Quesada-Bermúdez, María Laura, Cristina Chinchilla-Soto, Mayela Monge-Muñoz, Wilson Beita-Sandí, and Juan Chin-Pampillo. 2026. “Effect of Pyrolysis and Temperature on Surface Chemical Properties of Palm, Bamboo and Cypress Biochars”. UNED Research Journal 18 (1):e6499. https://doi.org/10.22458/urj.v18i1.6499.