Inoculation of Native Arbuscular Mycorrhizae and Bacillus subtilis Can Improve Growth in Vegetable Crops

Table 1

AMF spore density and physico-chemical parameters of soil samples from rhizosphere of acacia trees.

Sampling area	Acacia sp.	pH	TN (%)	AP (ppm)	OC (%)	Sand (%)	Clay (%)	Silt (%)	Class of texture	SD (g^−1 soil)
Sululta	A. abyssinica	6.8	0.2	13.5	1.0	32	36	32	Clay loam	10.5 ± 0.3d
Batu	A. saligna	6.9	0.1	12.8	1.7	56	4	40	Sandy loam	18.1 ± 0.1a
	A. seyal	6.6	0.1	6.3	2.1	62	4	34	Sandy loam	18.8 ± 0.0a
	A. tortilis	7.3	0.1	11.1	1.6	58	6	36	Sandy loam	13.7 ± 0.0c
Bishoftu	A. saligna	7.0	0.1	12.7	0.8	50	17	33	Loam	14.4 ± 0.0c
	A. seyal	7.1	0.1	10.1	0.9	66	6	28	Sandy loam	16.6 ± 0.1b
	A. tortilis	7.1	0.1	9.6	1.6	50	14	36	Sandy loam	10.4 ± 0.1 d

AP: available phosphorus; TN: total nitrogen; OC: organic carbon; ppm: parts per million.