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Iowa | How many soil tests did you take on this pasture, when I took small grids my test results varied a lot.
I saw 2 fields that had similar soil tests to yours, in the first year of soybeans after 15 years of pasture, with low PHOS and high Potassium it raised 65 bushel soybeans, another field after 30 years pasture raised 60 bushel soybeans both very low on PHOS with no added fertilizer. the soybeans found the PHOS somehow both out yielded the regular crop ground that year, I would of bet anyone it wasn't possible but the soybean actual bean size where bigger, after taking tissue samples last year I'm thinking high levels of Potassium is the key to bigger yields.
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Where is all the available nutrients
