| 11. | Even the desert soil suffers from fire.
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| 12. | This was no mean feat when you consider that desert soils are more like concrete than dirt.
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| 13. | Those artificial surfaces then release heat at night more slowly than irrigated farmland or natural desert soils.
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| 14. | Near the bottom, the sides are made of cement mixed with desert soil for a more natural look.
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| 15. | The desert soil is covered with sand and pebbles; there are marshes, seasonal lakes and seasonal river beds.
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| 16. | This includes the cold desert soil.
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| 17. | Some are aerophytes or " air plants ", which have no roots and grow on shifting desert soil.
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| 18. | Citrus and fruit trees are usually grafted to some other variety that is more adaptable to desert soils.
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| 19. | It grows from in sandy desert soil in the company of creosote bush ( " Larrea tridentata " ).
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| 20. | Like Hopi farmers a thousand years before, he would figure a way to rouse life in the thirsty desert soil.
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