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Fertilizer Formula Question?
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<blockquote data-quote="Angus Guy" data-source="post: 320373" data-attributes="member: 1841"><p>From what your soil test shows I would say that the 19-26-13 is a good way to go. I would normally reccomend 50-60# of N for pastures. On my own I will usually spread a 36-92-120 because my tests tend to be low on K. </p><p></p><p>The 19-26-13 is # per 100# of actual NPK. The K is pretty simple because you are only dealling with one product. Divide 13 by .60 = will be the amount of potash that you would need to apply. In your case 65#/a of potash to get 40# actual. I am assuming that your dealer is using DAP so the same formula does the P. 26 divided by .46 = 56.5# of DAP plus 10# of N. So to get the 80# of P you will need 174# of DAP. This will also give you 31# of N. To finish off the N you will urea or one of the products. </p><p></p><p>This coming out about as clear as mud but hope it helps.</p></blockquote><p></p>
[QUOTE="Angus Guy, post: 320373, member: 1841"] From what your soil test shows I would say that the 19-26-13 is a good way to go. I would normally reccomend 50-60# of N for pastures. On my own I will usually spread a 36-92-120 because my tests tend to be low on K. The 19-26-13 is # per 100# of actual NPK. The K is pretty simple because you are only dealling with one product. Divide 13 by .60 = will be the amount of potash that you would need to apply. In your case 65#/a of potash to get 40# actual. I am assuming that your dealer is using DAP so the same formula does the P. 26 divided by .46 = 56.5# of DAP plus 10# of N. So to get the 80# of P you will need 174# of DAP. This will also give you 31# of N. To finish off the N you will urea or one of the products. This coming out about as clear as mud but hope it helps. [/QUOTE]
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