Proposed candidates crops for research and development

accroissement de production agricultural development carica papaya chillies citrus coco coconuts crops cultivos cultivos alimenticios desarrollo de un producto essential oil crops food crops fruit crops frutales goyave guavas guayaba guindilla mango mangoes mangue nephelium lappaceum noix de coco nut crops piment fort plantas de especia plantas de frutos secos plante alimentaire plante de culture politique de la recherche product development production increase research policies spice crops tanzania tanzanie