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Northeast Indiana | what is the sprayer model that you have? I used to have a JD 4720 and we would spray our corn at tassel with it it. Now if the corn was extremely tall (11-12ft) we would snap some of it off. Depending on your boom size, but for a 90ft boom you straddle 11% of the corn with the sprayer. Lets say you break off 10% of the corn in the rows you straddle. That means you are damaging 1% of the crop. At 200 bu corn that equates to 2 bushels. I would say that 1% damage is an extreme circumstance and that we damaged far less than that. I always felt the fungicide resulted in an increase in yield that more than made up the little bit of damage that we did. Simon Innovations makes a kit to where you can raise a 20&30 series deere sprayer another 6" from inside the cab. We installed the kit and I thought it helped a lot with late season corn application. That being said, we now have a Hagie so I don't have to worry as much about breaking over corn spraying fungicide. | |
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fungicide on corn prior to tassel
