Rhizobacteria Communities of Phytoremediation Plant Species in Petroleum Hydrocarbon Contaminated Soil of the Sudd Ecosystem, South Sudan

Table 2

Rhizobacteria community abundance and diversity in phytoremediation plant species biostimulated with cattle manure in hydrocarbon contaminated soils.

Treatments			Parameters
Plant species	Compost (t/ha)	TPH (mg kg-1 soil)	ASVs	Number of phyla	Number of genera	Abundance chao 1	Shannon index	Simpson’s index
Gossypium barbadense	0	0	2625	40	44	5600	4.93	0.87
		75	1215	24	27	2781	4. 11	0.97
	2	0	6935	101	81	14226	5.97	0.76
		75	4595	68.	54	9540	5.09	0.84
Tithonia diversifolia	0	0	3144	34	57	6638	5.14	0.82
		75	1936	21	34	4223	4.30	0.94
	2	0	7770	85	99	15891	6.25	0.73
		75	4723	60	63	9795	5.24	0.81
Oryza longistaminata	0	0	2764	49	66	5878	5.09	0.83
		75	1623	30	43	3597	4.16	0.96
	2	0	6289	99	80	12944	6.14	0.74
		75	4408	82	58	9168	5.16	0.82
Sorghum arundinaceum	0	0	2198	37	37	4745	4.86	0.88
		75	871	23	23	2097	3.98	0.98
	2	0	5371	69	65	11095	5.87	0.78
		75	3955	56	43	8260	4.84	0.89
Hyparrhenia. rufa	0	0	3583	79	86	7518	5.37	0.8
		75	1979	40	47	4304	4.54	0.92
	2	0	9675	172	164	19701	6.55	2.89
		75	4980	140	136	10310	5.64	0.75
LSD (0.05) (plantTPHcompost)			181.1	5.2	2.1	365	0.06	ns

0.000, 0.001, and 0.05.