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Fragmented ramial wood, or fragmented ramial wood (BRF), is the name given to a non-composted mixture of residues from the grinding (fragmentation) of wood twigs (branches). In this video, Lydia Bourguignon and Bernard Ronot explain the advantages and how to use this new technique. It was in Quebec that Professor Lemieux came up with what he called BRF. By extension, the term "BRF" refers to an innovative agricultural cultivation technique which, by introducing the shredded material into the upper layer of the soil or as mulch, seeks to recreate a rich, aerated soil rich in microorganisms, as is often found in forests. Professor Lemieux of Laval University, Quebec, Canada shows that the characteristics of forest soils can be transmitted to agricultural soils such as stable fertility and high levels of plant productivity. BRF promotes the pedogenesis necessary for the creation of humus. Its use can benefit organic farming or in protective agriculture. It is also sometimes used in gardening, for example from hedge trimming. BRF is mainly used to reinstate biological activity damaged by soil work (plowing) which destroys the habitat of soil inhabitants (pedofauna) by disrupting it and exposing it. To do this, BRF is incorporated on the surface (0 to 4 cm, or even up to 20 cm or more on very degraded soil), then earthworms feed on the cellulose while fungi degrade the lignin. Sources: http://fr.wikipedia.org/wiki/Bois_ram... http://afleurdepierre.com/fr/jardinag... http://www.cheminfaisant2005.net/Uplo... Acknowledgments Lydia Bourguignon - LAMS Laboratory http://www.lams-21.com Bernard Ronot - Graine de Noé Association http://www.graines-de-noe.org/