Calculation error - Crops: Urea and Limestone CO2 emissions are underestimated

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• Calculation error - All: Limestone fertiliser

  There is an error with the fertiliser calculation which appears to be related to limestone. When you select limestone fertiliser and vary the unit selection you see that the soil/fertiliser emission amount in the results tab data table does not vary. ...

• Cool Farm Tool 2.0 - Crops Data Input Table

  Find attached a list of all data points required to complete a crop assessment in the Cool Farm Tool.

• Calculation error - Crops: CO2 emissions from urea are underestimated by 3-6% with use of UAN

  When using urea ammonium nitrate solution as fertiliser, the Cool Farm Tool uses 35% urea rather than 50%, which means that CO2 emissions are underestimated by between 3 and 6%. This will be fixed as part of the migration to the new Cool Farm ...

• Calculation error - Crops: underestimated emissions from crop residues for "removed from field"

  Where the option ‘removed from field for use or sale’ is selected, the whole residue is assumed to be removed - this is incorrect. There should always be below ground emissions and a % of the above ground remaining - similar to "burning in field". ...

• Why are seed emissions not covered in CFT?

  The Cool Farm Tool covers seed emissions only for potato, but not for the remaining field crops. In general, these emissions are quite low, compared to the other sources of emission. However, there has also been increasing demand for including this ...