translate English to French: Much of this loss occurred in the first couple of decades of cultivation, and has been accentuated by intensive tillage, biomass burning and removal of residues.
La majeure partie de cette perte est survenue dans les premiÃ¨res dÃ©cennies de culture, et a Ã©tÃ© accentuÃ©e par le travail intensif du sol, le brÃ»lage de la biomasse et lâ€™extraction de rÃ©sidus.