Agricultural Entomology is a multidisciplinary area of research. It is applied ecology with roots in plant protection and the population dynamics of insects. Insects play a role in agriculture. Agricultural Entomology is the study of insects both beneficial and harmful to crops and farm animals in relation to agriculture.
Weeds, diseases, pests can cause irreversible damage to farm animals and agricultural crops. Approaches to manage such weeds, diseases and pests include the use of pesticides or biological pest control covered under Pest Management