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A comparative study on the cadmium and zinc uptake by kangkong (Ipomoea aquatica forsk.) and pechay (Brassica chinensis l.) grown in natural soil and coconut coir dust treated with cadmium sulfate or zinc sulfate
The study was conducted at Ungka I, Pavia, Iloilo from May to June 2006. The plant tissue samples were prepared at Central Philippine University and then analyzed by atomic absorption spectroscopy at the University of the ...