Organochlorine insecticide residues in soils and soil invertebrates from agricultural lands
Pesticides Monitoring Journal
By: C.D. Gish
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Abstract
Soils and earthworms and other soil invertebrates were collected from 67 agricultural fields in eight States. Samples were analyzed by gas chromatography for DDE, DDD, DDT, aldrin, dieldrin, endrin, heptachlor, heptachlor epoxide, and gamma-chlordane insecticides. Organochlorine insecticides in soils averaged 1.5 ppm, dry weight, and in earthworms, 13.8 ppm. Residues in earthworms averaged nine times that in soils. Residues ranged from a trace to 19.1 ppm in soils and from a trace to 159.4 ppm in earthworms. Residues in beetle larvae from two fields averaged 0.6 ppm; in snails from two fields, 3.5 ppm; and in slugs from four fields, 89.0 ppm. Amounts of insecticides in earthworms varied directly with amounts in soils. Coefficients of correlation between residues in soils and residues in earthworms usually were significant for DDE, DDD, and DDT regardless of crop or soil type.
Suggested Citation
Gish, C., 1970, Organochlorine insecticide residues in soils and soil invertebrates from agricultural lands: Pesticides Monitoring Journal, v. 3, no. 4, p. 241-252.
ISSN: 0031-615 (online)
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Organochlorine insecticide residues in soils and soil invertebrates from agricultural lands |
| Series title | Pesticides Monitoring Journal |
| Volume | 3 |
| Issue | 4 |
| Year Published | 1970 |
| Language | English |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 241-252 |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Pesticides Monitoring Journal |
| First page | 241 |
| Last page | 252 |