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| bringing_the_soil_to_life [2008-12-31 11:21] – 87.210.211.132 | bringing_the_soil_to_life [2008-12-31 11:22] – 87.210.211.132 | ||
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| Microbes also building up soil. As they feed, certain soil bacteria sectrete gums, waxes and gels that hold tiny particles of earth together. Dividing fungal cells lenghten into long fingers of hyphae that surround crumbs of soil and bind them to each other. These goeey microbial byproducts protect soil from drying and allow it to hold huge volumes of water. | Microbes also building up soil. As they feed, certain soil bacteria sectrete gums, waxes and gels that hold tiny particles of earth together. Dividing fungal cells lenghten into long fingers of hyphae that surround crumbs of soil and bind them to each other. These goeey microbial byproducts protect soil from drying and allow it to hold huge volumes of water. | ||
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| === Humus === | === Humus === | ||
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| Humus is made of carbon, nitrogen, oxygen and hydrogen, bonded together in ways that makes it difficult for soil organisms to attack. | Humus is made of carbon, nitrogen, oxygen and hydrogen, bonded together in ways that makes it difficult for soil organisms to attack. | ||
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