
humus
1
irrigation
1
molybdenum
1
organic matter
1
pesticide
1
phosphorus
1
plant metabolism
1
plant soil relationship
1
polycyclic aromatic hydrocarbon (PAH )
1
redox reaction
1
root growth
1
salinity
1
sewage sludge
1
soil map
1
soil water
1
sustainability
1
sustainable development
1
wheat
1
zeolite
1