translate English to French: Between 1981 and 1996, the average number of bare-soil days in Canada's agricultural regions dropped by almost 20%. As a result, significant decreases have occurred in the percentage of Prairie agricultural land experiencing unsustainable wind and water erosion.
De 1981 Ã 1996, le nombre moyen de jours oÃ¹ les terres agricoles du Canada sont dÃ©nudÃ©es (Â« jours de sol nu Â») a diminuÃ© de prÃ¨s de 20 %, ce qui a entraÃ®nÃ© une baisse considÃ©rable du pourcentage des sols agricoles des Prairies soumis Ã une Ã©rosion Ã©olienne et hydrique dommageable.