Microbiological Studies On The Reclamation Of New Valley Clay soil Containing High Percentage Of IRON

Study the microbiological and chemical properties of some kharga and Dakhala soil under different degrees of reclamation and cultivation together with virgin soils. Reclamation experiments were also conducted in laboratory to investigate the effect of leaching with or without the addition of Gypsum, sulphur and compost on the microbiological and chemical properties of these soil.