Dissolve 40 drops of iodine tincture in 10 litres of water. Pour it under the roots of cucumbers, tomatoes, cabbage or peppers. Water them with this mixture every three - four weeks .

The toxic qualities of iodine were soon realized, and the tincture, a yellowish brown solution began to be widely used as a disinfectant. Even today, the most common water purification tablets one can ...