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humus |
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humusComponent of soil consisting of decomposed or partly decomposed organic matter, dark in colour and usually richer towards the surface. It has a higher carbon content than the original material and a lower nitrogen content, and is an important source of minerals in soil fertility. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In addition, composts with a high level of humification of the organic matter and without phytotoxic effects could be obtained during composting of oily sludge with maize straw or cotton waste (Paredes et al. Evidently, the sharp increase in the NaOH-P fraction at treatment with concentrated NaOH was caused by the humification of organic matter within the sample. It is a thin accumulation of plant remains in different degrees of decomposition; humification is poor since microbial activity is reduced due to low oxygen content. |
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