Zayed,, A. (2003). GROWTH PROMOTION OF SOME SOYBEAN CUL TIVARS BY RHIZOBIUM AND PHOSPHATE-SOLUBILIZING BACTERIA. Journal of Soil Sciences and Agricultural Engineering, 28(10), 7481-7490. doi: 10.21608/jssae.2003.245313
A. Zayed,. "GROWTH PROMOTION OF SOME SOYBEAN CUL TIVARS BY RHIZOBIUM AND PHOSPHATE-SOLUBILIZING BACTERIA". Journal of Soil Sciences and Agricultural Engineering, 28, 10, 2003, 7481-7490. doi: 10.21608/jssae.2003.245313
Zayed,, A. (2003). 'GROWTH PROMOTION OF SOME SOYBEAN CUL TIVARS BY RHIZOBIUM AND PHOSPHATE-SOLUBILIZING BACTERIA', Journal of Soil Sciences and Agricultural Engineering, 28(10), pp. 7481-7490. doi: 10.21608/jssae.2003.245313
Zayed,, A. GROWTH PROMOTION OF SOME SOYBEAN CUL TIVARS BY RHIZOBIUM AND PHOSPHATE-SOLUBILIZING BACTERIA. Journal of Soil Sciences and Agricultural Engineering, 2003; 28(10): 7481-7490. doi: 10.21608/jssae.2003.245313
GROWTH PROMOTION OF SOME SOYBEAN CUL TIVARS BY RHIZOBIUM AND PHOSPHATE-SOLUBILIZING BACTERIA
Soil and Water Scis. Dept., Fac. of Agric. Suez Canal Univ.
Abstract
A field experiment was carried out during 2001 at the Experimental Farm of the Faculty of Agriculture, Suez Canal University. The aim of the present study was to evaluate the response of four soybean (Glycine max (L) Merrill) cultivars, Giza 21, Giza 35. Crawford and Clark, grown on sandy soil inoculated with rhizobium and phosphate solubilizing bacteria (PSB). Also, it includes the effects of each and both bacterial inoculation on root, shoot and seed N, P, protein and oil contents.
Roots. straw dry weights, seed yield, 100-seed weight, nodule fresh weights and nodule numbers were siginificantly higher for both single and combined inoculation by rizobia and/or PSB than the un inoculated seeds.Giza 35 soybean cultivar exhibited the best results.
Roots, straw and seed Nand P contents of soybean cultivars were greatly influenced by bacterial inoculation. The highest mean values for roots, straw and seed N and seed protein contents were obtained when soybean seeds were treated with the combined inoculation by rhizobium and PSB as compared with the single inoculation or uninoculated seeds. Meanwhile, the highest mean values for roots, straw and seed P content were obtained for soybean seeds inoculated with PSB alone as compared with the inoculated seeds with rhizobium alone or comtined inoculation by rhizobium and PSB. Crawford soybean cultivar gave the highest root N and P contents while Giza 21 cultivar gave the highest straw and seed Nand P contents. There were no significant differences in seed oil content as a result of bacreial inoculation. Slight differences in seed oil content were found regarding the variation in soybean cultivars.
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