Knf calculator

Every time you water these rates and formulations can be used.

Most folks do it once or twice a week, and it depends on your cost to benefit ratio. For a large parcel like an orchard, it may be largely infeasible to apply these that frequently.

However, if you are doing a small operation on a high value crop, or you have automation to put these into fertigation, then the ease and simplicity makes it possible to apply every time.

The only way to ‘overdose’ your plants is to increase the potency of the formulations, or to simply drown your plants by over application.