Table 2.

Correlation coefficients r between selected soil properties and the content of the determined phosphorus fractions

Selected soil properties	Phosphorus fractions						P-available
	F1	F2	F3	F4	F5	F6
pH	0.17	− 0.13	0.08	0.27	0.42*	0.09	0.27
Hh	− 0.14	0.12	− 0.01	− 0.17	− 0.29*	0.16	0.06
CEC	− 0.20	− 0.24	0.29*	0.54*	0.24	0.03	0.40*
C-org.	0.16	− 0.20	0.07	0.48*	0.23	0.47*	0.66*
P-tot.	0.01	− 0.16	0.23	0.60*	0.60*	0.81*	0.80*
C/P	0.14	− 0.02	− 0.33*	− 0.23	− 0.41*	0.38*	− 0.27
P-available	− 0.08	− 0.18	0.32*	0.65*	0.28	0.60*	–

CEC cation exchange capacity, Hh hydrolytic acidity, P-available P determined with the Egner-Riehm method; *significant at p < 0.05, n = 48; F1 easily soluble fraction, F2 exchangeable fraction, F3 organic fraction, F4 carbonate fraction, F5 stable organic-mineral and mineral bonds, F6 residual fraction