Evaluation of the Suitability of Sewage and Recycled Water for Irrigation of Ornamental Plants
2015
Younis, Adnan | Riaz, Atif | Mushtaq, Nauman | Tahir, Zeeshan | Siddique, Muhammad Irfan
The present study was conducted to evaluate the potential benefits and risks of the sewage water and recycled treated water on three ornamental plant species, including Umbrella plant (Cyperus alternifolius), Euonymus (Euonymus japonicas), and Dracaena (Cordyline terminalis). Plants in the pots were irrigated with equal volumes of water in 2-day intervals. Treatment plants were analyzed for sodium (Na), potassium (K), copper (Cu), iron (Fe), and lead (Pb) concentrations, in roots and shoots. The experiment was conducted by using a completely randomized design (CRD) with five replications. Data were analyzed using analysis of variance technique and least significance difference (LSD) test was applied at 5% probability level. Plants species performed better in sewage water after recycled water, in terms of growth, number of leaves, chlorophyll content, and leaf thickness, which proved sewage water accelerates the growth and development of ornamental foliage plants, but plants irrigated with this water exhibited greater concentration of Pb than other treatments.
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