The pie chart below shows the main reasons why agricultural lands become less productive. the table shows how these causes affected three regions of the world during the 1990s.

Agricultural land's inefficiency has several main causes that affect the three regions of the world. These are clearly seen in the given illustrations. Degradation is one of the major problems we face that affects many lands across the globe.

Overall

, the reasons for land degeneration in the whole world are over-grazing, deforestation, over-cultivation and others which have a big impact on North America, Europe and Oceania. In the given chart, overgazing is the major reason for deterioration consisting of 35%

while

deforestation consists of 30%.

In addition

, over-cultivation is

also

an impact that dwells at 0.28 and other is the least that consists of 0.07

Moreover

, because of the said reasons, the most land degraded in Europe is about 23%. The second to the highest is Oceania which is 13% and the least is North America consisting of 5% To sum it up, the degeneration of agricultural lands is a major hindrance of the whole world that affects the different regions of the South Pacific including Australia and New Zealand.