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humic substances
A series of relatively high-molecular-weight, yellow to black colored organic substances formed by secondary synthesis reactions in soils. The term is used in a generic sense to describe the colored material or its fractions obtained on the basis of solubility characteristics. These materials are distinctive to soil environments in that they are dissimilar to the biopolymers of microorganisms and higher plants (including lignin).
- Parte del discurso: noun
- Industria/ámbito: Ciencias de la Tierra
- Categoría: Ciencia del suelo
- Company: Soil Science Society of America
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Creador
- Bob Adams
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