The Effect of Applying Different Doses of Biochar on Amaranth and Sorghum Seedlings Grown in Black Soil

Authors

  • Mykola Kharytonov Centre of Nature Agriculture, Dnipro State Agrarian and Economic University (ROR: https://ror.org/01s5n0596), 49009, Dnipro, Ukraine.
  • Nadia Martynova Laboratory of Natural Flora, Botany Garden, Dnipro National University (https://ror.org/00qk1f078), 49010, Dnipro, Ukraine.
  • Alla Samarska Biology / Ecology Working Group, Institute of Biosciences, Technische Universität Bergakademie Freiberg, Freiberg (https://ror.org/031vc2293), Germany.

DOI:

https://doi.org/10.63095/NBSEH.26.773234

Keywords:

Amaranth, Sorghum, Biochar, Black soil, Germination, Biomass growth

Abstract

Biochar shows broad potential for use as a soil amendment. The success of its application relies on the optimal dose and the type of plant grown. The use of biochar delayed the germination of amaranth seeds. Subsequent seedling development was significantly better than the control values in both experimental treatments (biochar application doses of 2.5% and 5%). In the experiment with sorghum, plants had a positive response only under a relatively small dose of the amendment (2.5%). In addition, both doses of biochar slowed down and reduced germination of sorghum seeds.

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References

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This study examines the effect of two biochar application rates (2.5% and 5%) on the germination and biomass growth of amaranth and sorghum seedlings cultivated in black soil. Biochar application delayed germination in amaranth, yet both doses significantly increased seedling biomass compared to the control. In sorghum, a positive growth response occurred only at the lower dose (2.5%), but both doses reduced germination rates. These results indicate that the optimum biochar dose is crop‐specific, with lower doses favouring sorghum growth and both doses enhancing amaranth biomass despite initial germination delays.

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Published

2026-02-06

How to Cite

Kharytonov, M., Martynova, N., & Samarska, A. (2026). The Effect of Applying Different Doses of Biochar on Amaranth and Sorghum Seedlings Grown in Black Soil. Natural Built Social Environment Health, 2(1), 27–37. https://doi.org/10.63095/NBSEH.26.773234