Madras Agricultural Journal
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INFLUENCE OF BLUE-GREEN ALGAE AND CERTAIN ORGANIC AMENDMENTS ON THE DEGRADATION IN SUBMERGED SOILS

Abstract

r-HCH hen applied to blue green algae (BGA) soil water system was found distributed more in the water than in soil and algae. Though degradation of r-HCH was observed in soil, water and BGA, still a considerable part of the initial residues remained even after 70 days. Among the organic amendments, sewage sludge was the most effective in helping the degradation of r-HCH and it was highly degraded within 5 weeks of time. The r-HCH persisted in greater quantities even after 5th week in soil with BGA.

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