In order to examine the effect of FYM and putrescine K and P as natural rocks to reduce the harmful effect of salinity of irrigation water on sweet marjoram plants growth and oil production. Field experiment was achieved at new reclaimed sandy-loam soil located at Eastern Nile side in face of Beba district Beni Swief Governorate – Egypt; during two experimental seasons (2022 and 2023). The obtained results indicated that, under irrigation with saline water in new reclaimed sandy soil conditions, treated the sweet marjoram plants with FYM and putericin as well as potassium and phosphorus natural rocks significantly improved marjoram plant growth, mineral status and essential oil quantity and quality. The data also shows that, all combined treatments shows more effective than the individual application of each material.