Plant Growth Promoting and Abiotic Stress Tolerant Chickpea (Cicer arietinum L.) Rhizobial Isolates from Some Areas of South Wollo Zone, Ethiopia

Table 1

Composition of nitrogen-free plant nutrient solutions [61].

Stock solutions	Chemicals	g/L
1	CaCl2.2H2O	294.1
2	KH2PO4	136.1
3	FeC6H5O7.3H2O	6.7
	MgSO4.7H2O	123.3
	K2SO4	87.0
	MnSO4.H2O	0.338
4	H3BO3	0.247
	ZnSO4.7H2O	0.288
	CuSO4.5H2O	0.100
	CoSO4.7H2O	0.056
	Na2MoO2.2H2O	0.048