Abstract
To select the best macrophyte for the phytoremediation of calcium from Ca-fortified ground water and inland saline water, 1 week screening was done for Eichhornia crassipes, Salvinia molesta and Lemna minor by using four effective concentrations of Calcium viz., 200, 400, 600 and 800 mg L–1. Experiment was done in triplicate. Water samples were collected at one day interval and plant samples at the end of experiment. The Calcium uptake concentration was found significantly (p<0.05) higher for E. crassipes on 6th day (5.37%) of experiment at effective concentration 800 mg L–¹, followed by S. molesta (4.87%) and L. minor (4.13%). Further experiment was conducted for 1 month for water quality analysis and testing the Calcium uptake, and found that there was significant improvement in water quality parameters. The finding of this study will serve baseline information for treatment of inland saline water to make it useful for various agricultural and aquaculture applications.
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