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The Effect of Biofertilizer (Bradyrhizobium japonicum) and Mycorrhizal Fungus (Glomus mosseae) and Phosphorus in characters Growth of Soybean Glycine max L. Merrill in Gypsum Soils | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 13, Issue 2, 2013, Pages 251-268 | ||
| Abstract | ||
| Two factorial field experiments were conducted in the summer season of the year (2010) under Gypsiferous soil conditions, one sterilized and the other non - sterilized. to study the effect of biofertilizer (Bradyrhizobium japonicum) bacteria and mycorrhizal fungus (Glomus mosseae) at different levels of phosphorus (0, 80, 160 and 240 kg p.ha-1) on growth of soybean Glycine max L. The results obtained can be summarized as follows: Rhizobial inoculation increased significantly in traits shoot dry weight, root dry weight, mycorrhizal fungi infection percentages, number of nodules, phosphorus concentration, shoot phosphor uptake in the vegetation during the flowering stage, by increasing in percentage (56.72, 10.23, 18.55, 26.73, 22.58 and 82.16%) in the sterilized soil and (50.77, 11.38, 21.56, 30.09, 18.51 and 70.97%) , in the non - sterilized soil, respectively. Resulted mycorrhizal inoculation increased significantly in the rate of the above qualities (174.10, 29.05, 61.99, 107.64, 34.48 and 243.74%) in the sterilized soil, and (163.21, 28.94, 67.92, 119.67%, 60.86, 313.12%) in the non sterilized soil, respectively. The results showed fertilizer phosphate significantly increased as compared with non fertilized in most studied properties. Results showed interaction between inoculation with rhizobium and phosphate fertilization, and interaction between inoculation with mycorrhizal fungi and phosphate fertilization, and triple interaction Rhizobial and mycorrhizal and phosphor, to give the inoculated treatment and fertilized level 160 kgP.h -1 highest values in most studied traits. | ||
| Keywords | ||
| biofertilizer; soybean | ||
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