Saudi Arabia - Interim report on preliminary results obtained at the Qatif experimental farm.

animal production aves de corral citrus cost analysis crecimiento croissance dates datte drainage drenaje enfermedades de las plantas equipment equipo escarda especies extension extension activities feed crops ferme pilote fertilisation fertilizer application fincas experimentales formation fruit crops frutales granada (fruta) grapes grenade (fruits) growth hortalizas (plantas) industrial crops irrigation maladie des plantes ovin ovinos pilot farms plant diseases plantas forrajeras plantas industriales plante industrielle pomegranates poultry production animale raisin reclamation rendement rendimiento riego sheep species training uva variedades varieties vegetable crops volaille vulgarisation weed control yields