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Northeast Missouri | ...plowing in?
Maybe "plowing" is a different term to you than it is to me. Treflan had to be incorporated but not as deeply as with a plow. But it could be disked in and could be worked in deeper than a lot of current PPI products, because it maintains significant vapor pressure in the soil (part of that smell you mention) which inhibits germination of grass seeds and some small-seeded broadleafs.
That made it more forgiving of depth differences due to disk incorporation than products like Dual (metolachlor) when it came along--which were better incorporated with shallow field-finishing tools because they needed to be in a thin layer close to the surface.
I worked for Elanco in the summer of 1976 when Treflan was still a (maybe "the"?) major soybean (and other crops) herbicide. And Elanco had a brand new product to push: Surflan. It was the main thing we worked with in field & farmer demonstration plots. It worked by inhibiting grass root growth but wasn't "showy" because grass often didn't completely die, just became non-competitive, and would dry up & die when summer heat and dry weather came along. But people didn't like that their fields didn't immediately become clean-looking with Surflan. | |
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Cultivating rows with MFWD
