Symbiotic Efficiency of Native Rhizobia Nodulating Common Bean (Phaseolus vulgaris L.) in Soils of Western Kenya

Table 5

Correlation coefficients among shoot dry weight, nodule number, nodule dry weight, N concentration, N content, and SE in common bean.

Variables	Shoot dry weight	Nodule number	Nodule dry weight	Nitrogen concentration	Nitrogen content	SE
Root dry weight	0.245^*	0.166	−0.018	0.095	0.175	0.175
Shoot dry weight		0.056	0.096	0.275^*	0.545^**	0.546^**
Nodule number			0.703^**	−0.032	−0.042	−0.043
Nodule dry weight				−0.106	−0.087	−0.087
Nitrogen concentration					0.948^**	0.948^**
Nitrogen content						1.000^**

Correlation is significant at < 0.05, 0.01, respectively.