Persistance of dieldrin, lindane, and DDT in a light study soil and their uptake by grass

Voerman, S.; Besemer, A.F.

Bulletin of Environmental Contamination and Toxicology 13(4): 501-505


ISSN/ISBN: 0007-4861
PMID: 48392
DOI: 10.1007/bf01721860
Accession: 068518841

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Residue data for samples taken in January 1969 from plots treated with water emulsions of the insecticides by plant or soil application regularly for fifteen years (1953-1968) have been previously reported. In the present work, samples of the plots were taken in September 1973 following fallowing and cropping. No significant decrease in dieldrin, o,p'DDT and p,p'-DDT residues had occurred. Lindane residues had significantly decreased while p,p'-DDE had doubled. Transport into lower layers was very limited. Concentrations in roots were 5-15 times higher than those in soil, but shoots of the final crop (Lolium perenne) contained little residues.