Effective elimination requires a partnership in between theprofessional bug control drivers( PCOs) and also the property owner, with both acting to obtain the bugs out-- and them keep out. Chemicals are applied to crops by agricultural aircraft, tractor-mounted crop sprayers or as seed dressings to control pests. The killing of natural adversaries of the target insect need to be minimised. This is especially vital in countries where there are all-natural storage tanks of insects and also their opponents in the countryside surrounding plantation crops, and these co-exist in a delicate equilibrium. Often in less-developed countries, the plants are well adapted to the regional scenario and also no pesticides are required.