Dear All,

Here are the top 10 Permitted Chemicals in Organic Farming

The USDA has outlined a list of permitted chemicals, along with where and in what circumstances they can be used. All farms seeking to get certification as organic must comply with permitted chemical laws. Not all farms use these chemicals, and those that do may only use them sparingly or in emergency situations. None of the below listed chemicals are known to contain heavy metals or to have adverse affects on the environment during their manufacture, use or disposal.

1. Alcohols
Alcohols that include ethanol and isopropanol are permitted in organic farming for use as a disinfectant, algicide and sanitizer. These alcohols are approved for use during irrigation system cleaning.

2. Copper Sulfate
Copper sulfate is used in several applications in organic farming. These include:
Use as an algicide for aquatic rice systems, provided it is issued only once per 24 months
For tadpole shrimp control in aquatic rice systems, provided it is issued only once per 24 months
As plant disease control, provided it is used in a way that minimizes the amount of copper left in the soil

3. Hydrogen Peroxide
Hydrogen peroxide is allowable in organic farming for two uses:
Pest control
As a disinfectant, algicide and sanitizer for irrigation systems

4. Sulfur
Both elemental sulfur and lime sulfur are allowed for use in several areas of organic farming. All areas where either type of sulfur is used are limited to pest control or soil amendments. Sulfur dioxide may also be used as a pest control, but only as a smoke bomb for underground rodent control.

5. Soap
The use of soaps is allowed for large animal control, provided that no soap comes in contact with the food product. Soap is also allowed for use as:
Herbicides for roadways provided no soap comes in contact with soil
Herbicides for ornamental crops

6. Vitamin D3
Vitamin D3 can be introduced to organic farming, not as a supplement in nutrition but as a slug and snail bait, as well as for plant disease control.

7. Boric Acid
Boric acid is allowed on organic farms, but only as an insecticide for structural buildings. No contact with soil or crops is permitted.

8. Lignin Sulfonate
Lignin sulfonate is used as a soil amendment. It is specified for use as a chelating agent, dust suppressant and a floatation agent. It may also be used in post-harvest handling as a floating agent.

9. Magnesium Sulfate
Magnesium sulfate is allowed as a supplement to the soil in case of a deficiency. It is only allowed, however, once the deficiency has been documented by a third party.

10. Streptomycin
Streptomycin is allowed on apples and pears only. It is used to fight fire blight, a bacterial infestation.

Other Chemicals Permitted in Organic Farming

Several other chemicals may be used in organic farming, provided they are only used for their stated purpose.

These include:
Tetracycline: For fire blight control
Peracetic acid: For fire blight control
Hydrated lime: For plant disease control
Oils: For plant disease control
Potassium bicarbonate: For plant disease control
Humic acids: As a soil amendment
Micronutrients: As a soil amendment once a deficiency has been documented
Sulfates: As a soil amendment
Ethylene gas: For regulation of pineapple flowering
Sodium silicate: For tree fruit and fiber processing in post-harvesting
Liquid fish products: As a soil amendment
Pheromones: As insect management
Ammonium carbonate: As bait in insect traps
Ozone gas: For irrigation system cleaning
Chlorine materials: For irrigation system cleaning
Calcium hypochlorite: For irrigation system cleaning
Sodium hypochlorite: For irrigation system cleaning

Just for your information.