The effect of inoculation by two bio-fertilizers, Rhizobium radiobacter and Candida incommunis, mixed with different levels of nitrogen fertilizer on vegetative growth of the winter wheat cultivar (Maser 1) was studied in the field experiment of sandy soil farm at 6th October Agriculture Company, El-Qasasin, Ismailia Governorate, Egypt.Results indicated that the addition of different levels of min...