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| I have used qgis software ( https://www.qgis.org/en/site/ ) for some variable rate planting prescriptions. It is free to use. I think it is very powerful and versatile program, but it has a steep learning curve, at least for me. I have just adjusted population for pivot corners and other areas I have drawn out on a map. I am sure you can adjust one variable verus another variable, but I have not tried that. | |
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