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Jimson weed control in organic fields
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Posted 10/16/2020 08:47 (#8548522 - in reply to #8548213)
Subject: RE: Jimson weed control in organic fields

We used to have a problem with jimson weed in one area of one field at the WIU Organic Research Farm. This was a high fertility area near the barnyard that had received lots of manure historically.

I made a point of walking this section of the field and roguing out every jimson weed every year... after about *10* years, the jimson weed disappeared and we haven't seen any jimson for about 5 years.

We generally use a 3 year rotation (corn/soy/small grain) and sometimes add in a 4th row crop such as sunflowers.

We may have occasionally missed a jimson weed during the corn years but I am confident that no jimson weed went to seed in shorter crops for 10 years.

if you don't grow any corn and possibly sunflowers (since you identified this as a problem crop) for at least 5 years and don't let any jimson weed go to seed, I think you will see a significant reduction of jimson weed.

WIU Agriculture

Edited by jbgruver 10/16/2020 09:20
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