Symptoms and interrelationships of macro and micronutrients available for soybean

  • Renan Jardel Treter Universidade Regional do Noroeste do Estado do Rio Grande do Sul
  • Ivan Ricardo Carvalho 055996408757
  • Danieli Jacoboski Hutra Universidade Regional do Noroeste do Estado do Rio Grande do Sul
  • Murilo Vieira Loro Universidade Federal de Santa Maria
  • Mariluci Cavinatto Universidade Regional do Noroeste do Estado do Rio Grande do Sul
  • Francine Lautenchleger Universidade Estadual do Centro Oeste
  • Inaê Carolina Sfalcin Universidade Regional do Noroeste do Estado do Rio Grande do Sul
Keywords: Glycine max, nutrient deficiency, excess nutrients, metabolites, linear relationships, plant nutrients

Abstract

Nutrients have differences in their functions as metabolic and structural constituents in plant organs. The specific identification of the symptoms of excess or deficiency of nutrients is essential for the correct management to be carried out in order to avoid production losses. In this context, this research aimed to evaluate the symptoms of deficiency and excess of nutrients in soybean. The experiment was carried out on a bench, with 3-liter containers, in which uniformly germinated seedlings were selected for implantation. Initially, the seedlings were subjected to a complete nutrient solution to allow for a uniform and unrestricted initial development over a period of one week. Then, the plants were subjected to solutions with twice as much nutrient, absence of nutrients, complete solution and nutrient restriction, individual omissions resulted in morphological changes, which translated into visual symptoms characteristic of the nutritional deficiency of the respective nutrient. The solution with twice the nutrient concentration of the complete solution showed an increase in the absorption of N, Mg, K and Fe, for Cu it was twice the absorption and for Zn five times more. There was a decrease in the absorption of Ca and Mn and, with that, it is concluded that the availability of twice as many nutrients did not result in double their absorption.

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References

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Published
2021-12-02
How to Cite
Treter, R. J., Carvalho, I. R., Hutra, D. J., Loro, M. V., Cavinatto, M., Lautenchleger, F., & Sfalcin, I. C. (2021). Symptoms and interrelationships of macro and micronutrients available for soybean. Agronomy Science and Biotechnology, 8, 1-15. https://doi.org/10.33158/ASB.r150.v8.2022

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