CN102617961A - Plant cultivation medium and preparation method thereof - Google Patents
Plant cultivation medium and preparation method thereof Download PDFInfo
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- CN102617961A CN102617961A CN2011100323358A CN201110032335A CN102617961A CN 102617961 A CN102617961 A CN 102617961A CN 2011100323358 A CN2011100323358 A CN 2011100323358A CN 201110032335 A CN201110032335 A CN 201110032335A CN 102617961 A CN102617961 A CN 102617961A
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Abstract
The invention discloses a plant cultivation medium and a preparation method thereof. The preparation method comprises the following steps: carrying out first foaming by adding polyvinyl alcohol to aldehyde and a pore forming agent to form a semi-finished cultivation medium, crushing the semi-finished cultivation medium into particles, and carrying out second foaming by mixing the particles with polyvinyl alcohol, the aldehyde and the pore forming agent to obtain the plant cultivation medium with biodegradability and hydrophilicity. The crosslinking structure of the plant cultivation medium has several pores with the pore diameter of 30-50mum, the pore rate of the plant cultivation medium is 75-95%, and the water content of the plant cultivation medium is 4-9 times its own dry mass. The plant cultivation medium can maintain sufficient water, nutrients and air permeability for a long time to support the complete development of plant roots and reinforce the plant growth.
Description
Technical field
The method that the present invention relates to a kind of plant growing medium and prepare this plant growing medium specifically relates to a kind ofly can keep adequate water, nutrient and Gas permeability for a long time, and can biodegradable plant growing medium and preparation method thereof.
Background technology
The growth phase of plant generally can be divided into: seedlings root development, growth phase, flower bud differentiation period, flowering period, fruiting period etc.; Wherein, The critical stage whether root system development when seedling field planting or plant are transplanted and plant-growth stage can plant out superior in quality plant after the determination date especially; Therefore how to cooperate the plant-growth stage; Emphasis function developing direction demand gives suitable nutrient and promptly seems important, and in order competent nutrient and moisture to be provided and to support that plant root system development is complete, the cultivation medium of selecting to be fit to just becomes one of important factor that influences the plant development.
Wanting angle-orchid (orchids) with one of Taiwan export trade flowers is example; Its requirement for cultivation medium mainly is an air permeability, full water-based is good, nutrient adheres to easily, pH value (potential of hydrogen), EC value (soluble salt concentration) are stablized etc., the most important thing is that cultivation medium must clean and do not have a disease and pest.At present, plantation person many with letterwood, sphagna as main cultivation medium, also have and cultivate with Exocarpium cocois (Cocos nucifera L); Yet above-mentioned cultivation medium is formed with natural phant processing back, therefore subsidiary easily bacterium or the disease and pest that is harmful to the orchid growth; Must behind sterilization and sterilizing program, can plant use, in addition, letterwood piece or letterwood bits are difficult for adhering to, increasing the problem of fertilising difficulty owing to there is nutrient greatly in the space between tissue; Sphagna then because water-absorbent is too good, causes ventilation property not enough on the contrary, easily because of for a long time too humidity cause orchid to rot root; Though can make root system development good as for Exocarpium cocois (Cocos nucifera L), not perishable and do not meet environmental protection requirement, in addition; Crossing when Exocarpium cocois (Cocos nucifera L) acidity needs adjustment when strong, during its organic matter decomposition, can produce the effect competed to nitrogen matter with plant simultaneously; What should be noted that nitrogen matter fertilizer replenishes above-mentioned all degree of difficulty that all increases Orchis planting.
Summary of the invention
In order to overcome above-mentioned defective, the invention provides a kind of plant growing medium and method of manufacture thereof, the plant growing medium that makes through the inventive method can keep adequate water, nutrient and Gas permeability for a long time, and can biological degradation.
The present invention for the technical scheme that solves its technical problem and adopt is:
A kind of plant growing medium, said plant growing medium are the hydrophilic foaies of tool that is produced the crosslinking structure gained by Z 150PH and aldehydes and pore-forming material, and it is 30 microns～5 millimeters hole that said crosslinking structure has some apertures.
The percentage of open area of said plant growing medium is 75～95%.
A kind of method of manufacture of plant growing medium, undertaken by following step:
(a) aldehydes and pore-forming material are added Z 150PH, get a mixing material;
(b) mixing material of step (a) gained is carried out the foaming first time in the sour environment of pH≤4, one have crosslinking structure the cultivation medium work in-process;
(c) the cultivation medium work in-process with step (b) gained are ground into the particle that particle diameter is 0.5mm～1cm;
(d) particle with step (c) gained mixes with Z 150PH and aldehydes, gets a foam material;
(e) foam material with step (d) gained carries out the foaming second time in the sour environment of pH≤4, promptly gets the plant growing medium finished product with crosslinking structure.
The crosslinking structure that produces in step (b) and the step (e) is formed through aldolization by aldehydes and Z 150PH.
The half-finished consumption of said cultivation medium accounts for 20～80% of said plant growing medium finished product TV.
When said plant growing medium conduct was used to cultivate the medium of orchid, the half-finished consumption of said cultivation medium accounted for 50～80% of said plant growing medium finished product TV.
Said aldehydes be selected from formaldehyde and the acetaldehyde one of at least.
The sour environment of said pH≤4 by be selected from hydrochloric acid and sulfuric acid one of at least formed acidic aqueous solution constitute, and said acidic aqueous solution accounts for 3～10% of said plant growing medium finished product TV.
The consumption of said Z 150PH accounts for 5～12% of said plant growing medium finished product TV.
Said pore-forming material is a starch.
The invention has the beneficial effects as follows: the present invention adds aldehydes and pore-forming material formed cultivation medium work in-process after foaming for the first time with Z 150PH to be ground into particle; Again this particle is mixed with Z 150PH, aldehydes, pore-forming material and carry out second time foaming; Thereby obtain tool Biodegradable and hydrophilic plant growing medium; It is 30 microns～5 millimeters hole that the crosslinking structure of this plant growing medium has some apertures; The percentage of open area of plant growing medium is 75～95%, and has the moisture multiple of 4～9 times of himself dry mass, and this plant growing medium can keep adequate water, nutrient and Gas permeability for a long time; To support that plant root system development is complete, reach the purpose of fortification of plants GF.
Description of drawings
Fig. 1 is a plant growing medium manufacturing flow chart of the present invention;
Fig. 2 is the sectional view of plant growing medium of the present invention.
Embodiment
Embodiment: a kind of plant growing medium; Said plant growing medium is tool wetting ability and the biodegradable foam that is produced the crosslinking structure gained by Z 150PH and aldehydes and pore-forming material, and it is 30 microns～5 millimeters hole that said crosslinking structure has some apertures.The percentage of open area of said plant growing medium is 75～95%, and said plant growing medium has the moisture multiple of 4～9 times of himself dry mass.
The method of manufacture of said plant growing medium is following:
(a) aldehydes and pore-forming material are added Z 150PH, get a mixing material; Wherein said aldehydes is to be formaldehyde, and said pore-forming material is a starch;
(b) mixing material of step (a) gained is carried out the foaming first time in the sour environment of pH≤4, one have crosslinking structure the cultivation medium work in-process; Wherein, crosslinking structure is formed through the aldolization foaming by formaldehyde and Z 150PH, and through starch pore-creating, makes the half-finished crosslinking structure of said cultivation medium be formed with bigger foaming aperture; In addition, the foamed time of this step (b) is 4～12 hours, and blowing temperature is 40～70 ℃;
(c) the cultivation medium work in-process with step (b) gained are ground into the particle that particle diameter is 0.5mm～1cm;
(d) particle with step (c) gained mixes with Z 150PH and aldehydes, gets a foam material; The required adding pore-forming material of the also visual practical situation of this step (d) is to increase the foaming aperture of foaming for the second time;
(e) foam material with step (d) gained carries out the foaming second time in the sour environment of pH≤4, promptly gets the plant growing medium finished product with crosslinking structure; The foamed time second time of this step (e) is 4～12 hours, and blowing temperature is 40～70 ℃, make this plant growing medium finished product be formed with the foaming aperture of 50 μ m～1mm, and percentage of open area is 75～95%; And the consumption of this particle in step (d) accounts for 20～80% of this plant growing medium finished product TV, and its consumption decides according to plant variety, is example with the orchid, and its preferred proportion is 50～80%.
Wherein, the sour environment of said pH≤4 by be selected from hydrochloric acid and sulfuric acid one of at least formed acidic aqueous solution constitute, and said acidic aqueous solution accounts for 3～10% of said plant growing medium finished product TV.The consumption of said Z 150PH accounts for 5～12% of said plant growing medium finished product TV.
According to step (a) to step (b), in foaming for the first time: foamed time 4～12 hours, 40～70 ℃ of blowing temperatures, pore-forming material are starch, aldehydes is that each embodiment is the component such as the following table 1 of unit with cultivation medium work in-process TV 1000ml under the condition such as formaldehyde:
Table 1:
According to step (c) to step (e); In foaming for the second time: it is that starch, aldehydes are that each embodiment is that 1000ml is the component such as the following table 2 of unit with plant growing medium finished product TV under the condition such as formaldehyde that the cultivation medium work in-process that are foamed into for the first time are ground into 40～70 ℃ of particle, foamed time 4～12 hours, blowing temperatures, pore-forming material that particle diameter is 0.5mm～1cm:
Table 2:
The plant growing medium that makes according to said components and method; Its sectional structure is as shown in Figure 2; This plant growing medium 10 has highdensity aperture hole 11 in the crosslinking structure 101 of the foaming first time; After foaming for the second time, crosslinking structure and this cultivation medium work in-process particle 102 of new moulding have aperture hole 11, then form mesopore hole 12 between the cultivation medium work in-process particle 102 of the crosslinking structure 101 of this new moulding and adding; Originally be coated with the pore-forming material part, then after removing pore-forming material, form macropore hole 13.Therefore, this plant growing medium is formed with the hole of 30 μ m～5mm; And make the percentage of open area of plant growing medium reach 75～95% of its TV through foaming for the second time, and have the moisture multiple of 4～9 times of himself dry mass; In addition,, have good water conservation humidity-holding effect, make moisture be difficult for evaporation because the wetting ability of this plant growing medium is filled when being attached to the hole of this plant growing medium moisture.
What deserves to be mentioned is, the half-finished consumption of cultivation medium that forms when foaming for the first time account for the plant growing medium finished product 30～50% the time, be applicable to the plantation of orchid.
The crosslinking structure that the present invention uses polyvinyl alcohol foam to produce; Through formed highdensity big fine porosity after the foaming for the second time, make plant growing medium have good water conservation effect, and be able to be attached to the water yield of this plant growing medium through control; Reach balance degree of preserving moisture and ventilation property; Make the root system of orchid or other plant be able under the high environment of Gas permeability, still can absorb competent moisture, nutrient, this plant growing medium is because its degree of preserving moisture is good simultaneously; Water molecules was evaporated through long-time being difficult for; Also can reduce water number of times and reduce the problem of fertilising degree of difficulty of grower, reach and support that the orchid root system development is complete, the purpose of fortification of plants GF.
This embodiment and accompanying drawing are merely preferred embodiment of the present invention, when can not with the scope implemented of qualification the present invention, the equalization of promptly being done according to claim scope of the present invention generally changes and modifies, and all should belong in the scope that patent of the present invention contains.
Claims (10)
1. a plant growing medium is characterized in that, said plant growing medium is the hydrophilic foam of tool that is produced the crosslinking structure gained by Z 150PH and aldehydes and pore-forming material, and it is 30 microns～5 millimeters hole that said crosslinking structure has some apertures.
2. a kind of plant growing medium according to claim 1 is characterized in that, the percentage of open area of said plant growing medium is 75～95%.
3. the method for manufacture of a plant growing medium is characterized in that, is undertaken by following step:
(a) aldehydes and pore-forming material are added Z 150PH, get a mixing material;
(b) mixing material of step (a) gained is carried out the foaming first time in the sour environment of pH≤4, one have crosslinking structure the cultivation medium work in-process;
(c) the cultivation medium work in-process with step (b) gained are ground into the particle that particle diameter is 0.5mm～1cm;
(d) particle with step (c) gained mixes with Z 150PH and aldehydes, gets a foam material;
(e) foam material with step (d) gained carries out the foaming second time in the sour environment of pH≤4, promptly gets the plant growing medium finished product with crosslinking structure.
4. the method for manufacture of a kind of plant growing medium according to claim 3 is characterized in that, the crosslinking structure that produces in step (b) and the step (e) is formed through aldolization by aldehydes and Z 150PH.
5. the method for manufacture of a kind of plant growing medium according to claim 3 is characterized in that, the half-finished consumption of said cultivation medium accounts for 20～80% of said plant growing medium finished product TV.
6. the method for manufacture of a kind of plant growing medium according to claim 5; It is characterized in that; When said plant growing medium conduct was used to cultivate the medium of orchid, the half-finished consumption of said cultivation medium accounted for 50～80% of said plant growing medium finished product TV.
7. the method for manufacture of a kind of plant growing medium according to claim 3 is characterized in that, said aldehydes be selected from formaldehyde and the acetaldehyde one of at least.
8. the method for manufacture of a kind of plant growing medium according to claim 3; It is characterized in that; The sour environment of said pH≤4 by be selected from hydrochloric acid and sulfuric acid one of at least formed acidic aqueous solution constitute, and said acidic aqueous solution accounts for 3～10% of said plant growing medium finished product TV.
9. the method for manufacture of a kind of plant growing medium according to claim 3 is characterized in that, the consumption of said Z 150PH accounts for 5～12% of said plant growing medium finished product TV.
10. the method for manufacture of a kind of plant growing medium according to claim 3 is characterized in that, said pore-forming material is a starch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110032335.8A CN102617961B (en) | 2011-01-30 | 2011-01-30 | Plant cultivation medium and preparation method thereof |
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| CN201110032335.8A CN102617961B (en) | 2011-01-30 | 2011-01-30 | Plant cultivation medium and preparation method thereof |
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| CN102617961A true CN102617961A (en) | 2012-08-01 |
| CN102617961B CN102617961B (en) | 2014-03-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103907486A (en) * | 2014-03-11 | 2014-07-09 | 深圳市铁汉生态环境股份有限公司 | Repotting-free organic planting container and manufacture method thereof |
| CN105611825A (en) * | 2013-10-07 | 2016-05-25 | 株式会社可乐丽 | Culture medium for plant cultivation, and plant cultivation device and plant cultivation method using same |
| CN107285851A (en) * | 2017-06-15 | 2017-10-24 | 西施生态科技股份有限公司 | A kind of matrix of ornamental plant introducing and planting and its preparation |
| US11051460B2 (en) | 2015-01-19 | 2021-07-06 | Jiffy International As | Durable fiber plant growth containers and related materials and methods |
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| CN2092858U (en) * | 1989-07-14 | 1992-01-15 | 任世南 | Device for realizing stereo planting instead of soil |
| RU2001563C1 (en) * | 1991-06-28 | 1993-10-30 | Институт медико-биологических проблем | Substrate for growing of plants |
| CN1095075A (en) * | 1994-04-28 | 1994-11-16 | 上海华一经济科技实业公司 | High water absorbency plastic foam and preparation method |
| CN1246814A (en) * | 1997-02-21 | 2000-03-08 | 钟纺株式会社 | Sponge sheet |
| JP2004155886A (en) * | 2002-11-06 | 2004-06-03 | Aion Kk | Polyvinyl acetal-based porous body |
| CN101649066A (en) * | 2009-09-02 | 2010-02-17 | 黄建辉 | Preparation method of sponge formed by embedding of porous network material and polyvinyl alcohol porous foamed sponge |
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2011
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092858U (en) * | 1989-07-14 | 1992-01-15 | 任世南 | Device for realizing stereo planting instead of soil |
| RU2001563C1 (en) * | 1991-06-28 | 1993-10-30 | Институт медико-биологических проблем | Substrate for growing of plants |
| CN1095075A (en) * | 1994-04-28 | 1994-11-16 | 上海华一经济科技实业公司 | High water absorbency plastic foam and preparation method |
| CN1246814A (en) * | 1997-02-21 | 2000-03-08 | 钟纺株式会社 | Sponge sheet |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105611825A (en) * | 2013-10-07 | 2016-05-25 | 株式会社可乐丽 | Culture medium for plant cultivation, and plant cultivation device and plant cultivation method using same |
| US10448584B2 (en) | 2013-10-07 | 2019-10-22 | Kuraray Co., Ltd. | Medium for plant cultivation, and apparatus and method for plant cultivation including the same |
| CN103907486A (en) * | 2014-03-11 | 2014-07-09 | 深圳市铁汉生态环境股份有限公司 | Repotting-free organic planting container and manufacture method thereof |
| US11051460B2 (en) | 2015-01-19 | 2021-07-06 | Jiffy International As | Durable fiber plant growth containers and related materials and methods |
| CN107285851A (en) * | 2017-06-15 | 2017-10-24 | 西施生态科技股份有限公司 | A kind of matrix of ornamental plant introducing and planting and its preparation |
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| CN102617961B (en) | 2014-03-26 |
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