Table 2. Site soil analysis at four points A, B, C, D.

	Ca		Mg		K		Na		P		Total N		Carbonates		NOM		C/N		EC	pH in W	pH in KCl
A	5.02	L	0.26	L	1.16	H	0.13	L	148.20	H	0.13	L	42.63	H	2.54	H	11.46	H	385	8.42	7.84
B	5.04	L	0.27	L	1.29	H	0.14	L	82.20	H	0.10	L	34.54	H	2.44	M	14.61	H	294	8.6	7.92
C	5.16	L	0.36	L	0.96	H	0.17	L	184.60	H	0.08	L	35.38	H	2.19	M	16.00	H	449	8.7	7.95
D	5.03	L	0.27	L	0.98	H	0.11	L	121.80	H	0.10	L	35.09	H	2.51	H	14.98	H	295	8.68	7.91

Note:

Symbols and units are: Ca, calcium (mep/100g); Mg, magnesium (mep/100g); K, potassium (mep/100g); Na, sodium (mep/100g); P, phosphorus (mg/Kg dry soil); Total N, total nitrogen (%); Carbonates (%); NOM, natural organic matter (%); C/N, nitrogen carbon ratio; EC, soil electrical conductivity (μS); pH W, pH in water; pH in KCl.