Etude de sauvegarde des oasis du sud tunisien, oasis de Chekmou et Hezoua - Note 10

accounting capital productivity cereal crops contabilidad credit credito cultivos de cereales equipment equipo exploitation agricole explotaciones agrarias extension extension activities farming systems farms feed crops financement financiamiento financing ganado graine intereses del capital inversiones investissement investment livestock petite exploitation agricole plantas forrajeras seeds semilla small farms vulgarisation