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Formula and preparation method of chitin-containing compound fertilizer

A technology of compound fertilizer and chitin, which is applied in the field of compound fertilizer, can solve the problems of hindering the normal water absorption of crop root system, lack of replenishment of beneficial bacteria, and damage of soil aggregate structure, so as to enhance system immunity, promote root system development, and restore soil Vitality and Vitality Effect

Inactive Publication Date: 2017-01-25
湖北京晟生物科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present in our country, the use of chemical fertilizers is already indispensable. The use of chemical fertilizers is not only a means to maintain high agricultural output, but also the main cause of agricultural self-pollution
First, it will cause soil compaction in farmland
A large amount of chemical fertilizers will seriously damage the soil aggregate structure, reduce air permeability, reduce aerobic microbial activity, slow soil maturation, and cause soil compaction; further hinder the normal water absorption of crop roots and affect plant growth
Second, it will cause soil flora imbalance
With the prolongation of the use of chemical fertilizers, the number of harmful bacteria in the soil is increasing, while the beneficial bacteria are not replenished, which leads to the imbalance of soil flora

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The chitin compound fertilizer of the present embodiment comprises the following components in parts by mass,

[0033] Urea 200kg

[0034] Monoammonium phosphate 120kg

[0035] Potassium sulfate 300kg

[0036] Zinc sulfate monohydrate 8kg

[0037] Magnesium sulfate monohydrate 8kg

[0038] Chitin 1kg.

[0039] Its preparation process includes:

[0040] S1, weigh the raw material components in proportion, dissolve 50kg of monoammonium phosphate in water to a specific gravity of 1.38-1.39, then add sulfuric acid to a specific gravity of 1.49-1.50 to obtain a mixed acid solution of monoammonium phosphate, and set aside;

[0041] S2, pulverize urea, 70 kg of monoammonium phosphate, potassium sulfate, zinc sulfate monohydrate and magnesium sulfate monohydrate, mix them evenly with a mixer, transfer to a granulator, add the mixed acid solution of monoammonium phosphate prepared in step S1, and pass it into the vaporization liquefied ammonia, using its heat of reaction t...

Embodiment 2

[0045] The chitin compound fertilizer of the present embodiment comprises the following components in parts by mass,

[0046] Urea 250kg

[0047] Monoammonium phosphate 175kg

[0048] Potassium sulfate 500kg

[0049] Zinc sulfate monohydrate 10kg

[0050] Magnesium sulfate monohydrate 10kg

[0051] Chitin 2kg.

[0052] Its preparation process includes:

[0053] S1, weigh the raw material components in proportion, dissolve 75kg of monoammonium phosphate in water to a specific gravity of 1.38-1.39, then add sulfuric acid to a specific gravity of 1.49-1.50 to obtain a mixed acid solution of monoammonium phosphate, and set aside;

[0054] S2, pulverize urea, 100kg of monoammonium phosphate, potassium sulfate, zinc sulfate monohydrate and magnesium sulfate monohydrate, mix them uniformly through a mixer, transfer to a granulator, add the mixed acid solution of monoammonium phosphate prepared in step S1, and pass it into the vaporization liquefied ammonia, using its heat of re...

Embodiment 3

[0058] The chitin compound fertilizer of the present embodiment comprises the following components in parts by mass,

[0059] Urea 300kg

[0060] Monoammonium phosphate 250kg

[0061] Potassium sulfate 700kg

[0062] Zinc sulfate monohydrate 12kg

[0063] Magnesium Sulfate Monohydrate 12kg

[0064] Chitin 3kg.

[0065] Its preparation process includes:

[0066] S1, weigh the raw material components in proportion, dissolve 120kg of monoammonium phosphate in water to a specific gravity of 1.38-1.39, then add sulfuric acid to a specific gravity of 1.49-1.50 to obtain a mixed acid solution of monoammonium phosphate, and set aside;

[0067] S2, pulverize urea, 130kg of monoammonium phosphate, potassium sulfate, zinc sulfate monohydrate and magnesium sulfate monohydrate, mix them evenly with a mixer, transfer to a granulator, add the mixed acid solution of monoammonium phosphate prepared in step S1, and pass it into the vaporization liquefied ammonia, using its heat of reactio...

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PUM

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Abstract

The invention provides a chitin-containing compound fertilizer and a preparation method thereof. By a double-liquid dimolecular ammoniation process, chitin and a compound fertilizer are perfectly chelated. The prepared chitin-containing compound fertilizer has the characteristics of pest control, disease resistance, dual fertilizer and pesticide supplementation, high efficacy and the like; the chitin-containing compound fertilizer can be used as a natural soil structure modifier, and has the effects of strengthening roots and seedlings, resisting diseases and adverse conditions, inhibiting nematodes and activating and enhancing physiological and biochemical mechanisms of crops.

Description

technical field [0001] The invention relates to a compound fertilizer, in particular to a chitin compound fertilizer formula and a preparation method thereof. Background technique [0002] Chitin, also known as chitin and chitin, has a wide range of applications and can be used in industries such as fabrics, clothing, dyes, paper and water treatment. In agriculture, it can be used as insecticide and plant antiviral agent. In fishery, it is used as fish feed. Cosmetic beauty agent, hair protection, moisturizing agent, etc. Medical supplies can be used as contact lenses, artificial skin, sutures, artificial dialysis membranes and artificial blood vessels. [0003] Compound fertilizer refers to chemical fertilizer containing two or more nutrient elements. Compound fertilizer has the advantages of high nutrient content, less auxiliary components and good physical properties. It is very important for balanced fertilization, improving fertilizer utilization rate, and promoting ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/02C05G3/00C05G3/60C05G3/80
CPCC05B7/00C05G3/00C05G3/20C05G3/60C05G3/80C05G5/30C05C9/00C05D1/02C05D5/00C05D9/02
Inventor 揭金兵梁利军
Owner 湖北京晟生物科技股份有限公司
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