The pie chart below represents the main reasons why agriculture land becomes less productive. The bar chart shows how these causes affected three regions of the world in the 1990s. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The given pie chart demonstrates the major reasons why agricultural land becomes less productive, whereas the bar chart represents the impact of these causes on three different regions of the world in the 1990s. Overall, a considerable percentage showed over-grazing, which was the most significant factor of causing land degradation, while salinisation represented the lowest […]