FAO socio-economic survey of peasant agriculture in Northern Nigeria - Findings, implications and recommendations relative to extension work

abonos advisory officers agricultura agricultural sector agricultural structure agriculture almacenamiento ambiente rural comunidades rurales cultural methods economia economics economie education educational institutions encuestas engrais environnement rural extension extension activities familia families famille farm management fertilisation fertilizer application fertilizers gestion de l'exploitation agricole leadership living standards manejo de fincas methods migration mode de culture niveau de vie nivel de vida population rurale production rural areas rural communities rural environment rural population rural sociology secteur agricole sector agrario sociologia rural sociologie rurale stockage storage structure agricole surveying surveys teaching materials teaching methods vulgarisation