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Information Journal Paper

Title

Investigating the Interaction of Inoculation of Biological Fertilizers and Application of Chemical Fertilizer on Soybean Characteristics under Weed Free and Weedy Check Conditions

Pages

  95-114

Abstract

 Background and objectives: Inoculation of crops with mycorrhiza fungi and growth-promoting bacteria increase the growth due to the high benefits including increased root area and nitrogen fixation. Also, nitrogen increases the seed yield in crops by playing an important role in crop growth and development. On the other hand, an increase of competition between crop-weeds and reducing the access of crops to resources reduces seed yield. Therefore, this experiment was conducted aimed to investigate the interaction of mycorrhiza, rhizobium inoculation and nitrogen fertilizer on Soybean characteristics under weedy check and weed-free conditions. Materials and methods: This experiment was conducted in Ali Abad Katoul County in 2016. Treatments were included 1-Weed management at two levels of weed free and weedy check, 2-inoculation of biological fertilizer at four levels of non-application (control), inoculation of seeds with Bradyrhizobium japonicum, inoculation of seeds with mycorrhizal fungus Glomus mosseae and co-inoculation with Mycorrhiza and Rhizobium and 3-Application of nitrogen fertilizer (pure) from the source of Urea fertilizer at three levels of zero (control), 25 and 50 Kg ha-1. Results: The results of this experiment showed that the effect of biological fertilizers and the interaction of weed and chemical fertilizer on maximum Soybean Leaf area index was significant. Also, the results of this experiment showed that the effect of biological fertilizer, nitrogen fertilizer and weed management on yield components and seed yield was significant. So, with increasing application of nitrogen fertilizer, inoculation with biological fertilizer and Weed control, number of pods per plant, 100 seed weight and number of seeds per plant increased. According to the results of this experiment, the highest number of pods in Soybean (67. 29 pods per plant) was observed during weedy check, use of mycorrhiza fungus and 50 Kg N ha-1 in hectare. Seed yield with Weed control increased 22. 2% and by using 50 kg of pure nitrogen, 16. 3% was added to seed yield compared to control. Inoculation with mycorrhizal fungi and rhizobium also increased 8. 6% and 13. 2% of seed yield, respectively, as compared to the control. Conclusion: According to the results of this experiment, in utilization of biological fertilizer treatment, co-inoculation of mycorrhiza and rhizobium and inoculation with rhizobium and in chemical fertilizer treatment, 50 Kg N ha-1 had the highest seed yield. Also, in both weed free and weedy check conditions, co-inoculation with mycorrhiza and rhizobium increased the amount of final dry matter of Soybean. Therefore, it can be concluded that the improvement of growth conditions for Soybean (weed free and utilization of nitrogen and biological fertilizer) causes the Leaf area and dry matter accumulation increase during the growing season. Enhancement of Leaf area and dry matter accumulation increased Soybean yield components and ultimately increased seed yield. So, with regard to the cost of biological fertilizers, the usage of rhizobium is more cost-effective than mycorrhiza, and it's been suggested that research be conducted on a solution to coating seeds with biological fertilizers, especially rhizobium.

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    APA: Copy

    Parsa, Bahram, ABBASDOKHT, HAMID, GHOLAMI, AHMAD, & FARAJI, ABOLFAZL. (2018). Investigating the Interaction of Inoculation of Biological Fertilizers and Application of Chemical Fertilizer on Soybean Characteristics under Weed Free and Weedy Check Conditions. ELECTRONIC JOURNAL OF CROP PRODUCTION, 11(3 ), 95-114. SID. https://sid.ir/paper/363469/en

    Vancouver: Copy

    Parsa Bahram, ABBASDOKHT HAMID, GHOLAMI AHMAD, FARAJI ABOLFAZL. Investigating the Interaction of Inoculation of Biological Fertilizers and Application of Chemical Fertilizer on Soybean Characteristics under Weed Free and Weedy Check Conditions. ELECTRONIC JOURNAL OF CROP PRODUCTION[Internet]. 2018;11(3 ):95-114. Available from: https://sid.ir/paper/363469/en

    IEEE: Copy

    Bahram Parsa, HAMID ABBASDOKHT, AHMAD GHOLAMI, and ABOLFAZL FARAJI, “Investigating the Interaction of Inoculation of Biological Fertilizers and Application of Chemical Fertilizer on Soybean Characteristics under Weed Free and Weedy Check Conditions,” ELECTRONIC JOURNAL OF CROP PRODUCTION, vol. 11, no. 3 , pp. 95–114, 2018, [Online]. Available: https://sid.ir/paper/363469/en

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