Gardud soil water management for sorghum production and resources conservation [Sudan]

acacia mellifera acacia tortilis agua del suelo arbre caracteres de rendimiento composante de rendement conservation des ressources cosecha crop yield eau du sol fertilisation fertilizer application harvesting lluvia plant population plant production pluie rain rendement des cultures rendimiento de cultivos resource conservation soil texture soil water sorghum bicolor soudan sudan textura del suelo texture du sol trees yield components