shows the physiological effects of compost on the observed growth parameters of Kenaf plant. There was a steady growth inleaf length, leaf breadth and stem height of H. cannabinus from week 1 to week 4. The stem thickness showed a slight incrementin width during the four-week experiment. The leaf length and breadth increased by two times while the leaf height in creased by 3 times. This shows the evidence of nutrient quality and low phyto-toxicity of the compost used for the bioremediation experi-ment. The low phytotoxic nature of compost was exhibited in the low values of bioaccumulation factor and increased growth param-eters. The response of Kenaf plant to various growth parameters interms of nutrient quality and low phytotoxicity of the compost sug-05101520253000.511.522.533.54Week 1 Week 2 Week 3 Week 4Leaf height (
cm)metSdnahtdaerbfaeL,ssenkcihtmetSlenght (cm)Weeks of planngEffect of Compost on Growth ParametersSte m Thickness Leaf LengthLeaf Breadth Ste m Height Fig. 4. Effects of compost on physiological growth parameters of Hibiscus cannabinus during the four week of planting from seedling. gested that composting, if properly made is promising for organic agriculture.The present study is consistent with previous works on effects of compost on physiological parameters of plants [31,55,59]. The study of Mrabet et al. [59] revealed that incorporation of com-post into soils where maize and lettuce were planted resulted in toin crease in plants parameters including number of leaves, width and length of leaves, number and weight of seeds/fruits.