Soil organic matters play an important role which includeskeeping inorganic and organic nutrition, forming good physical configuration, and reducing the bioavailability of pollutants in the soil environment and so on. As soil organic matters consist of many complex fractions, the efficiency and credibility during the procedures of extraction and purification of these organic matters are two key problems when we study them .Many new extraction methods developevd in the recent years are discussed in the paper.
NETL
NSTL
万方数据
维普
