| 1. | Removing embedded soil is more difficult and time-consuming than removing surface soil.
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| 2. | Gradual erosion of the surface soil has left the granite outcrops exposed.
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| 3. | As long as the pump functions, the surface soil will remain stable.
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| 4. | Opportunity concentrated on examining the surface soil at the spot Sunday for comparison.
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| 5. | The creek flows through flat terrain with clay and sandy loam surface soils.
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| 6. | The surface soil is suitable for growing other crops, too.
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| 7. | Porosity of surface soil typically decreases as particle size increases.
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| 8. | A ) Surface soil : Organics mixed with mineral matter.
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| 9. | The existing hard surface soil will be broken up, to a depth of two feet.
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| 10. | The surface soils are underlain by a hard calcium carbonate caliche layer several inches thick.
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