Subject
fertilizer
crop
5
cultivated plant
3
fertilization
3
plant physiology
3
agriculture
2
nitrate
2
nutrition
2
plant breeding
2
plant protection
2
soil chemistry
2
soil protection
2
sustainable use
2
agronomy
1
denitrification
1
dissolved organic matter (DOM)
1
drinking water contamination
1
eutrophication
1
nitration
1
nitrification
1
nitrogen
1
nitrogen cycle
1
nitrogen fixation
1
nutrient
1
phosphate
1
phosphate mineral
1
plant development
1
plant growth
1
productivity
1
soil acidity
1
soil biology
1
soil pollution
1
water pollution
1
water pollution control
1