dead within a day or two.
However, deep roots may survive.
For perennial weeds, new growth can sometimes emerge weeks later.
Multiple treatments may be necessary.
How to Prepare the Mixture
Many homemade recipes use:
300 ml water
200 ml white vinegar
1 tablespoon salt
1 tablespoon citric acid
1 tablespoon dish soap
1 additional liter of water for dilution
Mix thoroughly until the salt and citric acid dissolve completely.
Strain if necessary and pour into a spray bottle.
Important Safety Considerations
The most important issue is salt.
Repeated salt
