Soil geochemical characteristics and evaluation of soil quality in Southeast of Fuyang City
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Abstract:
Thro ug h the geochemical surv ey and the sampling o f 1B 250 000 tar get areas, the soil g eochemica l backg round v alues and refer ence values of 22 indicators in surface and deep soils w ere obtained to study the distributio n characteristics in the so utheastern part o f Fuyang City. Soil qualit y ev aluatio n was calculated according to the corresponding specificatio ns. The re2 sults show ed that the so il reference v alues o f 8 elements ( indicators) such as N, Mn, I and Cr w ere slightly hig her, w hile 8 ele2 ments such as P, M gO, S and Cd ( indicato rs) w ere lower com par ed with the so il r eference va lue o f the neighboring area ( H uai2 bei2Bozho u) . T he soil backg ro und values of N, Co rg , and Mn wer e hig her than those of the adjacent ar ea. T he so il backg ro und values of 8 elements ( indicato rs) such as P, CaO, MgO and S wer e low er than the adjacent ar eas. Soil nutrients wer e mainly at a medium level, w hile the soil env iro nmental quality was clean and only a small amo unt o f slig ht ly polluted soil ex isted in t he stud2 y area. The g eochemical index w hich affect ing the soil env iro nment w as Cd. T he comprehensive evaluat ion of so il quality in the area w as high quality g rade, accounting fo r 761 33% of the to tal area in the study area, followed by g oo d g rade, accounting for 231 67% of the to tal ar ea o f the study a rea. Therefor e, the sugg estions o n the qualit at ive utilizatio n of land resources wer e put forw ar d.
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