EFFECT OF CYCLIC USE OF SEWAGE WATER ON GROWTH, YIELD AND HEAVY METAL ACCUMULATION IN CABBAGEK.K. Yadav1*, S. Chandra2, M. Sharma2, P.K. Singh1 and S.S. Lakhawat1
A field experiment was conducted during rabi season of the year 2005-06 taking cabbage as a test crop on sandy clay loam soil for evaluating the effect of cyclic use of sewage water on growth, yield and heavy metal accumulation. The maximum size of head, weight per head and highest crop yield was recorded under alternate irrigation with groundwater and sewage water. The concentration of nitrogen, phosphorus, potassium, zinc, copper, iron, manganese, lead, cadmium and nickel in heads and roots of cabbage increased significantly due to application of sewage water irrigation. Under groundwater irrigation the contents of lead, cadmium and nickel were not detectable in heads and roots of cabbage but under totally sewage water irrigation the contents of lead, cadmium and nickel was observed 1.560, 0.052 and 0.925 ppm in heads and 0.581, 0.230 and 0.297 ppm in roots of cabbage.
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