Fertiliser Calculations

Careful calculation of fertiliser requirements is an area where most farmers can benefit from the use of spreadsheets. You can save money by simply taking care with the selection of products and careful calculation of quantities. I hope you find this exercise relevant to your farm.

To download the instructions, click any of the following links. You are welcome to use these resources for your own use or for teaching. Feel free to adapt and update them.

Click here to view an example of a Fertiliser Calculations spreadsheet using Excel.

Fertiliser Calculations.doc  (slow download, but simplest - need MS Word or other open source office software)

Fertiliser Calculations.pdf   (universally accessible - requires Acrobat                                            Reader)

Fertiliser Calculations.zip   (WinZip, Word & PDF files - fast download to                                            your computer)

Fertiliser Spreader Calibration.xls  (slow download, but simplest - need MS Excel or other open source software)

Fertiliser Spread Calibration.pdf   (universally accessible - requires Acrobat Reader)

Fertiliser Spreader Calibration.zip   (WinZip, Word & PDF files - fast download to computer)

You need Adobe Acrobat Reader for the PDF files and
WinZip for the zipped files.

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Click for free trial WinZip download