Soil Quality and Pomelo Productivity as Affected by Chicken Manure and Cow Dung

Table 4

Matrix correlation between soil physicochemical properties at a depth of 20–50 cm (n = 108).

	pH	EC	SOM	Ca^2+	K^+	Mg^2+	BD	Ntot	Pavail
pH	1	0.16	−0.12	0.31	0.01	−0.08	0.29	0.14	−0.23
EC		1	0.08	−0.26	−0.06	0.03	0.01	0.03	−0.10
SOM			1	−0.17	−0.22	0.23	−0.50	−0.01	−0.09
Ca^2+				1	0.11	0.33	0.25	−0.01	−0.12
K^+					1	0.42	0.34	−0.30	0.18
Mg^2+						1	0.10	−0.28	0.005
BD							1	−0.36	0.11
Ntot								1	−0.30
Pavail									1

, , and indicate significant difference at  < 0.05,  < 0.01, and  < 0.001, respectively.