Subject
agriculture
4
cultivated plant
4
ecosystem
4
plant breeding
3
crop
2
fertilizer
2
forestry
2
plant development
2
plant ecology
2
plant physiology
2
plant protection
2
spruce
2
vegetable
2
wood
2
Biological pest control agents.
1
Botany.
1
Crops
1
Crops.
1
Life sciences.
1
Pests
1
Plant biotechnology.
1
Plant science.
1
anatomy
1
animal breeding
1
animal welfare
1
biotope
1
botany
1
cattle
1
control engineering
1
developing country
1
ecology
1
environmental effect
1
erosion
1
food production
1
forest
1
fruit
1
geography
1
infection
1
infectious disease
1
microorganism
1
nitrate
1
nutrient
1
parasite
1
pest
1
pesticide
1
pesticide residue
1
plant disease
1
plant metabolism
1
plant pathogen
1
process control
1
more ...