WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Thursday, April 19, 2018

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Search results on 04/19/18

1308. Choi, K.L., S.S. Que Hee and R.G. Sutherland. 1976. 2,4-D levels in the south Saskatchewan river in 1973 as determined by a GLC method.. J. Environ. Sci. Health, Bll(2), 175-183.
2,4-D levels in the South Saskatchewan River near Saskatoon in 1973 at the height of the spraying season, and at harvest time were determined by a method involving direct GLC analysis, alkaline hydrolysis, followed by n-butylation of the liberated free acid after acidification of the alkaline solution, and confirmed by subsequent n-octylation. GC/MS also confirmed the presence of 2,4-D. 2,4-D was detected during the spraying season but not at harvest time or in river mud samples. The average level was ca. 2ug of acid equivalent to 2,4-D per liter of river water at the height of the spraying season.

6047. Sauchyn, D.J.. 1989. Evaluation and mapping of non-point source pollution with ARC/INF. Dept. of Geography, U. of Regina, Saskatchewan, Canada.
This paper demonstrates the combined use of a runoff / erosion / pollution model and a geographic information system to evaluate and map the hydrologic and geomorphic responses of a small watershed to a single rainstorm. T: Many.

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