Concepts and Misconceptions of Humic Substances as the Stable Part of Soil Organic Matter: A Review
In the last three decades, the concept of soil humic substances has been questioned in two main directions. Misinterpretations of CP MAS13C NMR spectroscopy led to the conclusion that soil organic matter is mainly aliphatic, questioning the theory of polymerization of humic substances from phenolic...
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| Format: | Article |
| Language: | English |
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MDPI AG
2018-05-01
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| Series: | Agronomy |
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| Online Access: | http://www.mdpi.com/2073-4395/8/5/76 |