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Table 3 P concentration (mg P kg−1) in P fractions extracted from Hagereselam soil with different rates of lime application

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

LR (ton ha−1) Resin NaHCO3 NaOH HCl Residual digest Total AP OP pH
Pi Po Pi Po Pi Po
0 3.3d 3.6b 3.0b 182.3a 41.5 14.2b 13.5 568.3 829.7 9.8c 58.0 4.51
3.25 4.4c 4.7b 4.1b 168.4a 38.7 16.9b 14.1 574.0 825.3 13.2c 56.8 5.71
6.5 9.8b 5.8b 8.9a 122.9b 35.2 45.1a 11.2 576.1 814.8 24.4b 55.3 6.54
9.75 10.9a 13.0a 11.4a 113.7b 35.5 53.1a 7.5 577.3 822.4 35.3a 54.4 7.08
  1. Means with the same latter are not significant at p = 0.05