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north central kansas | I have tried a number of herbicides and nothing with great success. Seems the structure of the plant limits translocation, particularly when it has matured and is in its perennial state. With that said, I have tried some surfactants like the Shock product in the spring and got a really good control using mesotrione. I could see exactly where my boom missed a spot and we went to milo and it held it pretty good. My concern with waiting until the 100 degree day is that the plant has already gone to seed. And, with this summer as dry as it was, our ground was hard to get an undercutter in and stay in.
I have tried to blade before the ground was frozen and made sure I have the prickers set to flip those clumps over. It seems to work but not every winter do you get that chance.
So, no real good answer to your question.
I did have a field this spring that was absolutely terrible as it sat fallow the prior year due to drought. Seems it was the only thing that grew. We were hot in early May, the ground was dry and I undercut and then had to follow with a disc to break up the clods. (Hated to do that but needed to get in shape to plant soybeans) That field stayed clean all summer with the bean herbicides.
I can tell you that iron is not the answer in our neighborhood. My worst fields are "seeded" by it tumbling in from the west/southwest from my neighbor that conventionally tills. | |
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Tumble windmill grass control?
