Table 2.

Soil chemical attributes in three areas with a clay gradient (LCC: Low Clay Content, MCC: Medium Clay Content, HCC: High Clay Content). TOC: total organic carbon, EC: electrical conductivity, H⁺Al³⁺: potential acidity.

	(Water)	mg dm−3		Cmolc dm−3					dS m−1	g dm−3
Site	pH	P	K	Na	Mg	Ca	H+Al3+	Al	EC	TOC
LCC	4.90b	5.72ab	0.28b	0.14a	5.42b	0.35b	5.17a	2.09a	0.15b	27.58a
MCC	5.31a	5.24b	0.59a	0.09a	6.57ab	0.84a	4.29a	0.75b	0.16b	24.61a
HCC	5.31a	6.49a	0.70a	0.08a	7.73a	0.70a	2.87b	0.43b	0.19a	20.24b

Averages followed by the same letter in the same column do not differ statistically.