Culture substrate and preparation method thereof

A technology of cultivation substrate and organic matter, applied in the directions of planting substrate, botanical equipment and methods, medium, etc., can solve the problems of affecting the growth of crop roots, poor air permeability and water retention capacity, etc., to increase air permeability and water retention capacity, avoid fertilizer shortage, improve The effect of crop germination rate

Inactive Publication Date: 2018-01-16
BEIJING SANJU GREEN ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] For this reason, the substrate adopted in the existing soilless cultivation to be solved by the present invention has the disadvantages of poor air permeability and water retention capacity, which affects the growth of crop roots, and then provides a kind of cultivation substrate with good air permeability and water retention capacity, well-developed crop root system, and vigorous growth. its preparation method

Method used

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  • Culture substrate and preparation method thereof
  • Culture substrate and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0039] This embodiment provides a cultivation substrate and a preparation method thereof. The cultivation substrate includes the following raw materials: 50Kg of organic matter, 40Kg of non-metallic minerals, 9Kg of binder, 4Kg of wood vinegar and 9Kg of biochar;

[0040] Among them, the organic matter is composed of raw wheat straw and decomposed wheat straw, the mass ratio of the two is 7:4, and the particle size of raw wheat straw is 2cm; the non-metallic minerals are composed of 30Kg of 300-mesh sepiolite and 10Kg of 500-mesh tourmaline; The binder is a water glass aqueous solution with a mass fraction of 15%;

[0041] The preparation method of above-mentioned cultivation substrate, comprises the steps:

[0042] 1) mixing the organic matter, the non-metallic minerals, the binder and the biomass charcoal evenly;

[0043] 2) Place the mixture obtained in step 1) in a screw extruder, and extrude it at 30Mpa to obtain a molding;

[0044] 3) The molded product was microwaved...

Embodiment 2

[0047] This embodiment provides a cultivation substrate and a preparation method thereof. The cultivation substrate includes the following raw materials: 50Kg of organic matter, 40Kg of non-metallic minerals, 9Kg of binder, 4Kg of wood vinegar and 9Kg of biochar;

[0048] Among them, the organic matter is composed of raw wheat straw and decomposed wheat straw, and the mass ratio of the two is 7:4. Composed of wheat straw, the mass ratio of the three is 5:8:2; the non-metallic minerals are composed of 30Kg of 300-mesh sepiolite and 10Kg of 500-mesh tourmaline; the binder is water glass aqueous solution with a mass fraction of 15%;

[0049] The preparation method of above-mentioned cultivation substrate, comprises the steps:

[0050] 1) mixing the organic matter, the non-metallic minerals, the binder and the biomass charcoal evenly;

[0051] 2) Place the mixture obtained in step 1) in a screw extruder, and extrude it at 30Mpa to obtain a molding;

[0052] 3) The molded produc...

Embodiment 3

[0055] This embodiment provides a cultivation substrate and a preparation method thereof. The cultivation substrate includes the following raw materials: 10Kg of organic matter, 60Kg of non-metallic minerals, 8Kg of binder, 5Kg of wood vinegar and 8Kg of biochar;

[0056] Among them, the organic matter is composed of raw rice straw and decomposed rice straw, and the mass ratio of the two is 8:3. Composed of rice straw, the mass ratio of the three is 4:9:1; non-metallic minerals are composed of 30Kg of 300-mesh attapulgite and 30Kg of 200-mesh coral reef; the binder is formaldehyde-free soybean gum;

[0057] The preparation method of above-mentioned cultivation substrate, comprises the steps:

[0058] 1) mixing the organic matter, the non-metallic minerals, the binder and the biomass charcoal evenly;

[0059] 2) Place the mixture obtained in step 1) in a screw extruder, and extrude it at 50Mpa to obtain a molding;

[0060] 3) The molded product was microwaved at 2300MHZ for ...

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Abstract

The invention discloses a culture substrate and a preparation method thereof. According to the culture substrate, an organic matter, non-metallic minerals, an adhesive, pyroligneous liquor and biomasscharcoal with special proportion are adopted and are matched with one another; in the blending process, the ingredients and aggregations between the ingredients grow up through the binding effect ofa binder, and the blockage for holes of small particulate matters is reduced; holes of the culture substrate are balanced by utilizing biomass charcoal; the pyroligneous liquor is sprayed to the culture substrate, and penetrates into the culture substrate, the culture substrate is loosened, the ventilation and water retaining capability of the culture substrate can be enhanced, the condition thatroots have sufficient oxygen and water can be guaranteed, and the growth of crops is promoted. In addition, the culture substrate contains rich organic matters and microelements, so that nutrients needed by the crops can be provided, and the germination rate is increased due to sufficient oxygen and water.

Description

technical field [0001] The invention belongs to the technical field of soilless cultivation, and in particular relates to a cultivation substrate and a preparation method thereof. Background technique [0002] The difference between soilless cultivation and conventional cultivation is that plants are cultivated directly with nutrient solution without soil. It mainly includes hydroponics, fog (air) cultivation and matrix cultivation. Among them, matrix cultivation is a cultivation method with the largest promotion area in soilless cultivation. It fixes the root system of the crop in the substrate, supplies the nutrient solution to the crop through drip irrigation or trickle irrigation, and allows the plant root system to directly contact the nutrient solution. The cultivation medium can be put into a plastic bag, or laid in a cultivation ditch or groove. [0003] In the prior art, the substrates used for substrate cultivation are generally gravel, sand, peat, vermiculite, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G24/40C05G3/00
Inventor 张晓楠付兴国李忠潘东陈飞连怡雪李永杰
Owner BEIJING SANJU GREEN ENERGY TECH CO LTD
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