1 oz. pyrethrum to 2 gal. of water

Can also be applied as a powder. It is a good insecticide for use on

vegetables that are shortly to be eaten, as there is no danger of

poisoning human beings by its use. Can also be used as a contact spray.

_Hellebore Powder_

War Gardens: A Pocket Guide for Home Vegetable Growers · 第 9 / 18 题