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The Effect of Mineral N Fertilization and Bradyrhizobium japonicum Seed Inoculation on Productivity of Soybean ( Glycine max (L.) Merrill)

Author

Listed:
  • Jerzy Księżak

    (Department of Forage Crop Production, Institute of Soil Science and Plant Cultivation—State Research Institute, Czartoryskich 8 Str., 24-100 Puławy, Poland)

  • Jolanta Bojarszczuk

    (Department of Forage Crop Production, Institute of Soil Science and Plant Cultivation—State Research Institute, Czartoryskich 8 Str., 24-100 Puławy, Poland)

Abstract

Soybean yields can be considerably improved by inoculation with selected Bradyrhizobium japonicum strains and fertilization. The aim of this study was to assess the productivity of two soybean cultivars depending on the applied N mineral fertilizers and seed inoculation with B. japonicum . The study showed that on average, for both cultivars, the soybean yield was most favorably affected by the combined use of inoculation and nitrogen fertilization (increase in seed yield by 42%, protein yield by about 28%). The application of mineral nitrogen at the dose of 30 or 60 kg·ha −1 allowed the increase in the seed yield by about 17% and protein content by about 14% compared to the control. Inoculation of soybean seeds with B. japonicum increased the yield of soybeans by about 20%, proteins by about 10% compared to the control, and inoculation of Hi ® Stick Soy favored a better yield than Nitragina. Inoculation of seeds with Nitragina or Hi ® Stick Soy and fertilization with mineral nitrogen increased the content of protein and fiber in seeds of both soybean cultivars, as well as reduced the amount of ash and fat. The seeds of cv. Aldana had a higher amount of protein and ash than cv. Annushka, but a similar amount of fat and fiber.

Suggested Citation

  • Jerzy Księżak & Jolanta Bojarszczuk, 2022. "The Effect of Mineral N Fertilization and Bradyrhizobium japonicum Seed Inoculation on Productivity of Soybean ( Glycine max (L.) Merrill)," Agriculture, MDPI, vol. 12(1), pages 1-14, January.
  • Handle: RePEc:gam:jagris:v:12:y:2022:i:1:p:110-:d:724153
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    Citations

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    Cited by:

    1. Katarzyna Panasiewicz & Agnieszka Faligowska & Grażyna Szymańska & Karolina Ratajczak & Hanna Sulewska, 2023. "Optimizing the Amount of Nitrogen and Seed Inoculation to Improve the Quality and Yield of Soybean Grown in the Southeastern Baltic Region," Agriculture, MDPI, vol. 13(4), pages 1-11, March.
    2. Agnieszka Faligowska, 2023. "Response of New Yellow Lupin Varieties to Inoculation with Bradyrhizobium sp. Lupinus under Central European Conditions," Agriculture, MDPI, vol. 13(6), pages 1-12, June.

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