Chemical and Biological Technologies in Agriculture

Table 2 Sequentially extracted soil phosphorus fractions (mg P kg⁻¹) for the soils of the study site

From: Fractionation and availability of phosphorus in acid soils of Hagereselam, Southern Ethiopia under different rates of lime

P-form	Amount	% of total
Resin-P	3.3	0.40
NaHCO₃ Pi	3.6	0.43
NaHCO₃ Po	3.0	0.36
NaOH-Pi	182.3	21.97
NaOH-Po	41.5	5.00
HCl Pi	14.2	1.71
HCl Po	13.5	1.63
Total Pi	203.4	24.51
Total Po	58.0	6.99
Residual	568.3	68.49
Total P	829.7	100.00

Values are means of three replicate analyses

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