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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
  1. Values are means of three replicate analyses