- Have your irrigation water tested.
- Select an acid of known strength.
- Determine how much of your acid is needed to neutralize 80% of the bases in your water.
- Inject the calculated rate of acid into your irrigation water.
- Measure the pH of the water as it comes out of the irrigation line.
- If the pH is not between 4.5 and 5.0, increase or decrease the amount of acid.
- Re-test the water source and irrigated soil about once a year to check for any changes.
Table A-2-1. Properties of common acids.
||Rate calculation factor