This 450-page publication draws on a range of experiences dealing with communication technologies in Africa. It maintains that communication media and techniques can help overcome barriers of literacy, language, cultural differences, and physical isolation, and can educate people about agricultural ideas and technical innovations to improve food production. "Communication can facilitate agricultural development by giving a voice to those involved ... fostering acceptance of agricultural development policies and programmes; mobilising people for participation and action; conveying information for education and training; and helping to disseminate new technologies."