Which of the following statements is incorrect about land degradation?

The pressure on agricultural land increases not only due to the limited availability but also to the deterioration of the quality of agricultural land. Soil erosion, waterlogging, salinisation and alkalinisation of land lead to land degradation. What happens if the land is consistently used without managing its fertility? The land is degraded and productivity declines. Land degradation is generally understood either as a temporary or a permanent decline in the productive capacity of the land.