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Foliar fertilizer and preparation method thereof

A foliar fertilizer and surfactant technology, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve problems such as lack of foliar fertilizer, and achieve the effects of increasing the attachment area, convenient use, and improving absorption and utilization.

Inactive Publication Date: 2012-05-02
BEIJING LEILI MARINE BIOINDUSTRY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still a lack of foliar fertilizers that can supplement chitosan

Method used

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  • Foliar fertilizer and preparation method thereof
  • Foliar fertilizer and preparation method thereof
  • Foliar fertilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1: the preparation of foliar fertilizer of the present invention

[0034]

[0035] Raw material chitosan preparation:

[0036] Dissolve 100 kg of chitin in 750 kg of 1% acetic acid aqueous solution, then add 60 kg of 15% hydrogen peroxide aqueous solution, heat up to 50°C, degrade for 3 hours, and dry for use.

[0037] Detect the average molecular weight of the chitosan that makes with liquid chromatography, detection condition is as follows:

[0038] Mobile phase and stationary phase are chromatographic grade tetrahydrofuran and n-hexane; CGX 500 silica gel column with a particle size of 10 μm and a pore size of Adopt a L-7100 isocratic pump, which is connected with a L-7400UV detector, both produced by Hitachi, the detection wavelength is 260nm, the 7100-type sampling valve, the quantitative tube is 20μL, between the sampling valve and the pump The length of the connecting tube is 120mm, the volume is 12μL; the data collection is through D-7000HPLC s...

Embodiment 2

[0041] Embodiment 2: the preparation of foliage fertilizer of the present invention

[0042]

[0043] Raw material chitosan preparation:

[0044] Dissolve 80 kg of chitin in 880 kg of 1% acetic acid aqueous solution, then add 70 kg of 10% hydrogen peroxide aqueous solution, heat up to 40°C, degrade for 2.5 hours, and dry for later use.

[0045] The average molecular weight of the prepared chitosan is detected by liquid chromatography, and the detection conditions are as shown in Example 1. The measured average molecular weight of the prepared chitosan is 5000-6000 Daltons.

[0046] Raw material ABS preparation:

[0047] 250 kg of dodecylsulfonic acid was dissolved in 600 kg of water, then 40 kg of sodium hydroxide was added, stirred for 2 hours, and reserved for subsequent use.

[0048] The preparation method of foliage fertilizer of the present invention:

[0049] 60 kilograms of chitosan prepared according to the above method, 120 kilograms of urea, 60 kilograms of ...

Embodiment 3

[0050] Embodiment 3: the preparation of foliar fertilizer of the present invention

[0051]

[0052] Raw material chitosan preparation:

[0053] Dissolve 120 kg of chitin in 840 kg of 1% acetic acid aqueous solution, then add 80 kg of 20% hydrogen peroxide aqueous solution, heat up to 60°C, degrade for 3 hours, and dry it for later use.

[0054] The average molecular weight of the prepared chitosan is detected by liquid chromatography, and the detection conditions are as shown in Example 1. The average molecular weight of the prepared chitosan was measured to be about 6000.

[0055] Raw material ABS preparation:

[0056] 280 kg of dodecylsulfonic acid was dissolved in 680 kg of water, then 45 kg of sodium hydroxide was added, stirred for 3 hours, and reserved for subsequent use.

[0057] The preparation method of foliage fertilizer of the present invention:

[0058] 30 kilograms of chitosan prepared according to the above method, 90 kilograms of urea, 30 kilograms of po...

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Abstract

The invention provides a foliar fertilizer which comprises, by weight percentage, 1 to 10% of chitin, 5 to 15% of urea, 2 to 8% of potassium hydroxide, 5 to 10% of diammonium phosphate and 0.5 to 3% of a surfactant, with the balance being water. Furthermore, the invention also provides a preparation method for the foliar fertilizer. After applied on plant leaves, the foliar fertilizer provided in the invention can directly increase the concentration of sugar in crops, promotes the growth of roots of crops, induces crops to generate a plurality of disease-resistant substances and has powerful inhibition, passivation and prevention effects on fungus and bacteria; therefore, the foliar fertilizer effectively prevents and controls disease and pest damage and improves quality and output of crop products.

Description

technical field [0001] The invention belongs to the field of fertilizers. Specifically, the present invention relates to a foliage fertilizer and a preparation method thereof. Background technique [0002] Chitin is widely found in the shells of crustaceans such as shrimps and crabs, the cell walls of fungi such as mushrooms, and the organs of molluscs such as squid. The straight-chain polysaccharide formed by linking chains is a new type of natural polymer material that has emerged in recent years. Chitin is called chitosan after deacetylation, which is the most important and widely used derivative of chitin. great concern. At present, its development, research and utilization in many fields such as pharmaceutical industry, food industry, water treatment, daily cosmetics, agriculture, textile, printing and dyeing, papermaking, membrane materials, catalysis and analytical chemistry are being valued by many countries. [0003] Chitosan contains polar groups such as free h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 汤洁严国富
Owner BEIJING LEILI MARINE BIOINDUSTRY INC
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