Optimizing the Amount of Nitrogen and Seed Inoculation to Improve the Quality and Yield of Soybean Grown in the Southeastern Baltic Region

Katarzyna Panasiewicz (), Agnieszka Faligowska, Grażyna Szymańska, Karolina Ratajczak and Hanna Sulewska
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Katarzyna Panasiewicz: Department of Agronomy, Faculty of Agronomy and Bioengineering, Poznań University of Life Sciences, 11, Dojazd Str., 60-632 Poznań, Poland
Agnieszka Faligowska: Department of Agronomy, Faculty of Agronomy and Bioengineering, Poznań University of Life Sciences, 11, Dojazd Str., 60-632 Poznań, Poland
Grażyna Szymańska: Department of Agronomy, Faculty of Agronomy and Bioengineering, Poznań University of Life Sciences, 11, Dojazd Str., 60-632 Poznań, Poland
Karolina Ratajczak: Department of Agronomy, Faculty of Agronomy and Bioengineering, Poznań University of Life Sciences, 11, Dojazd Str., 60-632 Poznań, Poland
Hanna Sulewska: Department of Agronomy, Faculty of Agronomy and Bioengineering, Poznań University of Life Sciences, 11, Dojazd Str., 60-632 Poznań, Poland

Agriculture, 2023, vol. 13, issue 4, 1-11

Abstract: The cultivation of soybeans, especially where this species has not been grown in large areas, requires the determination of the optimal mineral nitrogen fertilization and seed inoculation with Bradyrhizobium japonicum . The purpose of the study was to determine the optimal dose of mineral N fertilization and seed inoculation treatments with B. japonicum under field conditions in the southeastern Baltic region. The objective of this study was to achieve nitrogen supply and/or inoculation with B. japonicum : check-0 kg N ha −1 , 30 kg N ha −1 , 60 kg N ha −1 , HiStick ® Soy + 0 kg N ha −1 , Nitroflora + 0 kg N ha −1 , HiStick ® Soy + 30 kg N ha −1 , HiStick ® Soy + 60 kg N ha −1 , Nitroflora + 30 kg N ha −1 , Nitroflora + 60 kg N ha −1 . Higher yields of seeds, protein and fat were found after application HiStick ® Soy compared to Nitorflora. The inoculation with B. japonicum together with nitrogen fertilization improved crude protein content in seeds, biometrical features, yield components and especially the seed yield of ‘Aldana’ soybean. The highest seed yield was found after the application of HiStick ® Soy and nitrogen fertilization in doses 30 kg N ha −1 or 60 kg N ha −1 . Compared to the control, combined B. japonicum inoculation and nitrogen fertilization in soybean cultivation proved to be a significant factor in improving the productivity of this species in southeastern Baltic conditions.

Keywords: soybean; inoculation; N fertilization; productivity; chemical composition (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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