| 1. | Agricultural endeavours are also very successful, benefiting from rich red volcanic soil.
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| 2. | Below the alluvial top soil are areas of granite and volcanic soils.
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| 3. | The local volcanic soil never becomes muddy even during the rainiest months,
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| 4. | "Erigeron elegantulus " grows on the rocky volcanic soils of the region.
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| 5. | The country's volcanic soils and subtle micro-climates make for near-perfect coffee-growing conditions.
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| 6. | Vine-covered cliffs rise above cornfields struggling to produce in thin volcanic soil.
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| 7. | Numerous volcanoes produce very fertile volcanic soil on many of the islands.
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| 8. | The boundaries of this appellation include with planted on thin volcanic soil.
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| 9. | The self-pollinating shrub is found at high elevations in volcanic soils.
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| 10. | Mesoamerican volcanic soils, for instance, are rich in arsenic and cadmium.
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