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Description:
Potassium humate is a kind of high polymer heterogeneous aromatic sylvine with black solid crystal appearance. It is alkaline, soluble in water and contains hydroxyl, carboxyl and other active groups.
Characteristic:
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Solubility in water (dry basis)
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≥98%
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Humic acid (dry basis)
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≥80%
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Soluble Potassium (K2O dry basis)
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≥12%
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Moisture
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≤15%
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PH
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9-10
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Size rate ( 0.2-1mm)
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≥95%
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Function:
1. Increase permeability of plant membranes, easily absorbed by plant owing to its molecular weight;
2. Enhance immunity and obtain healthy growth of plants;
3. Increase the efficiency of poisons and detoxify pollutants in soil;
4. Provide valuable organic substances for soil microorganisms; stimulate microcosmic biological activity;
5. Improve root development and seed germination;
6. Influence enzyme system and stimulate plant in many ways.
Application :
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crops
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Application rate
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Application time
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Tomato, pepper, egg-plant
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Open ground:
60-80kg/ha
Greenhouse:
6-10g/m2
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Before or after transplanting at the beginning of the vegetative period until flowering
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Cucumber, melon,
water-melon
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Strawberry
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Ornamental shrubs and trees, flowers, nursery
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Apple, pear
Peach-tree, apricot-tree,
cherry-tree, grape
Citrus trees
Dessert grapes
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60-80kg/ha
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1-2 applications beginning from vegetative renewal until flowering
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