Role of Inorganic and Organic Fractions in Animal Manure Compost in Lead Immobilization and Microbial Activity in Soil

Table 2

Chemical properties of inorganic and acid-insoluble organic fractions used in this study (on the basis of air-dried weight, mg g⁻¹) [24].

Characteristic	Inorganic fraction	Acid-insoluble organic fraction
Total calcium	152	ND
Total magnesium	44	ND
Total potassium	53	ND
Total iron	7	ND
Total phosphorus	131	ND
Total carbon	ND	452
ADF-C	ND	344
Humic acid carbon	ND	25
Fulvic acid carbon	ND	52

Not determined.
Acid detergent fiber carbon.