B4FA Fellow Michael Ssali writes:
Pests are described as insects, bacteria, viruses, birds, and rodents that destroy crops by eating them or by infecting them with diseases.
They are often a nuisance which results in huge losses for the farmer. They can damage the crop when it is growing in the field or after harvest during storage.
The common methods of fighting pests may be categorised as chemical and preventive.
The chemical method is so far regarded by most farmers as the quicker and more effective way of controlling pests. A specific chemical that kills particular pests is used in the correct dosage to dust, fumigate, or spray the crop. Chemicals manufactured to kill pests are referred to as pesticides and they are sold in registered farmers’ shops. Pesticides are poisonous and therefore they can be dangerous to their handlers and to the consumers of the crops that they are meant to protect.
Pesticides can also kill innocent insects, and animals that live naturally in the environment where the chemicals are used. Read more