Station research and agricultural experiments South Riyadh logic Dirab where away from the building of the Faculty of Science of Food and Agriculture is about 50 kilometers, has been established the station in 1396 -1976 AD on an area of about 220 hectares (2200 acres), an area under them in 1431 about 200 hectares it carried out many experiments and research on various types of agricultural crops field and this area also include fixed installations and buildings and roads up the longest 11 km.