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How to use Humic Acids Fertilizer Correctly? | ||||||||||||||||||||
Humic acid is black or brown amorphous organic polymer, soluble in water, but with colloidal properties, can improve soil structure and improve soil fertility; with chelation, can improve nutrient reactive phosphorus, potassium and trace elements and fertilizer utilization; also promote crop growth, improve the resistance of crops. In addition, complex NPK with humic acid on other elements also have a sustained effect. | ||||||||||||||||||||
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2. What is humic acid fertilizer? | ||||||||||||||||||||
Humic acid fertilizer containing humic acid fertilizer is the general term for a variety of multi-peat, leonardite as the main raw material, through a certain process to extract, concentrate or become water-soluble fertilizer containing nutrients are made. For example, rich in humic materials made by adding sodium hydroxide, sodium humic acid; sulfuric acid made from humic acid; humic acid-containing feedstock into nitric acid into a nitro humic acid; nitrate or potassium hydroxide made base humic acid potassium; or made by the ammoniated ammonium humic acid; humic acid is added in the production of fertilizer or join in the production of nutrient-based fertilizer and humus preparation humic acid compound fertilizer.
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3. Humic acid fertilizer application methods and standards? | ||||||||||||||||||||
Currently, the humic acid fertilizer are constantly in development, quality control of its products, mostly industry and local standards, application methods vary by product.
Water-soluble fertilizer containing humic acid is add the appropriate amount of humic acid NPK, or liquid or solid fertilizer made of trace elements. Industry technical standards (NY1106-2006) provides that humic acid content of humic acid fertilizer containing a large number of elements of type Ⅰ and type Ⅱ solid product of not less than 3% and 4%, NPK total content of not less than 35% and 20%; humic acid content of the liquid products were not less than 30g / L and 40g / L, total NPK content of not less than 350g / L and 200g / L. Humic acid and trace element content of humic acid fertilizer containing trace elements in type of not less than 3% and 6%. Low levels of water-soluble substances, solid and liquid products content shall not exceed 5.0% and 50g / L, respectively.
On the application method, water-soluble solid or liquid products mainly for fertilizer, seed fertilizer or soaking, Baptist roots.
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