Olericulture No-Till System at Mountain Region: Physical and Biological Attributes of the Soil

Table 2

Chemical characterization of the soil at a depth of 0–20 cm from different studied areas.

Studied areas	pH	P	K	Ca^2+	Mg^2+	Al^3+	H + Al	t	T	V
	H2O	(mg dm^−3)		(cmolc dm^−3)						(%)
Forest	4.45	13.85	37.50	0.83	0.36	1.80	9.85	3.13	11.17	11.55
CT	6.90	869.13	423.00	10.32	2.09	0.00	1.45		15.18	90.30
3 NTS	6.70	167.80	160.00	5.07	1.44	0.00	1.32	6.97	8.29	84.02
Forest	3.90	3.05	22.75	0.06	0.14	2.20	11.22	2.51	11.53	2.75
CT	5.46	67.80	138.00	3.29	0.74	0.30	4.73	4.76	9.19	47.20
5 NTS	5.70	73.27	103.50	4.17	0.79	0.03	3.87	5.30	9.14	57.62
Forest	4.50	4.75	74.75	1.30	0.68	1.44	11.35	3.63	13.53	15.47
CT	5.60	104.80	274.50	4.31	1.05	0.02	3.42	6.11	9.51	63.92
9 NTS	5.90	36.57	70.75	3.50	1.41	0.09	3.57	5.21	8.69	57.97

Conventional tillage (CT); no tillage (NTS); pH, active acidity; phosphorus (P); potassium (K); calcium (Ca²⁺); magnesium (Mg²⁺); exchangeable acidity (Al³⁺); total acidity (H + Al); effective cation exchange capacity (t); total cation exchange capacity at pH 7.0 (T); saturation of bases (V). pH in water, KCl and CaCl2 ratio 1 : 2.5; phosphorus (P), potassium (K) Mehlich 1 extractor; calcium (Ca), magnesium (Mg), aluminum (Al) KCl 1 mol/L extractor; H + Al SMP extractor [11].