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What is the best way to get P and K into notill ground?
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Posted 4/8/2021 09:24 (#8939551 - in reply to #8939099)
Subject: RE: What is the best way to get P and K into notill ground?

WC Mn/Dakotas
There are alot of specific answers labs don't know. They are nothing more than a summary of soil samples that are sent in. An average "result" that may or may not relate to your specific uniqueness to varying degrees. It's a place to get you started if you know nothing specifically about your soils ability to produce a crop.

Breaking a soil core down to 2" increments only illustrates what is at that depth compared to the lab "normal" 0-6" or maybe 0-8" setups. From there in a broadcast system you are totally relying on biology and chemistry to function to "move" plant available nutrients lower to where a larger root mass is located. Moisture plays a big part. If Moisture is consistent from zone to zone and year to year, you can have consistent, reliable results.

Placing nutrients in a band at depth can be beneficial in many situations. You can more directly influence crop responses this year especially in a higher yield environment. It takes alot of the variable effects of weather out of the equation or at least reduces the negative impact. You can usually reduce applied rates especially if your soil tends to antagonize and make nutrients unavailable to plants.

You may not always yield better or be able to reduce rates vs long term notill broadcast, but it isn't going to hurt you ever either. On the flip side broadcast might not function like you are 100% reliant on if it gets real hot or dry on the surface and all those "natural" processes don't function as needed. Growing production ag is not a natural process.
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