Status review report of Angunakolapelessa Regional Agricultural Research Centre - Operational area [Sri Lanka]

agricultural development agricultural products agricultural resources agricultural situation clima climat climate commercialisation coyuntura agraria environmental factors extension extension activities facteur du milieu factores ambientales land use marketing mercadeo produit agricole recherche recursos agrarios rendement rendimiento research research support ressource agricole situation agricole socioeconomic environment soutien de la recherche sri lanka utilisation des terres vulgarisation yields