Nutrient solution for soilless cultivation of garden plant and preparation method thereof

A technology of soilless cultivation and nutrient solution, applied in the direction of application, fertilizer mixture, alkaline orthophosphate fertilizer, etc., can solve the problems such as difficulty in maintaining the long-term effectiveness of fungicides, so as to promote healthy growth, prevent root system corruption, and element compatibility reasonable effect

Inactive Publication Date: 2019-10-18
ANQING NORMAL UNIV
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Problems solved by technology

As the only source of plant root nutrition in soilless culture, the nutrient solution should contain all the mineral nutrients necessary for crop growth, and the content of each element is in an appropriate proportion. You may also choose to add fungicides, but fungicides are generally directly added to the nutrient solution and mixed with various elements. This method is difficult to maintain the long-term effectiveness of fungicides

Method used

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  • Nutrient solution for soilless cultivation of garden plant and preparation method thereof

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preparation Embodiment 1

[0026] The hydrogel sustained-release body is prepared by the following steps: dissolving γ-polyglutamic acid and chitosan in water to form a homogeneous aqueous solution, adding diammonium carbide and N-hydroxysuccinimide, reacting at room temperature for 2 hours, and dissolving the product The colloid is dialyzed and purified in water, and dried to obtain a γ-polyglutamic acid / chitosan hydrogel; the γ-polyglutamic acid: chitosan: diammonium carbide: N-hydroxysuccinimide molar ratio is 1:0.2:0.3:0.3, the mass concentration of γ-polyglutamic acid is 4%.

preparation Embodiment 2

[0028] Dissolve γ-polyglutamic acid and chitosan in water to form a homogeneous aqueous solution, add diammonium carbide and N-hydroxysuccinimide, react at room temperature for 3 hours, dialyze and purify the product colloid in water, and dry it to obtain γ- Polyglutamic acid / chitosan hydrogel; the γ-polyglutamic acid: chitosan: diammonium carbide: N-hydroxysuccinimide molar ratio is 1:0.4:0.4:0.4, the γ- The mass concentration of polyglutamic acid is 5%.

preparation Embodiment 3

[0030] Dissolve γ-polyglutamic acid and chitosan in water to form a homogeneous aqueous solution, add diammonium carbide and N-hydroxysuccinimide, react at room temperature for 4 hours, dialyze and purify the product colloid in water, and dry it to obtain γ- Polyglutamic acid / chitosan hydrogel; the γ-polyglutamic acid: chitosan: diammonium carbide: N-hydroxysuccinimide molar ratio is 1:0.5:0.5:0.5, the γ- The mass concentration of polyglutamic acid is 7%.

[0031] In order to fully illustrate the beneficial effect of the nutrient solution provided by the present invention, we take water bamboo as an example, adopt the nutrient solution of the present invention to raise water bamboo seedlings, and detect the growth of water bamboo.

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Abstract

The invention discloses a nutrient solution for soilless cultivation of a garden plant and a preparation method thereof, belonging to the technical field of soilless cultivation. The nutrient solutionis prepared from the following raw materials in parts by weight: 6 to 8 parts of calcium nitrate, 2 to 6 parts of potassium nitrate, 2 to 4 parts of potassium sulfate, 1 to 4 parts of potassium dihydrogen phosphate, 4 to 7 parts of magnesium sulfate, 0.4 to 0.6 part of EDTA ferric sodium salt, 0.02 to 0.05 part of manganese sulfate, 0.01 to 0.04 part of sodium tetraborate, 0.005 to 0.015 part ofzinc sulfate, 0.001 to 0.004 part of copper sulfate, 0.04 to 0.05 part of boric acid, 0.0003 to 0.0005 part of ammonium molybdate, 1 to 4 parts of a pH regulator, 2000 parts of water, 0.5 to 0.9 partof a bactericide and 1 to 3 parts of a hydrogel slow-release body, wherein the bactericide is loaded into the hydrogel slow-release body which is a gamma-polyglutamic acid / chitosan hydrogel. The nutrient solution provided by the invention can guarantee nutrient absorption of a plant, so the healthy growth of the garden plant is promoted; and a hydrogel capable of slowly releasing the bactericide can slowly and continuously release the bactericide into a nutrient solution system, so the root part of the plant is continuously guaranteed from being invaded by bacteria.

Description

technical field [0001] The invention belongs to the technical field of soilless cultivation, and in particular relates to a nutrient solution for soilless cultivation of garden plants and a preparation method thereof. Background technique [0002] In order to beautify people's living environment, the relationship between garden art and people's life is becoming increasingly close, and the demand for high-quality garden plants is also increasing. In order to meet the demand, it has become a common practice to use soilless cultivation technology for the cultivation of garden plants. Phenomenon. [0003] Soilless cultivation refers to a cultivation method in which water, peat or forest leaf mulch, vermiculite and other media are used as the substrate for the root system of the plant to fix the plant, and the root system of the plant can directly contact the nutrient solution. The core of soilless cultivation is to use nutrient solution instead of soil to provide the mineral nu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
CPCC05B7/00C05G3/00C05G5/20
Inventor 范志强丁元春马岩凌张军宗梅陈陈俞明惠
Owner ANQING NORMAL UNIV
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