(a) Agricultural Extension is an informal system of education whereby information on new Innovations and ideas are disseminated to farmers
(b) The various ways to disseminate new idea sand techniques to farmers in Nigeria are:
i) Mass media: This method involves the reaching of many people with extension messages. These messages must be general so as to be of interest to all. Such mass media include posters, agricultural shows , leaflets, cinema, newspaper/magazines, radio and television
(ii) Individual method: This involves direct contact between the farmers and the extension officers Such method includes farm and home visits, office call, telephone calls, correspondence and result demonstrations
(iii) Group method: This involves the extension officers and a group of farmers it includes methods and result demonstrations, general meetings, lectures, workshops, field works and excursions.