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Chemical and Biological Technologies in Agriculture

Table 2 Relative areas of the main absorption peaks of IR spectrum of Fe/Al-OC extracted from original soils (%) (semi-quantitative)

From: Molecular changes of ferric oxide bound soil humus during the decomposition of maize straw

Soil types

Phenol-C

Amide-C

Polysaccharide-C

TP

77.51

6.39

16.10

RP

74.43

6.07

19.50

PP

74.31

5.78

19.91

MS

78.16

6.22

15.62

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