| 11. | In his last book, he returned to the effect earthworms have on soil formation.
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| 12. | The soil formation continues and its moisture content increases.
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| 13. | The gabbro soil formation dates from 175 million years ago during the late Jurassic Period.
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| 14. | Pedodiversity is a measure of soil variation, and pedodiversity is a function of soil formation.
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| 15. | The fact that soil formation is simply not occurring makes ecologically sustainable management even more difficult.
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| 16. | Profile development is minimal as a consequence of young age and / or slow soil formation.
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| 17. | Plants, animals, fungi, bacteria and humans affect soil formation ( see soil biomantle and stonelayer ).
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| 18. | Some species of this genus are known to be important in the process of soil formation.
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| 19. | Much of the bright coloration of the Chinle is due to soil formation during the Late Triassic.
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| 20. | His charming, intelligent, and cultured cousin soil formation, which Darwin presented at the Geological Society on 1 November.
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