Abstract

Magnetic Susceptibility values of garden soil, agriculture ecosystem park soil and soil in urban-rural ecological transition zone in Xuchang city are smaller than 100×10-8 m3/kg, and the frequency magnetic susceptibility values are more than 3%, such is different from soils influenced by industrial. That above three kinds of soils with slight pollution are effected by different land uses show soil magnetic Susceptibility is a powerful indicator of soil pollution. The result of soil magnetic Susceptibility is higher shows that he pollution threats exist in agriculture ecosystem parks in villages and towns around the city.

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