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Question:

Classification of organic carbon

Well, recently, the carbon cycle has suddenly come up with a lot of questions. What's the definition of carbon and light carbon? What are the characteristics, and what are the differences between the two?

Answer:

The organic matter is composed of recombinant LFOM was completely decomposed residue or, to re synthesis of aromatic substances as the main organic matter (mainly humus), its stable structure is complex, in fact this part of organic matter in soil clay is a combination between, or in the process of the formation of soil aggregates Among the internal organic matter enclosed in aggregates, plays a very important role in maintaining the structure of aggregates, it is difficult to be utilized by microorganisms, soil carbon pool is stable. The content of 2 components of features from a certain extent that the carbon sensitive to climatic and environmental changes of the reaction.
Light and heavy soil organic matter is divided according to the proportion of the isolates used in this study. The proportion of 1.7 is the proportion of < 1.7 for light fraction organic matter, the proportion of > 1.7 recombinant organic matter. The composition and decomposition of organic carbon in different components are significantly different. Light fraction organic matter by no solution complete plant residues and its fractions include a small amount of live microorganisms or their secretions, is susceptible to microbial decomposition and utilization characteristics, is very sensitive to climatic and environmental changes and agricultural management measures, is the active carbon pool in soil.
The organic matter is composed of recombinant LFOM was completely decomposed residue or, to re synthesis of aromatic substances as the main organic matter (mainly humus), its stable structure is complex, in fact this part of organic matter in soil clay is a combination between, or in the process of the formation of soil aggregates Among the internal organic matter enclosed in aggregates, plays a very important role in maintaining the structure of aggregates, it is difficult to be utilized by microorganisms, soil carbon pool is stable. The content of 2 components of features from a certain extent that the carbon sensitive to climatic and environmental changes of the reaction.

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