**5. Conclusions**


**Author Contributions:** Conceptualization, A.M.-J.; methodology, A.M.-J and M.J.; validation, I.C.-P.; formal ´ analysis A.M.-J., M.J., and J.T.; investigation, A.M.-J; writing—original draft preparation, A.M.-J.; writing—review and editing, A.M.-J., I.C.-P., and M.J. All authors have read and agreed to the published version of the manuscript. ´

**Funding:** This research was funded from the "Young scientists financial support programme", project no B030/0019/18, from the Wroclaw University of Environmental and Life Sciences, Poland.

**Acknowledgments:** Special thanks to Swidnicka Fabryka Urz ˛ ´ adze ´n Przemysłowych for providing wheat straw biochar for the study.

**Conflicts of Interest:** The authors declare no conflict of interest.
