Is this correct?
According to the Organic Bible, "aqueous potassium silicate" can be used only as an "insecticide" or for "plant disease control" only. NOT AS A PLANT OR SOIL AMENDMENT/NUTRITION.
7 CFR 205.601 - Synthetic substances allowed for use in organic crop production.
In accordance with restrictions specified in this section, the following synthetic substances may be used in organic crop production: Provided, That, use of such substances do not contribute to contamination of crops, soil, or water....
(e) As insecticides (including acaricides or mite control).
(1) Ammonium carbonate—for use as bait in insect traps only, no direct contact with crop or soil.
(2) Aqueous potassium silicate (CAS #-1312-76-1)—the silica, used in the manufacture of potassium silicate, must be sourced from naturally occurring sand.
(3) Boric acid—structural pest control, no direct contact with organic food or crops.
(4) Copper sulfate—for use as tadpole shrimp control in aquatic rice production, is limited to one application per field during any 24-month period. Application rates are limited to levels which do not increase baseline soil test values for copper over a timeframe agreed upon by the producer and accredited certifying agent.
(5) Elemental sulfur.
(6) Lime sulfur—including calcium polysulfide.
(7) Oils, horticultural—narrow range oils as dormant, suffocating, and summer oils.
(8) Soaps, insecticidal.
(9) Sticky traps/barriers.
(10) Sucrose octanoate esters (CAS #s—42922-74-7; 58064-47-4)—in accordance with approved labeling.
and....
(i) As plant disease control.
(1) Aqueous potassium silicate (CAS #-1312-76-1)—the silica, used in the manufacture of potassium silicate, must be sourced from naturally occurring sand.
(2) Coppers, fixed—copper hydroxide, copper oxide, copper oxychloride, includes products exempted from EPA tolerance, Provided, That, copper-based materials must be used in a manner that minimizes accumulation in the soil and shall not be used as herbicides.
(3) Copper sulfate—Substance must be used in a manner that minimizes accumulation of copper in the soil.
(4) Hydrated lime.
(5) Hydrogen peroxide.
(6) Lime sulfur.
(7) Oils, horticultural, narrow range oils as dormant, suffocating, and summer oils.
(8) Peracetic acid—for use to control fire blight bacteria.
(9) Potassium bicarbonate.
(10) Elemental sulfur.
(11) Streptomycin, for fire blight control in apples and pears only.
(12) Tetracycline, for fire blight control only and for use only until October 21, 2012.
Anyone see potassium silicate in the below list of permitted synthetic items?
(j) As plant or soil amendments.
(1) Aquatic plant extracts (other than hydrolyzed)—Extraction process is limited to the use of potassium hydroxide or sodium hydroxide; solvent amount used is limited to that amount necessary for extraction.
(2) Elemental sulfur.
(3) Humic acids—naturally occurring deposits, water and alkali extracts only.
(4) Lignin sulfonate—chelating agent, dust suppressant, floatation agent.
(5) Magnesium sulfate—allowed with a documented soil deficiency.
(6) Micronutrients—not to be used as a defoliant, herbicide, or desiccant. Those made from nitrates or chlorides are not allowed. Soil deficiency must be documented by testing.
(i) Soluble boron products.
(ii) Sulfates, carbonates, oxides, or silicates of zinc, copper, iron, manganese, molybdenum, selenium, and cobalt.
(7) Liquid fish products—can be pH adjusted with sulfuric, citric or phosphoric acid. The amount of acid used shall not exceed the minimum needed to lower the pH to 3.5.
(8) Vitamins, B1, C, and E.
(9) Sulfurous acid (CAS # 7782-99-2) for on-farm generation of substance utilizing 99% purity elemental sulfur per paragraph (j)(2) of this section.
According to the Organic Bible, "aqueous potassium silicate" can be used only as an "insecticide" or for "plant disease control" only. NOT AS A PLANT OR SOIL AMENDMENT/NUTRITION.
7 CFR 205.601 - Synthetic substances allowed for use in organic crop production.
In accordance with restrictions specified in this section, the following synthetic substances may be used in organic crop production: Provided, That, use of such substances do not contribute to contamination of crops, soil, or water....
(e) As insecticides (including acaricides or mite control).
(1) Ammonium carbonate—for use as bait in insect traps only, no direct contact with crop or soil.
(2) Aqueous potassium silicate (CAS #-1312-76-1)—the silica, used in the manufacture of potassium silicate, must be sourced from naturally occurring sand.
(3) Boric acid—structural pest control, no direct contact with organic food or crops.
(4) Copper sulfate—for use as tadpole shrimp control in aquatic rice production, is limited to one application per field during any 24-month period. Application rates are limited to levels which do not increase baseline soil test values for copper over a timeframe agreed upon by the producer and accredited certifying agent.
(5) Elemental sulfur.
(6) Lime sulfur—including calcium polysulfide.
(7) Oils, horticultural—narrow range oils as dormant, suffocating, and summer oils.
(8) Soaps, insecticidal.
(9) Sticky traps/barriers.
(10) Sucrose octanoate esters (CAS #s—42922-74-7; 58064-47-4)—in accordance with approved labeling.
and....
(i) As plant disease control.
(1) Aqueous potassium silicate (CAS #-1312-76-1)—the silica, used in the manufacture of potassium silicate, must be sourced from naturally occurring sand.
(2) Coppers, fixed—copper hydroxide, copper oxide, copper oxychloride, includes products exempted from EPA tolerance, Provided, That, copper-based materials must be used in a manner that minimizes accumulation in the soil and shall not be used as herbicides.
(3) Copper sulfate—Substance must be used in a manner that minimizes accumulation of copper in the soil.
(4) Hydrated lime.
(5) Hydrogen peroxide.
(6) Lime sulfur.
(7) Oils, horticultural, narrow range oils as dormant, suffocating, and summer oils.
(8) Peracetic acid—for use to control fire blight bacteria.
(9) Potassium bicarbonate.
(10) Elemental sulfur.
(11) Streptomycin, for fire blight control in apples and pears only.
(12) Tetracycline, for fire blight control only and for use only until October 21, 2012.
Anyone see potassium silicate in the below list of permitted synthetic items?
(j) As plant or soil amendments.
(1) Aquatic plant extracts (other than hydrolyzed)—Extraction process is limited to the use of potassium hydroxide or sodium hydroxide; solvent amount used is limited to that amount necessary for extraction.
(2) Elemental sulfur.
(3) Humic acids—naturally occurring deposits, water and alkali extracts only.
(4) Lignin sulfonate—chelating agent, dust suppressant, floatation agent.
(5) Magnesium sulfate—allowed with a documented soil deficiency.
(6) Micronutrients—not to be used as a defoliant, herbicide, or desiccant. Those made from nitrates or chlorides are not allowed. Soil deficiency must be documented by testing.
(i) Soluble boron products.
(ii) Sulfates, carbonates, oxides, or silicates of zinc, copper, iron, manganese, molybdenum, selenium, and cobalt.
(7) Liquid fish products—can be pH adjusted with sulfuric, citric or phosphoric acid. The amount of acid used shall not exceed the minimum needed to lower the pH to 3.5.
(8) Vitamins, B1, C, and E.
(9) Sulfurous acid (CAS # 7782-99-2) for on-farm generation of substance utilizing 99% purity elemental sulfur per paragraph (j)(2) of this section.