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| Titel: |
Chemical residues during screening, composting, and soil incorporation of cotton gin waste |
| Auteur: |
Winterlin, W. L. McChesney, M. M. Scnoen, S. R. Seiber, J. N. |
| Verschenen in: |
Journal of environmental science and health. Part B, Pesticides, food contaminants, and agricultural wastes |
| Paginering: | Jaargang 21 (1986) nr. 6 pagina's 507-528 |
| Jaar: |
1986 |
| Inhoud: |
Residues of pesticides and harvest aid chemicals (defoliants) were studied in the products of ginning of cotton. Particular emphasis was on residue partitioning during the mechanical separation of cotton gin waste into its clean (primarily lint) and fines (primarily dirt and plant parts) fractions following rotating screen separation. The higher residues were associated with the fines fraction among the two chemicals (DEF and dicofol) studied in this regard. The behaviour of residues of five chemicals was studied during aerobic and semi-anaerobic Composting of both whole gin waste and the fines fraction. Propargite, methidathion, and chlorate residues declined significantly during both composting treatments while DEF and paraquat were stable to composting, when composted gin wastes were amended to field soil, residue levels were generally very low to undetectable in the soil, indicating little potential hazard for a composting-amendment operation. Analysis of air samples indicated that only the screening operation generated airborne residues which might require worker protection. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 2 van 7 gevonden artikelen
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