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

The pie charts illustrate data regarding the primary factors that caused the soil quality to deteriorate,

whereas

the table gives information about the percentage of

field

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fields

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that became useless for agriculture or other purposes in three parts of the world,namely,North America,Europe and Oceania between 1990 and 2000.

Overall

,what stands out from the charts is that

major

Correct article usage

the major

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reason that led to the soil

to degrade

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degrading

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was over-grazing.

Furthermore

,Europe was the most suffering are from

degradation

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the degradation

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of the area Looking into detail,it is apparent that the most contributing factor that caused poor ground quality was over-grazing with approximately one-third.There was little difference between the figures for over-cultivation and deforestation with 28% and 30% respectively.The remaining one-tenth that caused deterioration of the land quality was other reasons. With regard to the table,it is noticeable that Europe had the largest area of useless

field

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fields

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with about one-fourth.İn Oceania ,there

was

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were

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not observed any excessive cultivation cases and despite

this

,cutting of the trees and over-grazing made up 13%

worthless

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of worthless

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area.Meanwhile,in North America,degradation of the land was seen the least and it ranked the

last

among the three parts of the world.