CN113317160A - Cultivation process of garden flower seedlings - Google Patents

Cultivation process of garden flower seedlings Download PDF

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Publication number
CN113317160A
CN113317160A CN202110775277.1A CN202110775277A CN113317160A CN 113317160 A CN113317160 A CN 113317160A CN 202110775277 A CN202110775277 A CN 202110775277A CN 113317160 A CN113317160 A CN 113317160A
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Prior art keywords
steps
following
parts
cultivation process
soil
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Inventor
黄泽文
冯华
欧禄
杜柳仪
何思伟
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Guangzhou Huajing Construction Co ltd
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Guangzhou Huajing Construction Co ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • A01G22/60Flowers; Ornamental plants
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C1/00Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B7/00Fertilisers based essentially on alkali or ammonium orthophosphates
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80Soil conditioners
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/90Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00Fertilisers characterised by their form
    • C05G5/20Liquid fertilisers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

Abstract

The application relates to the field of plant cultivation, and particularly discloses a cultivation process of garden flower seedlings, which comprises the following steps: soaking, disinfecting and accelerating germination of seeds to obtain seedlings; step two, deep ploughing, loosening and fertilizing the soil; adding the planting nutrient solution to the soil to obtain modified soil; step four, cultivating the seedlings to modified soil, and performing maintenance management; wherein the planting nutrient solution comprises a water-retaining agent, ammonium sulfate, boric acid, a nitrification inhibitor, monopotassium phosphate, fibrilia, wood fiber and terpene resin. This application has the survival rate of promotion tree peony of vwatching when gardens planting cultivation, reduces the effect of gardens planting cost simultaneously.

Description

Cultivation process of garden flower seedlings
Technical Field
The application relates to the technical field of plant cultivation, in particular to a cultivation process of garden flower seedlings.
Background
The cultivation refers to the reproduction of the plants by using the parts which can grow and reproduce according to the growth characteristics of the plants and respecting the growth rule.
With the development of society, garden construction is increasingly prosperous, garden greening naturally lacks plants in a thousand-posture and various states, meanwhile, flower seedlings with strong ornamental value are generally selected for planting in garden construction, including narcissus, rhododendron, orchid, peony and the like, wherein ornamental peony has more ornamental value in the aspects of leaves, flowers, fruits, shapes and the like than common peony, so that ornamental peony is more and more applied in urban greening, and the application prospect is wider. However, the ornamental peony is a perennial deciduous shrub, the growth period is long, the plant type is small, the survival rate of the ornamental peony is easy to be low due to insufficient nutrition supply during the planting period, and the cultivation cost of the ornamental peony is increased.
Disclosure of Invention
In order to promote the survival rate of ornamental peony when gardens planting cultivation, this application provides a cultivation technology of gardens flower seedling.
The application provides a cultivation process of garden flower seedlings, which adopts the following technical scheme:
the garden flower seedling cultivation process based on ornamental peony comprises the following steps:
firstly, placing seeds in a plant growth hormone solution for soaking for 1-3d, then placing the seeds in water for soaking for 0.5-3.5d for disinfection, and finally accelerating germination of the seeds to obtain seedlings;
step two, deep ploughing and loosening soil to be planted, and adding a fertilizer into the soil subjected to deep ploughing and loosening for fertilization;
step three, adding planting nutrient solution to the soil fertilized in the step two to obtain modified soil;
and step four, cultivating the seedlings in the modified soil, and performing maintenance management.
By adopting the process steps to cultivate the flower seedlings of ornamental peony, the survival rate of the flower seedlings of ornamental peony can be effectively improved, and therefore the planting cost of gardens can be better saved, and the method has great economic value.
Preferably, the plant growth hormone solution in the first step is one of gibberellin solution and brassinosteroids solution.
One of the gibberellin solution and the brassinosteroids solution is used as the plant growth hormone solution, so that the seeds can be better stimulated, and the survival rate of the flower seedlings of the ornamental peony is improved to a certain extent.
Preferably, the concentration of the plant growth hormone solution in the first step is 1-3%.
By adopting the technical scheme, the concentration of the plant growth hormone solution is further limited, the stimulation of the plant growth hormone solution to seeds can be better enhanced, and the purpose of further improving the survival rate of the flower seedlings of the ornamental peony is achieved.
Preferably, the temperature of the water in the first step is 20-30 ℃.
Temperature through to water is injectd, can more be favorable to the sprouting of seed to the survival rate of better promotion seedling, and the planting cost in gardens has been practiced thrift to a certain extent.
Preferably, the planting nutrient solution is prepared from the following raw materials in parts by weight:
water-retaining agent: 1.5-5.5 parts;
ammonium sulfate: 1.5-4.5 parts;
boric acid: 1.2-3.8 parts;
nitrification inhibitor: 10-15 parts;
potassium dihydrogen phosphate: 2.5-7.5 parts;
fibrilia: 2-5 parts;
wood fiber: 3-8 parts;
terpene resin: 1.2 to 3.5 portions.
Through adopting above-mentioned technical scheme, the planting nutrient solution that contains water-retaining agent, ammonium sulfate, boric acid, nitrification inhibitor and monopotassium phosphate in soil adds the raw materials can provide more nutrients and microelement for seedling production, in addition, through adding fibrilia, wood fiber and terpene resin in planting nutrient solution, can more effectual promotion plant the effect of nutrient solution to can be more favorable to improving the planting survival rate of vwatching peony flower seedling, practiced thrift the gardens planting cost to a certain extent.
Regarding the phenomenon of performance enhancement, the inventor guesses that, after adding, the fibrilia firstly combines with the surface layer of the seedling and forms a net structure to wrap the surface layer of the seedling, thereby improving the water locking capacity of the surface layer of the seedling to reduce the loss of nutrients along with water, and by adding the terpene resin, the terpene resin firstly generates intramolecular rearrangement to enable the terpene resin to be bonded on the outer surface layer of the fibrilia net structure, then after adding the wood fiber, the wood fiber quickly forms a three-dimensional net structure to wrap the outer surface layer of the fibrilia net structure under the bonding effect of the terpene resin to form a two-layer net structure protective layer, thereby further reducing the loss of nutrients along with water, and in addition, the moisture around the seedling can be adsorbed by the high water absorption property of the wood fiber, so that some metal trace element ions dissolved in water can be simultaneously adsorbed on the three-dimensional net structure of the wood fiber, thereby being beneficial to the absorption of the seedlings to the trace elements and achieving the purpose of improving the survival rate of the ornamental peony in the garden planting and cultivating process.
Preferably, the weight parts of the fibrilia are 2.5 to 4, the weight parts of the wood fiber are 4 to 6, and the weight parts of the terpene resin are 1.5 to 2.5.
By adopting the technical scheme, when the inventor further limits the weight parts of the fibrilia, the wood fiber and the terpene resin, the synergistic effect of the fibrilia, the wood fiber and the terpene resin can be better improved, and the survival rate of the flower seedlings can be further improved.
Preferably, the raw material of the planting nutrient solution also comprises ammonium bicarbonate, and the weight part of the ammonium bicarbonate is 10-15 parts.
Through adopting above-mentioned technical scheme, the PH value of planting the nutrient solution can be adjusted to the ammonium bicarbonate that adds, can more be favorable to terpene resin to take place intramolecular rearrangement to can further improve terpene resin and fibrilia and wood fiber's bonding strength, thereby reach the purpose that further promotes the flower seedling survival rate through reinforcing three's synergistic effect.
Preferably, the nitrification inhibitor is one of sulfathiazole, 4-amino-1, 2, 3-triazole hydrochloride and guanylthiourea.
By adopting one of sulfathiazole, 4-amino-1, 2, 3-triazole hydrochloride and guanyl thiourea as the nitrification inhibitor, the water locking effect of the planting nutrient solution on seedlings can be better improved, and the survival rate of the flower seedlings can be more effectively improved.
Preferably, the terpene resin has a softening point of 90 to 130 ℃.
Through adopting above-mentioned technical scheme, inject the softening point of terpene resin, can further strengthen terpene resin and fibrilia and wood fiber's bonding strength to can promote the beneficial effect of planting nutrient solution to the seedling survival rate to a certain extent, reach the purpose that further improves the flower seedling survival rate.
In summary, the present application has the following beneficial effects:
1. by adopting the process steps to cultivate the flower seedlings of ornamental peony, the survival rate of the flower seedlings of ornamental peony can be effectively improved, so that the planting cost of gardens can be better saved, and the method has great economic value;
2. through adding the planting nutrient solution that contains water-retaining agent, ammonium sulfate, boric acid, nitrification inhibitor and monopotassium phosphate in the raw materials, can provide more nutrients and microelement for seedling production, and through adding fibrilia, wood fiber and terpene resin in planting nutrient solution, can more effectual promotion plant the effect of nutrient solution to can be more favorable to improving the planting survival rate of vwatching tree peony flower seedling, practiced thrift the gardens planting cost to a certain extent.
Detailed Description
The present application will be described in further detail with reference to examples and preparations.
TABLE 1 sources and types of nutrient solution materials planted in preparation examples
Name of raw materials Model number Manufacturer of the product
Water-retaining agent 30-80 mesh Hebei Yanxing chemical Co., Ltd
Terpene resin T80-130 Zhengzhou Bairong chemical products Co Ltd
Ammonium sulfate Agricultural grade Jinan Longze chemical Co., Ltd
Boric acid / Guangzhou city Yisheng trade Co Ltd
Sulfathiazole / Shanghai Ethyl chemical Co., Ltd
4-amino-1, 2, 3-triazole hydrochloride / Anhui elegant chemical Co Ltd
Amidinothioureas / Jinan Rongzheng chemical Co Ltd
Potassium dihydrogen phosphate 100 mesh Suzhoujia instrument chemical Co., Ltd
Fibrilia / Tungxiang City Shangde textile Co Ltd
Wood fiber / Shijiazhuang bamboo science and technology limited
Preparation example
Preparation examples 1 to 5
The preparation method of the planting nutrient solution comprises the following steps:
the method comprises the following steps: weighing the water-retaining agent, ammonium sulfate, boric acid, nitrification inhibitor and potassium dihydrogen phosphate according to the weight parts, mixing and stirring at the rotating speed of 240r/min for 1h to obtain a first mixture;
step two: weighing terpene resin according to the weight part, and heating the terpene resin to 140 ℃ under the condition of heat preservation to obtain a second mixture;
step three: weighing the fibrilia and the wood fiber according to the weight parts, adding the fibrilia and the wood fiber into the second mixture, and mixing and stirring for 0.5h at the rotating speed of 280r/min to obtain a third mixture;
step four: and adding the third mixture into the first mixture, mixing and stirring for 1h at the rotating speed of 120r/min to obtain the planting nutrient solution.
In preparation examples 1 to 5, the nitrification inhibitor used was one of sulfathiazole, 4-amino-1, 2, 3-triazole hydrochloride, and guanylthiourea.
In preparation examples 1 to 5, the terpene resin used was one having a softening point of 60 to 75 ℃, 80 to 95 ℃ and 85 to 100 ℃.
TABLE 2-specific input amounts (unit kg) of raw material components in preparation examples 1 to 5
Figure BDA0003152975110000051
Figure BDA0003152975110000061
Preparation example 6
The difference between the preparation method of the planting nutrient solution and the preparation example 5 is that in the third step, when the fibrilia and the wood fiber are added into the second mixture, 15kg of ammonium bicarbonate is added together.
Preparation example 7
The difference between the preparation method of the planting nutrient solution and the preparation example 5 is that 13kg of ammonium bicarbonate is added in the third step when the fibrilia and the wood fiber are added into the second mixture.
Preparation example 8
The difference between the preparation method of the planting nutrient solution and the preparation example 5 is that in the third step, when the fibrilia and the wood fiber are added into the second mixture, 10kg of ammonium bicarbonate is added together.
Preparation example 9
The preparation method of the planting nutrient solution is different from the preparation example 8 in that the softening point temperature of the terpene resin is 90-130 ℃.
Comparative example
Comparative example 1
The preparation method of the planting nutrient solution is different from the preparation example 3 in that the fibrilia is replaced by equal amount of bamboo fiber.
Comparative example 2
The preparation method of the planting nutrient solution is different from the preparation example 3 in that the wood fiber is replaced by the corn fiber with the same quantity.
Comparative example 3
The preparation method of the planting nutrient solution is different from the preparation example 3 in that the terpene resin is replaced by the same amount of epoxy resin.
Comparative example 4
The preparation method of the planting nutrient solution is different from the preparation example 3 in that the fibrilia is replaced by equal amount of bamboo fiber, the wood fiber is replaced by equal amount of corn fiber, and the terpene resin is replaced by equal amount of epoxy resin.
Examples
Example 1
A cultivation process of garden flower seedlings comprises the following steps:
firstly, soaking seeds in 1% brassinosteroid solution for 1d, then soaking the seeds in water at the temperature of 20 ℃ for 3.5d for disinfection, and finally accelerating germination of the seeds to obtain seedlings;
step two, deep ploughing and loosening soil to be planted, and adding a ternary compound fertilizer into the deep ploughed and loosened soil for fertilization;
step three, adding planting nutrient solution to the soil fertilized in the step two to obtain modified soil;
and step four, cultivating the seedlings into modified soil, and carrying out later-stage maintenance management of watering, pinching, bud removal and pruning on the flower seedlings.
Example 2
A cultivation process of garden flower seedlings comprises the following steps;
step one, placing seeds in a gibberellin solution with the concentration of 3% for soaking for 2.5 days, then placing the seeds in water with the temperature of 30 ℃ for soaking for 0.5 days for disinfection, and finally accelerating germination of the seeds to obtain seedlings;
step two, deep ploughing and loosening soil to be planted, and adding a ternary compound fertilizer into the deep ploughed and loosened soil for fertilization;
step three, adding planting nutrient solution to the soil fertilized in the step two to obtain modified soil;
and step four, cultivating the seedlings into modified soil, and carrying out later-stage maintenance management of watering, pinching, bud removal and pruning on the flower seedlings.
Examples 3 to 15
A cultivation process of garden flower seedlings comprises the following steps:
firstly, soaking seeds in a gibberellin solution with the concentration of 2% for 3d, then soaking the seeds in water with the temperature of 25 ℃ for 2d for disinfection, and finally accelerating germination of the seeds to obtain seedlings;
step two, deep ploughing and loosening soil to be planted, and adding a ternary compound fertilizer into the deep ploughed and loosened soil for fertilization;
step three, adding planting nutrient solution to the soil fertilized in the step two to obtain modified soil;
and step four, cultivating the seedlings into modified soil, and carrying out later-stage maintenance management of watering, pinching, bud removal and pruning on the flower seedlings.
TABLE 3-sources of planting nutrient solution used in Steps 1-15 of examples 1
Item Planting nutrient solution
Example 1 Preparation example 1
Example 2 Preparation example 1
Example 3 Preparation example 1
Example 4 Preparation example 2
Example 5 Preparation example 3
Example 6 Preparation example 4
Example 7 Preparation example 5
Example 8 Preparation example 6
Example 9 Preparation example 7
Example 10 Preparation example 8
Example 11 Preparation example 9
Example 12 Comparative example 1
Example 13 Comparative example 2
Example 14 Comparative example 3
Example 15 Comparative example 4
Performance test
The test method for the survival rate of the flower seedlings comprises the following steps: in each group of examples, 100 flower seedlings are respectively prepared and treated, the number of the survival flower seedlings is visually observed, and the ratio of the number of the survival flower seedlings to the total test flower seedling number is calculated, namely the survival rate of the flower seedlings.
Item Survival rate of flower seedling (%)
Example 1 81
Example 2 81
Example 3 83
Example 4 85
Example 5 86
Example 6 90
Example 7 92
Example 8 96
Example 9 96
Example 10 97
Example 11 98
Example 12 65
Example 13 69
Example 14 70
Example 15 61
TABLE 4 summary of test data for examples 1-15
According to the comparison of the test data of the survival rate of the flower seedlings of the embodiment 3 and the embodiments 12 to 15 in table 4, when the fibrilia, the wood fiber and the terpene resin coexist, the synergistic effect of the fibrilia, the wood fiber and the terpene resin can be fully exerted, so that the purpose of effectively improving the survival rate of the flower seedlings of the ornamental peony can be achieved by reducing the loss of the nutrient components of the flower seedlings.
According to the comparison of the test data of the survival rate of the flower seedlings of the embodiments 3-7 in the table 4, the synergistic effect of the fibrilia, the wood fiber and the terpene resin can be further enhanced by controlling the weight ratio of the fibrilia, the wood fiber and the terpene resin in the planting nutrient solution, so that the effect of the planting nutrient solution on the flower seedlings is better improved, and the survival rate of the flower seedlings can be better improved.
According to the comparison of the test data of the survival rate of the flower seedlings in the embodiments 7 to 10 in the table 4, the synergistic effect of the fibrilia, the wood fiber and the terpene resin can be further enhanced by adding the ammonium bicarbonate and controlling the weight ratio of the ammonium bicarbonate, so that the water retention effect of the planting nutrient solution on the flower seedlings can be better improved, the loss of nutrient components can be reduced, and the survival rate of the flower seedlings can be more effectively improved.
According to the comparison of the test data of the survival rate of the flower seedlings of the embodiments 10 to 11 in the table 4, the terpene resin with the softening point ranging from 90 ℃ to 130 ℃ is added, so that the synergistic effect among the terpene resin, the fibrilia and the wood fiber can be better enhanced, the survival rate of the flower seedlings of ornamental peony can be better promoted, the purpose of saving the garden planting cost is achieved, and the economic value is very high.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims (9)

1. The garden flower seedling cultivation process is characterized by comprising the following steps of:
firstly, placing seeds in a plant growth hormone solution for soaking for 1-3d, then placing the seeds in water for soaking for 0.5-3.5d for disinfection, and finally accelerating germination of the seeds to obtain seedlings;
step two, deep ploughing and loosening soil to be planted, and adding a fertilizer into the soil subjected to deep ploughing and loosening for fertilization;
step three, adding planting nutrient solution to the soil fertilized in the step two to obtain modified soil;
and step four, cultivating the seedlings in the modified soil, and performing maintenance management.
2. The cultivation process of garden seedlings according to claim 1, characterized by comprising the following steps: the plant growth hormone solution in the step one is one of gibberellin solution and brassinosteroid solution.
3. The cultivation process of garden seedlings according to claim 1, characterized by comprising the following steps: the concentration of the plant growth hormone solution in the step one is 1% -3%.
4. The cultivation process of garden seedlings according to claim 1, characterized by comprising the following steps: the temperature of the water in the first step is 20-30 ℃.
5. The cultivation process of garden seedlings according to claim 1, characterized by comprising the following steps: the planting nutrient solution is prepared from the following raw materials in parts by weight:
water-retaining agent: 1.5-5.5 parts;
ammonium sulfate: 1.5-4.5 parts;
boric acid: 1.2-3.8 parts;
nitrification inhibitor: 10-15 parts;
potassium dihydrogen phosphate: 2.5-7.5 parts;
fibrilia: 2-5 parts;
wood fiber: 3-8 parts;
terpene resin: 1.2 to 3.5 portions.
6. The cultivation process of garden seedlings according to claim 5, characterized by comprising the following steps: the weight portions of the fibrilia are 2.5 to 4, the wood fiber is 4 to 6, and the terpene resin is 1.5 to 2.5.
7. The cultivation process of garden seedlings according to claim 5, characterized by comprising the following steps: the planting nutrient solution also comprises 10-15 parts of ammonium bicarbonate.
8. The cultivation process of garden seedlings according to claim 5, characterized by comprising the following steps: the nitrification inhibitor is one of sulfathiazole, 4-amino-1, 2, 3-triazole hydrochloride and guanyl thiourea.
9. The cultivation process of garden seedlings according to claim 5, characterized by comprising the following steps: the softening point of the terpene resin is 90-130 ℃.
CN202110775277.1A 2021-07-07 2021-07-07 Cultivation process of garden flower seedlings Pending CN113317160A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100311905A1 (en) * 2008-02-01 2010-12-09 Roquette Freres Method for preparing thermoplastic compositions based on plasticized starch and resulting compositions
WO2014109252A1 (en) * 2013-01-11 2014-07-17 東洋ゴム工業株式会社 Artificial soil medium
WO2015097033A1 (en) * 2013-12-23 2015-07-02 Basf Se Polysaccharide hydrogels
CN109644760A (en) * 2018-12-27 2019-04-19 菏泽学院 A kind of garden landscape Plant technique method based on tree peony
CN110073887A (en) * 2019-06-05 2019-08-02 陇南师范高等专科学校 A method of improving Paeonia papaveracea seeding ratio

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