Chemical and Biological Technologies in Agriculture

Table 4 Pearson correlation coefficient between substrate utilization and discriminant functions DF1 and DF2, Shannon index, soil pH, and SOC in soil from the experimental sites in Ouagadougou (Burkina Faso) and Tamale (Northern Ghana)

From: The combined application of nitrogen and biochar reduced microbial carbon limitation in irrigated soils of West African urban horticulture

	DF1	DF2	Shannon index	Soil pH	SOC
Aqua	NS	0.34*	NS	NS	0.50**
Ala	NS	0.46*	NS	NS	0.58**
Ser	NS	0.31*	0.60**	0.45**	0.53**
GluN	0.41**	NS	0.66**	0.60**	0.50**
NAG	NS	0.36*	0.43*	0.41*	0.57**
Mal	NS	0.36*	− 0.45**	− 0.41*	NS
Qui	NS	NS	− 0.39*	− 0.35*	NS
Oxa	NS	NS	− 0.80**	− 0.68**	NS
Tat	NS	NS	− 0.40*	− 0.37*	NS
Pro	0.40**	0.39*	0.49**	0.43*	0.45**
Fruc	0.54**	NS	0.45**	0.38*	0.41**
Glc	0.47**	0.41**	0.32*	NS	0.34*
DF1				0.34*	NS
DF2				NS	0.30*

NS not significant
*P < 0.05; **P < 0.01

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