Inoculation of native symbiotic effective Sinorhizobium spp. enhanced soybean [Glycine max (L.) Merr.] grain yield in Ethiopia

Environmental Systems Research

Table 9 Correlations among different variables in the field trials

	SH	NN	NDW	TN	SDW	NPP	NSPPD	NSPPL	TSW	GY
SH	1
NN	0.2	1
NDW	-0.09	0.57*	1
TN	-0.24	0.42	0.76**	1
SDW	-0.23	0.42	0.77**	0.9997**	1
NPP	0.13	0.59**	0.68**	0.76**	0.77**	1
NSPPD	0.13	0.61**	0.43	0.56*	0.57*	0.60**	1
NSPPL	0.57*	0.16	-0.05	0.09	0.1	0.13	0.39	1
TSW	0.11	0.79**	0.70**	0.67**	0.67**	0.71**	0.76**	0.2	1
GY	0.17	0.99**	0.63**	0.47*	0.48*	0.64**	0.63**	0.14	0.82**	1

^* significant correlation, ** highly significant correlation
NN nodule number, NDW nodule dry weight, SH shoot height, SDW shoot dry weight, TN% total nitrogen percent of shoot, NPP number of pods per plant, NSPPD number of seeds per pod, NSPPL number of seeds per plant, TSW thousands of seed weight, GY grain yield