The pie chart below shows the main reasons why agricultural land becomes less productive. The table shows how these causes affected these regions of the world the 1990s

The chart presents the main causes of agricultural soil

becomes

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becoming

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less productive. The table depicts how these issues impacted

three

different countries of the world in the 90's.

Overall

, there were

three

main reasons for land degradation

such

as over-grazing,

deforestation

, and over-cultivation. Whilst, among the

three

regions, the most affected was Europe, at 23%.

To begin

, less than one in twenty, 0,2%, soil was degraded by the highest rate of

deforestation

in North America.

Then

, the percentage of 3.3% caused by over-cropping and 1.5% because of over-grazing.

On the other hand

, in Oceania, the biggest percentages were in over-grazing, at 11.3% over

three

main problems. A small percentage of 1.7% is affected by

deforestation

. Europe was the most encountered nation with the highest percentages at 23%. Looking at details, the significant increase in

deforestation

was the main factor why the ground in Europe became degraded. The second issue is people start

cropping-off threes

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cropping off trees

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in enormous percentages, at 7.7%.

Lastly

, more than 5% of degradation

affected

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is affected

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by over-grazing.