Table 4. Effect of vegetal (VO) or animal-derived (AO) liquid organic fertilizers and their respective mineral controls (VMC and AMC, vegetal and animal mineral controls, respectively) on soil characteristics at the end of the growing cycle^§.

Analysis	Initial	VMC	AMC	VO	AO	M vs. O†	V vs. A†
pH	8.4±0.01	8.2±0.0b	8.1±0.0b	8.5±0.0a	7.9±0.0	ns	ns
EC (dS·m-1) ‡	0.25±0.03	0.66±0.03b	0.81±0.02b	0.83±0.09b	0.82±0.01a	ns	ns
C (%)	0.37±0.02	0.36±0.02b	0.36±0.00b	0.50±0.02a	0.48±0.02a	***	ns
N (% dw) ††	0.04±0.00	0.04±0.00b	0.04±0.00b	0.05±0.01a	0.05±0.00a	**	ns
C:N	9.25±0.12	9.00±0.25b	9.00±0.14b	10.00±0.08a	9.6±0.18a	**	ns
P (mg·kg-1 dw) ‡‡	13.5±0.7	27.5±1.5b	30.5±0.5b	31.7±0.9b	64.3±8.5a	*	*
K exchange•	0.27±0.02	0.95±0.05a	0.71±0.01b	1.03±0.04a	0.52±0.03c	ns	***
Mg exchange•	1.27±0.03	1.31±0.07c	1.77±0.01ab	1.71±0.03bc	2.18±0.18a	*	**
Ca exchange•	4.89±0.69	4.32±0.78a	5.56±0.10a	4.76±0.27a	6.04±0.35a	*	*
Na exchange•	0.23±0.01	0.34±0.01a	0.33±0.01a	0.46±0.11a	0.21±0.06a	ns	ns

^§Each value is an average of five soil samples plants ± standard error.

^†See Table 2

^‡Electric conductivity in ext. 1:5 H₂O at 25°C.

^††Total Nitrogen Kjeldahl.

^‡‡Phosphorous Olsen.

^•Exchangeable cation in meq·100 g^-1.