Picloram stability in a sample of forest soil during handling and storage

Evans, C.E.; Norris, L.A.

Bulletin of Environmental Contamination and Toxicology 37(4): 496-500

1986


ISSN/ISBN: 0007-4861
PMID: 3768543
DOI: 10.1007/bf01607794
Accession: 001655521

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Abstract
GC analysis of silt loam soil samples treated with 100 p.p.b. of picloram-potassium indicated that storage at -15 degrees C had no effect on the level of the herbicide during collection and transport of the soil samples (during the 1st 43 h) or during storage for up to 11 months. A discrepancy in recovery between samples extracted immediately or 2 h after fortification and those extracted after at least 43 h was attributed to herbicide binding on soil OM.

Picloram stability in a sample of forest soil during handling and storage