Farmers urged to test soil for soybean pest after harvest

Janelle Atyeo
Sep 21, 2016
Sep 21, 2016 Updated Jul 11, 2018

SDSU Extension plant pathologist Emmanuel Byamukama shows SCN on the roots of a soybean plant at a test plot near Hurley, S.D., where he is testing the effectiveness of different soybean varieties and seed treatments.
Tri-State Neighbor photo by Janelle Atyeo

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After harvest, if soybeans come out with inexplicably low yields and the field hasn’t been tested for the parasitic soybean cyst nematode (SCN), fall is a good time for a soil test, experts say.

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SCN map — South Dakota counties where the soybean cyst nematode has been detected are shown, color-coded by the year the infestation was found. The latest counties added to the list were Clark and Campbell.
Submitted image

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