Ceramsite soilless culture substrate as well as preparation method and application thereof

A soilless culture substrate, ceramsite technology, applied in planting substrates, botanical equipment and methods, applications, etc., can solve the problems of unbalanced soil microbial population structure, high technical difficulty, poor continuous cropping efficiency, etc., to prevent rapid pH value. Effect of variation, rough and hard surface, good physical properties

Active Publication Date: 2020-12-25
范峪铭
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the application cost of liquid nutrient solution is high, the technology is difficult, and the matrix material cannot be recycled and reused, so the cost of use is high
[0007] In addition, the phenomenon of tomato continuous cropping is common, resulting in increasingly prominent obstacles to continuous cropping, resulting in a decline in soil quality, an imbalance in the structure of soil microbial populations, and a decline in tomato yield and quality, which seriously restricts facility tomato production.
[0008] In summary, the existing substrates mainly have the disadvantages of non-renewable sources of raw materials, secondary pollution, unstable physical and chemical properties, non-recyclable substrate materials, high cost of use, and poor continuous cropping efficiency.

Method used

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  • Ceramsite soilless culture substrate as well as preparation method and application thereof
  • Ceramsite soilless culture substrate as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A preparation method of ceramsite soilless culture substrate, comprising the following steps:

[0031] Step 1. Rinse the shells, dry them under natural conditions, and then put them in a traditional Chinese medicine grinder to crush them for 5 minutes, crush them three times, pass them through a 150-mesh sieve, then calcinate them at 1000°C for 2 hours, and cool them naturally to get the shells calcined powder;

[0032] Step 2. Prepare the calcined shell powder with 0.85% NaCl physiological saline to make a suspension of 1 wt.% for later use, then add fly ash ceramsite and stir evenly to obtain a mixture A, wherein the calcined shell powder and fly ash The mass ratio of ceramsite is 1:20;

[0033] Step 3. Use 20 wt.% gelatin as the water phase, heat it in a water bath at 55°C, then use 0.05 g / mL liquid paraffin solution as the oil phase, and then add the preheated gelatin solution dropwise to the oil phase, stirring while adding , emulsified for 10 min after dropwise ...

Embodiment 2

[0038] A preparation method of ceramsite soilless culture substrate, comprising the following steps:

[0039] Step 1. Rinse the shells, dry them under natural conditions, and then put them in a traditional Chinese medicine grinder to crush them for 5 minutes, crush them three times, pass them through a 150-mesh sieve, then calcinate them at 1000°C for 2 hours, and cool them naturally to get the shells calcined powder;

[0040] Step 2. Prepare the calcined shell powder with 0.85% NaCl physiological saline to make a suspension of 4 wt.% for later use, then add fly ash ceramsite and stir well to obtain mixture A, wherein the calcined shell powder and fly ash The mass ratio of ceramsite is 1: 30;

[0041] Step 3. Use 20 wt.% gelatin as the water phase, heat it in a water bath at 65°C, then use 0.05 g / mL liquid paraffin solution as the oil phase, then add the preheated gelatin solution drop by drop into the oil phase, and stir while adding , emulsified for 10 min after dropwise a...

Embodiment 3

[0046] A preparation method of ceramsite soilless culture substrate, comprising the following steps:

[0047] Step 1. Rinse the shells, dry them under natural conditions, and then put them in a traditional Chinese medicine grinder to crush them for 5 minutes, crush them three times, pass them through a 150-mesh sieve, then calcinate them at 1000°C for 2 hours, and cool them naturally to get the shells calcined powder;

[0048] Step 2. Prepare the shell calcined powder with 0.85% NaCl physiological saline to make a 2 wt.% suspension for later use, then add fly ash ceramsite and stir well to obtain mixture A, wherein, shell calcined powder and fly ash The mass ratio of ceramsite is 1:25;

[0049]Step 3. Use 20 wt.% gelatin as the water phase, heat it in a water bath at 62°C, then use 0.05 g / mL liquid paraffin solution as the oil phase, then add the preheated gelatin solution dropwise to the oil phase, and stir while adding , emulsified for 10 min after dropwise addition, then ...

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Abstract

The invention discloses a ceramsite soilless culture substrate and a preparation method and application thereof, and belongs to the technical field of soilless culture. The preparation method comprises the following steps that shells are calcined into powder, and then the powder and fly ash ceramsite are uniformly stirred to obtain a mixture A; chitosan oligosaccharide is loaded on the surface ofa gelatin microcapsule, washing and drying are carried out to obtain a mixture B; spent mushroom composts, perlite and goat manure are crushed correspondingly, bacillus subtilis suspension liquid is added, the mixture A and the mixture B are added after uniform stirring is carried out, and full and uniform mixing is carried out to obtain the ceramsite soilless culture substrate. According to the method, the calcined shell powder, the gelatin / chitosan oligosaccharide mixture and the bacillus subtilis suspension liquid are combined and added into the fly ash ceramsite, a nutrition medium is combined, the synergistic interaction effect is achieved, and the prepared product has the advantages of being environment-protecting, renewable, reusable, high in continuous cropping efficiency, high inantibacterial rate, capable of retaining water, breathable and the like.

Description

technical field [0001] The invention belongs to the technical field of soilless cultivation, and in particular relates to a ceramsite soilless cultivation substrate and a preparation method and application thereof. Background technique [0002] With the improvement of living standards, people pay more attention to health, which makes the demand for green and organic food gradually increase. However, most of the basic fertilizers currently used in the vegetable planting process are inorganic salts, especially fertilizers with 90% nitrate nitrogen in the total nitrogen content, and the vegetables produced cannot meet the "green food" standard. The use of organic ecological soilless cultivation technology can reduce the application of nitrate nitrogen fertilizer, and at the same time, there is no problem of pesticide pollution. Its products can meet the standard of "Grade A or AA green food". [0003] The production of year-round vegetable crops is a typical feature of my co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G24/10A01G24/15A01G24/20A01G22/05
CPCA01G24/10A01G24/20A01G24/15A01G22/05
Inventor 范峪铭刘伟李慧霞周俊路亚南
Owner 范峪铭
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