This section is from the book "Commercial Gardening Vol1", by John Weathers (the Editor). Also available from Amazon: Commercial Gardening, A Practical & Scientific Treatise For Market Gardeners.
Formula:
Lime ... ... ... ... ... ... 3 lb.
Sulphur (flowers of) ... ... ... ... 3 „
Caustic soda ... ... ... ... ... 1 „
Soft soap ... ... ... ... ... ... 1 .
Water ... ... ... ......... 10 gal.
Make the sulphur into a thin paste and pour over the lime; then boil for a quarter of an hour and keep stirred, and add the caustic soda. Continue to boil for some time, and then add dissolved soap and full quantity of water.
 
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