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East Central Kansas | My main concern would be getting a good "spread". The contractor here uses an OLD side slinger spreader that leaves the field noticably "striped". It may be operator error, but until they do a better job of spreading, I'm not interested.
On another note, ECC is a function of purity and fineness. You say your ag lime tends to run in the 45 ECC range, do you know what the purity is? Several years ago our purity was running at least 80 %, so the low ECC was due primarily to courseness of the material. (Limestone based ag lime from the western edge of the Flint Hills). My personal opinion is that unless the material is course(think pea gravel) most particles of ag lime will eventually contribute to raising the soil PH, so you should not have to lime as often as you would with water treatment lime. Bottom line, I don't think you can compare the cost of ag lime to that of water treatment lime based only on ECC.
John K | |
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Water treatment plant lime??
