‘Formiguers’, a historical system of soil fertilization (and biochar production?)

Autor: Olarieta, J.R., Padrò, R., Masip, G., Rodríguez-Ochoa, R., Tello, E.
Zdroj: In Agriculture, Ecosystems and Environment 30 January 2011 140(1-2):27-33
Databáze: ScienceDirect