Abstract
The characteristics of soil organic carbon, polysaccharides and calcium carbonate content in different proportions of compound soil were studied in the compound soil of arsenic rock zone and sand with rotation for 2 years, and the ripening of the mixed soil of arsenic rock zone and sand in different proportions was revealed. The results showed that the ratio of easily oxidized organic carbon in the 1:2 ratio of arsenic rock zone to sand is the highest in total organic carbon, the activity of organic carbon is the highest. And the content of polysaccharides and calcium carbonate in soil is higher, the water-soluble aggregates in soil were better developed.
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