dilution rate for sulphate of iron

QuestionsHow to growLawnsMossdilution rate for sulphate of iron
Kathleen fAHY asked 13 years ago

what is the dilution of sulphate of iron do I use to kill off mind your own business, I do not mind killing the grass in the patch.

1 Answers

Gerry Daly Staff answered 4 years ago
Used dry mixed with sand 1 part to 20 parts sand at 120gm per square metre of the mix. Used with water, enough to deliver between 5 and 10 grams per square metre. Test the sprayer/watering can to see how far a sprayer full goes … use water for the test on a drive way or road.