agroforestry systems can be employed to reclaim eroded and degraded land. amálie balaštíková,...
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Agroforestry systems can be employed to reclaim eroded and degraded land.
Amálie Balaštíková, Cesar Flores Grandez, Michaela Jedličková, Soňa Kajzrová
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Types of soil degradation
Main causes of degradation
- water erosion 56%- wind erosion 28%- chemical degradation 12%- physical degradation 4%
- overgrazing 35%- deforestation 30%- agricultural activities 27%- overexploitation of vegetation 7%- industrial activities 1%
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Study case: Brasilian Amazon
• Bauxit mine – production of litter to improve soil fertility (Acacia mangium x Eucalyptus pellita)
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Study case: India
• Wastelands – alkaline and saline soil
• Plantation of 10 000 seedlings of different species
• Survived 635 after 13.5 years but soil improved
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Study case: China
• Influence of reforestation on eroded land
• Cinnamomum caphor x Lespedeza bicolor
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References• Dias, L. E., Franco A. A., Campello E., De Faria S. M., Da Silva E. M. 1995
Leguminosas forestales: aspectos relacionados con su nutrición y uso en la recuperación de suelos degradados. In “Bosque” 16 (1), pp 121-127
• Sharma A; 2001. Afforestation for reclaiming degraded village common land: a case study, Biomass and Bioenergy 21, pp 35-42
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Thank you for your attention!