This study focuses on the characterization and functioning of oasis agricultural systemin in upper part Oued Righ valley southeastern Algeria. It aims to determine, through surveys, determining elements production systems, their evolution constraints understand dynamics. The results obtained, according cropping system criterion, enabled us identify characterize four types systems : (P1) Date pa...

The perimeters of the Oued-Souf region are irrigated by salty water coming from phreatic and thus progressive salinization soil occurs. This study aims at a qualitative analysis evolution salinity in soils pivot irrigation for several years. For this, three plots were pivots each agricultural region. choice these 3 is justified number years their cultivation: plot 1 has been cultivated 2 (2016–...