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Wisconsin | You start getting 3-6' of rain a year, and a LOT more of the nutrients in the soil leach out. N P K S and most of the micronutrients flow down to the Gulf (not TPP so we'll leave it at that). Even here, pasture is usually not fertilized with anything but a shot of N for timing. Hay fields need lots because lots gets removed, even compared to corn grain, but not as much as corn silage.
How do legumes do in that climate? too high, too dry, too cold? Nitrogen not a limiting factor? Even if they were an annual when you get an unusual rain, spreading a pound or two of white clover and a fraction of birdsfoot trefoil or a wilder type alfalfa would be at least an experiment I'd like to try, if I couldn't find it had already been tried. | |
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