. 2023 Feb 24;11:e14916. doi: 10.7717/peerj.14916

Table 4. The correlation coefficients (r) between the studied characters soil and wheats produced in the OPS.

Features	DEH	CAT	PER	Clay	pH	TP	CA	FRAP	OC	Im
CAT	0.752
PER	0.900	0.869
Clay	0.593	0.559	0.670
pH	ns	0.556	ns	ns
TP	−0.516	−0.580	−0.648	ns	−0.855
CA	ns	ns	ns	ns	−0.922	0.780
FRAP	ns	−0.681	−0.622	ns	−0.875	0.858	0.711
OC	−0.623	−0.843	−0.778	−0.495	ns	ns	ns	0.464
Im	−0.599	ns	−0.521	ns	−0.530	0.732	0.531	0.429	ns
L	0.537	ns	0.457	0.698	−0.606	ns	0.806	ns	−0.507	ns

Notes.

Indicates that the correlation is significant at the 0.05 probability level. >0.413.

Indicates that the correlation is significant at the 0.01 probability level. >0.526.

ns - non-significant.