Degradation of Dichlormid and Dietholate in Soils with Prior EPTC, Butylate, Dichlormid, and Dietholate Exposure
- 1 March 1987
- journal article
- Published by Cambridge University Press (CUP) in Weed Science
- Vol. 35 (2) , 289-294
- https://doi.org/10.1017/s0043174500079212
Abstract
Field and laboratory experiments were conducted in 1983 and 1984 to compare the degradation of dichlormid (2,2-dichloro-N,N-di-2-prophenylacetamide), dietholate (O,O-diethylO-phenylphosphorothioate), EPTC (S-ethyl dipropyl carbamothioate), and butylate [S-ethyl bis(2-methylpropyl) carbamothioate] in soils that had or had not been previously treated with each chemical. EPTC + dichlormid, butylate + dichlormid, EPTC + dichlormid + dietholate, or butylate + dichlormid + dietholate were applied annually for 4 yr to field plots to establish treatment histories. Butylate and EPTC degradation was enhanced in soils with previous histories of butylate and EPTC, respectively. Degradation rates of dietholate were equivalent in untreated soils or soils previously treated with EPTC + dietholate or butylate + dietholate.Keywords
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