Chemical and Biological Technologies in Agriculture

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
LR (ton ha⁻¹)	Resin	Pi	Po	Pi	Po	Pi	Po	Residual digest	Total	AP	OP	pH
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

Means with the same latter are not significant at p = 0.05

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