For the nutrient amended the soil was fertilized with standard agricultural
fertilizers in order to provide the C:N:P ratio of approximately (100:10:10), 2.5 g/Kg) of NPK was added as nitrogen source , 20ml/Kg of nutritious salts solution ( NH4Cl 2.5g , KH2PO4 5g Mgso4.7H2O 2.5g and distill water 1000ml) [16], then supplemented with the necessary minerals by the use 5g.Kg-1