الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Legume response to inoculant is measured as the increase in the yield of inoculated over the uninocuated crops. Maximum benefits of N2fixation by legumes often requires the inoculation of selected strains of Rhizobium in seed inoculants. The inoculant strain must be effective in its ability to fix N2 with cultivar concerned and possess the ability to compete for nodulation of the plant with other strains of rhizobia that might be present in the soil. I Soybean : A. Greenhouse experiment:A pot experiment was designed to explore the efficiency of interaction of native rhizobia and four strains of Bradyrhizobium japonicum ( 110, 1477, sb.6 and 3432). B Field experiment:To verify the validity of the results obtained under greenhouse conditions, a field experiment with split <U+2013>plot design was carried out. The same inoculation treatments with two promiscuous cultivars of soybean (Giza 21 and Clark) were applied. II Faba Bean : A. Greenhouse evaluation of rhizobial strains: 1. Twenty isolates of Rhizobium leguminosarum bv. viceae were isolated from root nodules of faba beam plant grown in three Governorates (Kafr ElSheikh, Gharbia and ElDakahlia). B Field experiment: A split plot design with three replicates was carried out to study the response of two faba bean varieties (Giza 3 and Giza blanca) to inoculation with four local strains (303, 312, 316 and 317) used in a form of single, double and quadruple strains inocula. Future Prospects: Rhizobium, although capable of living for long periods in the soil, is primarily a rhizosphere organism. Seeds inoculation, however, introduced vegetative rhizobia into a nonrhizosphere niche.