By document collection, the feasibility of using three kinds of organic wastes, including sawdust, stalk and mushroom residue as peat substitution on soilless culture was studied. The materials above were mixed with other inorganic materials and 6 substrate of different composition were determined. The physical and chemical characters of the substrate treatments with the growth and development indexes of the plant were analyzed in order to select two best substrate treatment (S1 and S2).The experiment of fe...