Humic acid long-acting compound fertilizer and preparation method thereof
The invention belongs to the field of fertilizers, and relates to a humic acid long-acting compound fertilizer which is prepared from the following raw materials in parts by weight: 20-25 parts of humic acid, 2-4 parts of microbial inoculum, 4-8 parts of zeolite powder, 5-10 parts of magnesium powde...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention belongs to the field of fertilizers, and relates to a humic acid long-acting compound fertilizer which is prepared from the following raw materials in parts by weight: 20-25 parts of humic acid, 2-4 parts of microbial inoculum, 4-8 parts of zeolite powder, 5-10 parts of magnesium powder, 5-10 parts of calcium powder, 15-20 parts of urea, 10-15 parts of monoammonium phosphate and 10-15 parts of potassium chloride. The invention also discloses a preparation method of the humic acid long-acting compound fertilizer. The humic acid long-acting compound fertilizer provided by the invention can effectively control the loss of fertilizer and moisture, enhance the yield of the crops, and greatly lower the cost. |
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