Enhancing the Phytoremediation of Hydrocarbon-Contaminated Soils in the Sudd Wetlands, South Sudan, Using Organic Manure

Table 3

Treatments effect on the height of four phytoremediators.

Phytoremediators (plant species)	TPH, 0 gkg^−1 soil			TPH, 75 gkg^−1 soil
	M, 0 gkg^−1 soil cm	M, 5 gkg^−1 soil	M, 10 gkg^−1 soil	M, 0 gkg^−1 soil cm	M, 5 gkg^−1 soil	M, 10 gkg^−1 soil
H. rufa	160	163	164.4	129	141	142
O. longistaminata	97.1	102.0	102.2	40.1	60.0	62.7
T. diversifolia	116.1	121.2	123.6	90.3	107.2	109.4
S. arundinaceum	130.1	134.3	135.9	70.5	100.5	103.3
CV %	1.9
LSD (5%)	3.08

TPH = total petroleum hydrocarbon; M = manure.