Annals of Forest Science

Table 5 Pearson’s correlations between P fractions in soils (“-” means not significant)

From: Phosphorus availability in relation to soil properties and forest productivity in Pinus sylvestris L. plantations

	P_AEM	log(P_iNaHCO₃)	√P_oNaHCO₃	log(P_iNaOH)	P_oNaOH	log(PHCl_1M)
log(P_iNaHCO₃)	0.45**
√P_oNaHCO₃	-	-
log(P_iNaOH)	-	0.62***	0.45**
P_oNaOH		-	0.82***
log(PHCl_1M)	0.66***	-	0.54**	0.44**	0.57***
P_rec	-	-	0.54***	-	0.72***	0.45**

**P < 0.01; ***P < 0.001. P_AEM, available P; P_iNaHCO₃, P_oNaHCO₃, inorganic and organic highly labile P; P_iNaOH, P_oNaOH, inorganic and organic moderately labile P; PHCl_1M, primary P; P_rec, recalcitrant P fraction (PHCl_conc + PHClO₄)

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ISSN: 1297-966X

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