Biochar-based fertilizers, co-composting, and growing media

Leônidas C.A. Melo*, Carlos Alberto Silva, Miguel Ángel Sánchez-Monedero, Keiji Jindo, Sarasadat Taherymoosavi, Stephen Joseph

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review


Biochar might have a synergistic interaction with fertilizers and can be used to produce biochar-based fertilizers (BBF) of enhanced efficiency. There are different routes to produce such BBF, such as direct pyrolysis of nutrient-rich feedstock, impregnation of biochar with nutrients, co-pyrolysis of nutrient-enriched feedstock, reuse of nutrient-loaded biochar after adsorption, and activated nutrient-loaded biochar. Here, we explore the routes to produce BBF and the mechanisms of nutrient release from these novel materials. We also evaluate the use of biochar in the process of co-composting and its use as a soil amendment, the use of biochar in growing media, and discuss biochar-based foliar sprays and liquid fertilizers. Finally, we make recommendations for product development and point out future research needs.
Original languageEnglish
Title of host publicationBiochar for Environmental Management
Subtitle of host publicationScience, Technology and Implementation
EditorsJ. Lehmann, S. Joseph
PublisherTaylor & Francis
Number of pages26
ISBN (Electronic)9781003297673
Publication statusPublished - 3 Jun 2024


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