Fix Solid Fertigation Calculation

[Keegnan]

Describe the task
The Fertigation calculation is not functioning correctly,. It will need to be reviewed to insure that the calculations from the Fertigation math spreadsheet is correct.

Acceptance Criteria

• Review calculations from spreadsheet
• Crosscheck with NMP app to make sure the calculation is same as spreadsheet
• Make corrections

Additional context

• The fertigation should be reviewed in the SOLID tab of the spreadsheet
• https://bcgov.sharepoint.com/:x:/r/teams/05196-NMP/Shared%20Documents/NMP/Fertigation%20math.xlsx?d=w6a784fb240b84b76aa6bcdd0db18ca3f&csf=1&web=1&e=Gfdg96
• 

[lunamoonmoon]

fertigation math