. 2023 Oct 12;28(20):7050. doi: 10.3390/molecules28207050
© 2023 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Figure 3.
X-ray diffraction of natural and biochar OP.