As regards to Cd, Cr, Ni and Pb, the DTPA extractable amounts were 1.49, 1.28, 17.3 and 6.43 mg
kg−1and the total were 32.3, 44.3, 54.7 and 28.5 mg kg−1,respectively
As regards to Cd, Cr, Ni and Pb, the DTPA extractable amounts were 1.49, 1.28, 17.3 and 6.43 mg kg−1and the total were 32.3, 44.3, 54.7 and 28.5 mg kg−1,respectively
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