This article contains materials on use of water-saving irrigation technologies in order to save water resources under water shortage conditions and materials on the study of effect of irrigation on the duration of the growth phase and yield oil crops. For this purpose, in the Surkhan-Sherabad oasis in conditions of desert-sandy soils, after cultivation winter wheat areas, oil crops were sown as re-cultures, the soybean and sunflower irrigation regimes were studied. At irrigation low-pressure technology of drip irrigation was used.