translate English to French: For example, a recent analysis of residual N in Canadian farmland reported values of ≥ 41 kg/ha in the lower Fraser Valley of British Columbia; the corridor of agricultural land from Lethbridge through Red Deer to Edmonton in Alberta; the Melfort area in northeastern
Les récents surplus d’azote au Canada sont faibles en regard du seuil de 100 kg/ha proposé par Schleef et Kleinhanss (1994).