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South Central MN | Obviously this is a later reply, but it looks like this thread went about as well as a fire in a fireworks factory.
Had a chance to go to a field day not far from where I live where the host farm was doing cover crops and had a few application methods (and done at different times) so had a few fields to look at. They were planning on spraying the covers either before or at planting, so rye wouldn't be getting more than a few inches tall, but like one of the speakers pointed out, the roots on that rye already have a lot of growth so despite being small, those plants are doing quite a bit. Here we usually run wet in the spring, so don't have to worry about a lack of water to the following cash crop.
The ones letting the rye grow are probably trying to get weed control out of it, though from the yield trials seems you either spend $ on herbicide or give up some $ in the form of reduced yield. Either way there is a cost. | |
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NE Soil Builder
