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Sulphur

Sulphur

JADAM Sulphur

Material use warning

  • Only Sulphur Powder must be used or it won’t disolve.
  • Here using NaOH, Sodium hydroxide (Caustic Soda)

Storage

Do not store in below freezing temperatures. If it froze, you can thaw it and use. There is no expiry.

It is very effective against most diseases, and diseases do not develop resistance. Unlike limesulfur mixture, JS is made without heating, does not damage plastic and steel pipes of greenhouses. Effective against black spot, pear rust, powdery mildew, downy mildew, etc. Making 1 L (0.26 gal) of JS (25% sulfur) only costs 50 cents. 100 L (26 gal) of JS can be used 60-100 times (diluted in water to make pesticide of 500 L or 132 gal). JS can be used with commercial organic or chemical pesticides; but always do a mixture test and concentration test before use. Developed by Youngsang Cho.1

Recipe

JADAM Sulphur JS
Screenshot from the book

For Various Volume

Recipe by Volume
Various volume recipe

Smallest Volume

Batch Size Sulfur NaOH Initial Water Added Water
1 L 200 g 160 g 400 ml 256 ml
0.5 L 100 g 80 g 200 ml 128 ml

Based on GPT calculation


Step-by-Step Guide


Instructions2

  • For 500 L (132 gal), use 0.5-2 L (0.13-0.53 gal) in growing season, 5 L (1.3 gal) in winter pest control. For fog machines, use 0.1 L (0.03 gal) for 17 L (4.5 gal).
  • Can be applied to all crops.
  • No expiry date.
  • Costs 50 cents per liter (0.26 gal).
  • JS is germicide against diseases. If used in strong diluion, it can also kill insects.
  • Apply in early morning or at sunset. Avoid hot imes of the day.
  • Does not damage the plasic sheet or the steel pipes of the greenhouse.
  • Always do mixture test and concentraion test when you want to use JS with other commercial chemical pesicides.
  • Do not use coninuously; use only when in need to combat diseases.

Sources

Original Recipe on the website

YT Video



  1. JADAM Organic Farming 2016 p.268 ↩︎

  2. JADAM Organic Farming 2016 p.282 ↩︎