Amelioration of saline and sodic soil by organic and inorganic amendments can be improved the physical, chemical and biological properties of soil. A laboratory experiment using soil columns was conducted to evaluate the effect of different amendments on some physical and chemical properties of a highly calcareous saline sodic soil (pH= 8.3, ECe= 55 dS/m, CaCO3= 26.12% and ESP=27.5%). The ... إقراء المزيد