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PKalc
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Are phosphorus (P) and potassium (K) nutrient additions
keeping up with removal by crops? Below are resources to
help you answer this question. Right-click on a link
below and choose "Save Target As..." or "Save As..." to
download the file.
- The spreadsheet
PKalc v1.11 is an
interactive tool that allows you to keep track of
historical nutrient additions and removals for a field or
field area. Take it with you on a laptop or just carry a
one page print out of your results.
- Need an example? Download
PKalc v1.11 example
to see how PKalc figured P and K balances for an example
Midwest field.
- If you need instructions, download the two page
PKalc Quick Start Guide.
- If you want to see national and state trends in
nutrient balances for 14 states of the U.S., download the
PowerPoint presentation
PKalc Slides
(2.3MB).
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