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Liquid multi-nutrient element humic acid fertilizer and preparing process thereof

A liquid fertilizer and nutrient element technology, applied in the direction of organic fertilizers, fertilizer mixtures, fertilization devices, etc., can solve the problems of loss, soil compaction, slow fertilizer efficiency, etc., and achieve the effect of increasing drought resistance and moisture retention

Inactive Publication Date: 2003-03-12
通辽绿阳科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems of soil compaction caused by chemical fertilizers in existing fertilizers, long-term use will seriously reduce or lose soil fertility, organic fertilizers, slow fertilizer efficiency, low yield, etc., the invention provides a humic acid multi-nutrient liquid fertilizer and a preparation method. It can better make up for the shortage of chemical fertilizers and organic fertilizers.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] Take 10kg of weathered coal (crushed particle size above 60 mesh, humic acid content greater than 50%), 1.2kg of KOH, 7.0kg of urea, 0.4kg of potassium sulfite, and 60kg of water into the stirring tank, and the temperature is controlled at 100°C ± 5°C. React for 3 hours, then centrifuge (or through natural precipitation for more than 20 hours), and transfer the supernatant to the chelating stirring tank. Then put in 10kg of diammonium phosphate, 15kg of potassium chloride, 0.4kg of zinc sulfate, 0.5kg of manganese sulfate, 0.6kg of boric acid, and 0.05kg of ammonium molybdate, and fully dissolve them at room temperature (20°C).

[0024] Test PH6.76, because the pH value is suitable, there is no need to adjust the pH value.

[0025] After the greenhouse vegetables (eggplant, cucumber, grape, etc.) were applied, the results showed that compared with the isonutrient fertilizer control area. Cucumber production increased by 15-25%, eggplant production increased by 16-28%; ...

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Abstract

A liquid fertilizer is prepared from humic acid, active nitrogen, P2O5, potasium oxide, Zn, Mn, Cu, Fe, Mo, B and chitosan through preparing activated solution of humic acid, proportionally mixing with others and chelating. Its advantages are no deposit and no floc.

Description

Technical field [0001] The invention belongs to the technical field of fertilizers, in particular to a humic acid multi-nutrient liquid fertilizer and a preparation method thereof. Background technique [0002] With the sustainable development of agriculture, the production scale of liquid fertilizer will continue to develop and expand. Liquid fertilizer production in the United States accounts for as much as 30% of total fertilizer production. In our country, the production and application of pollution-free liquid fertilizers are also emerging and expanding. Compared with solid fertilizers, liquid fertilizers have the advantages of fast fertilizer efficiency, balanced nutrition, and convenient application. [0003] Chemical fertilizers (including liquid and solid fertilizers) play a significant role in increasing crop yields. However, it also brings harm to the soil such as compaction, salinization, and pollution; the long-term use of chemical fertilizers will seriously ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F11/02C05G3/00
Inventor 杨亚森郭宗恒马增禄
Owner 通辽绿阳科技开发有限公司
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