translate English to French: It was found that 40–60% of the leaching of K+, Ca2+, and Mg2+ from these canopies results from this exchange process, with the remainder attributable to coleaching with plant-derived anions.
On a trouvé que 40 à 60% du lessivage de K+, Ca2+ et Mg2+ des cimes de ces peuplements résulte de ce processus d'échange, le reste étant attribuable au co-lessivage par les anions provenant des cimes.