| 1. | About 65 % of Africa's agricultural land suffers from soil degradation.
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| 2. | Fertile lands in the highlands suffer from severe soil degradation, erosion and extensive deforestation.
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| 3. | Soil degradation such as erosion, compaction, lowered fertility, and contamination continue to be serious concerns.
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| 4. | The vehicles cause soil degradation, erosion, and plant mortality.
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| 5. | Soil degradation in the dry zone leads to desertification.
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| 6. | Water pollution, air pollution, and soil degradation pose enormous threat to ecosystems and human health.
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| 7. | These schemes often lead to soil degradation and salinization.
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| 8. | Instead, the authors might want to consider a limit on soil degradation or soil loss.
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| 9. | Special attention was given to preventing water pollution and soil degradation in the Metolius River watershed.
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| 10. | Deforestation and soil degradation have made the available surface water typically highly polluted and difficult to retain.
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