The pie chart below show the main reason why agricultural land become less productive. The table show how these cause affected three regions of the world during 1990s. Summarize the information by selecting and reporting the main features and make comparis v.2

The pie chart and table describe the reasons of destruction of farming land in three different areas in 1990s. Averagely over grazing has been known as a main cause of drop in productivity of agricultural land. Over-grazing, over-cultivation- deforestation and other is introduced as a most important devastating parameters which decrease the beneficial of agriculture. First of all, Europe region suffer again 23% total land degraded, on the other hand, just 5% of agricultural land degraded in north America. Deforestation was the most significant cause of agricultural land demolishment in Europe by 9. 8% and over-grazing by 11. 3% introduced as a main reason in Oceania, while, Over-cultivation but had not any effect on agriculture productivity there. In North America over cultivation and deforestation had the most and the least effect respectively. Totally, apart from over-grazing, Europe had the most percentage of degradation by introduced variable, in comparing with other two areas.