Effect of Phosphogypsum Amendment on Chemical Properties of Sodic Soils at Different Incubation Periods

Table 3

Correlation coefficients (r) among different soil parameters during incubation.

	pH	P	Na	K	Ca	Mg	ESP
pH	1.00
P	−0.54	1.00
Na	0.95	−0.56	1.00
K	0.04	0.15	−0.0081	1.00
Ca	−0.52	0.097	−0.53	−0.36	1.00
Mg	0.21	0.09	0.19	0.53	−0.29	1.00
ESP	0.91	−0.48	0.94	0.10	−0.73	0.26	1.00

and means significant at and (one-tailed Pearson correlation), respectively.