CN113292383A - Preparation technology of special fertilizer for high yield of phyllostachys pracecox shoots - Google Patents
Preparation technology of special fertilizer for high yield of phyllostachys pracecox shoots Download PDFInfo
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- CN113292383A CN113292383A CN202110752908.8A CN202110752908A CN113292383A CN 113292383 A CN113292383 A CN 113292383A CN 202110752908 A CN202110752908 A CN 202110752908A CN 113292383 A CN113292383 A CN 113292383A
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- Prior art keywords
- fertilizer
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- slow release
- high yield
- phyllostachys pracecox
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a preparation technology of a special fertilizer for high yield of phyllostachys pracecox shoots, which is characterized in that a mixture of chitosan, alginic acid, glycerol and sorbitol is coated outside base material particles to form a slow release coating, so that the slow release effect of the fertilizer in summer can be prolonged, phyllostachys pracecox shoots are not easy to burn roots when being applied in summer, the yield of phyllostachys pracecox shoots is higher when the fertilizer is applied, meanwhile, the chitosan, alginic acid, glycerol and sorbitol are mixed with citric acid and then sprayed on the surfaces of the base material particles for multiple times, and a uniform and compact slow release coating is formed on the surfaces of the base material particles, so that the slow release and heat-resistant effects are better, the slow release coating is reshaped by calcium gluconate outside the slow release coating, the calcium element in the fertilizer is supplemented while the slow release and heat-resistant effects are increased, and the yield of the phyllostachys pracecox shoots is higher.
Description
Technical Field
The invention relates to the technical field of planting of phyllostachys pracecox shoots, in particular to a preparation technology of a fertilizer special for high yield of phyllostachys pracecox shoots.
Background
The Phyllostachys praecox C.D.Chu et C.S.Chao' Prevernalis belongs to the middle-small-sized scattered bamboo species, is introduced and cultivated in Zhejiang, Jiangsu, Jiangxi, Fujian, Hunan and other provinces, has the characteristics of early bamboo shoot emergence, long bamboo shoot period, delicious bamboo shoot, rich nutritional value, good economic benefit and the like, and is an excellent bamboo species for bamboo shoots.
However, the existing phyllostachys praecox fertilizer can not obviously improve the yield of phyllostachys praecox, has poor heat preservation effect in winter, and needs a small amount of multiple fertilization in summer due to poor heat resistance effect of the existing fertilizer, so as to avoid root rot or insufficient nutrition, and has trouble in application, and also often needs manual accurate proportioning, thus increasing the labor and time cost.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a preparation technology of a fertilizer special for high yield of phyllostachys pracecox shoots.
In order to solve the technical problems, the invention adopts the following technical scheme,
the preparation technology of the special fertilizer for high yield of the phyllostachys pracecox shoots comprises the following components of 20-30% of slow release fertilizer particles and the balance of base fertilizer, wherein the slow release fertilizer particles comprise base material particles and a slow release coating for coating the base material particles, and the preparation method comprises the following steps:
s1, putting 1-3 parts of chitosan and 1-2 parts of alginic acid into 20-40 parts of 2% citric acid, adding a mixture of 1-2 parts of sorbitol and 3-5 parts of glycerol, and magnetically stirring for 30-50min to obtain a mixed solution;
s2, spraying the mixed solution on the surface of the base material particles, standing for 2-5 hours, spraying a second layer of mixed solution, standing for 2-5 hours, and finally coating the base material particles with the coating amount of 25-30 parts of slow release coating by 100 parts of effective coating amount to obtain a first treatment material;
s3, spraying a layer of 3-5% calcium gluconate solution on the outer surface of the first treatment material, and standing at the temperature of-5 ℃ for 2-4 hours to obtain slow release fertilizer granules;
and S4, mixing the slow-release fertilizer particles with a base fertilizer to obtain the high-yield special fertilizer for the phyllostachys pracecox shoots.
Preferably, the curing agent is one of sodium tripolyphosphate, calcium chloride, sodium alginate and sodium citrate.
Preferably, the base particles are made from the following components:
preferably, the base material particles also comprise the following components:
0.1-2.5 parts of magnesium oxide;
0.3-1.1 parts of zinc sulfate additive.
Preferably, the preparation method of the choline chloride-loaded carrier powder comprises the following steps:
mixing the straw powder and a choline chloride aqueous solution in a vacuum environment, standing for 7-9 h, heating to a semi-dry state at 70-120 ℃, and drying in a roller dryer at 35-45 ℃ to obtain the choline chloride-loaded carrier powder.
Preferably, the amino acid additive is one or more of methionine, tryptophan, lysine, phenylalanine, tyrosine and valine.
Preferably, the mixed hormone is the combination of DOM and any one or more of HCG, PG and LRH-A.
Preferably, the base fertilizer comprises the following components:
compared with the prior art, the invention has the advantages that:
1. the slow-release coating formed by coating the mixture of chitosan, alginic acid, glycerol and sorbitol outside the base material particles can prolong the slow-release effect of the fertilizer in summer, the bamboo shoots are not easy to burn roots when the fertilizer is applied in summer, and the bamboo shoot yield of the bamboo shoots is higher when the fertilizer is applied;
2. the citric acid mixed chitosan, the alginic acid, the glycerol and the sorbitol are sprayed on the surface of the base material particles for multiple times, and the uniform and compact slow release coating is formed on the surface of the base material particles, so that the slow release and heat-resistant effects are better, the slow release coating is reshaped by the calcium gluconate outside the slow release coating, the calcium element in the fertilizer is supplemented while the slow release effect and the heat-resistant effect are increased, and the yield of the phyllostachys praecox is higher.
Detailed Description
The invention is further described in the following description and specific examples, but the scope of the invention is not limited thereby.
Example 1
A preparation technology of a special fertilizer for high yield of phyllostachys pracecox shoots comprises 25% of slow release fertilizer particles and the balance of base fertilizer, wherein the slow release fertilizer particles comprise base material particles and a slow release coating for coating the base material particles, and the preparation method comprises the following steps:
s1, putting 2 parts of chitosan and 1.5 parts of alginic acid into 30 parts of 2% citric acid, adding a mixture of 1.5 parts of sorbitol and 3 parts of glycerol, and magnetically stirring for 50min to obtain a mixed solution;
s2, spraying the mixed solution on the surface of the base material particles, standing for 3 hours, spraying a second layer of mixed solution, standing for 3 hours in the same way, and obtaining a first treatment material, wherein the final coating amount is calculated according to the effective coating amount of 100 parts of base material particles coated by 26 parts of slow release coating;
s3, spraying a layer of 4% calcium gluconate solution on the outer surface of the first treatment material, and standing at 0 ℃ for 3 hours to obtain slow release fertilizer particles;
s4, mixing the slow release fertilizer particles with a base fertilizer to obtain the high-yield special fertilizer for the phyllostachys pracecox shoots;
in this example, the curing agent is sodium alginate;
the base material particles are prepared from the following components:
the base fertilizer is prepared from the following components:
comparative example 1
Unlike example 1, in step S1, 2 parts of chitosan and 1.5 parts of alginic acid were added to 30 parts of 2% glacial acetic acid, and a mixture of 1.5 parts of sorbitol and 3 parts of glycerin was added thereto, followed by magnetic stirring for 50min to obtain a mixed solution.
Comparative example 2
2 parts of chitosan and 1.5 parts of alginic acid are put into 30 parts of 2% citric acid, and then a mixture of 1.5 parts of sorbitol and 3 parts of glycerol is added, and magnetic stirring is carried out for 50min to obtain a mixed solution.
Comparative example 3
Different from the embodiment 1, in the step S3, a layer of 3-5% calcium chloride solution is sprayed on the first treatment material, and then the first treatment material is allowed to stand at-5 to 5 ℃ for 2 to 4 hours to obtain the slow release fertilizer particles.
Comparative example 4
Different from the embodiment 1, the base fertilizer is prepared from the following components:
comparative example 5
Different from the embodiment 1, the base fertilizer is prepared from the following components:
comparative example 6
Different from the embodiment 1, the base fertilizer is prepared from the following components:
example 2:
unlike example 1, the base granules in this example were made from the following ingredients:
example 3
Unlike example 1, the base granules in this example were made from the following ingredients:
example 4
Unlike example 1, the base granules in this example were made from the following ingredients:
example 5
Unlike example 1, the base granules in this example were made from the following ingredients:
comparative example 6
Different from example 1, the fertilizing main body was replaced by yellow sweet bamboo.
The fertilizers prepared by the methods of comparative examples 1 to 5 and examples 1 to 5 are respectively used for planting phyllostachys praecox and phyllostachys bambusoides of comparative example 6, and the yield increase rate and the average weight increase rate of bamboo shoots are respectively measured, and the specific results are shown in table 1:
TABLE 1
| Increase rate of shoot number | Average bamboo shoot weight increase rate | |
| Comparative example 1 | 25.3％ | 4.1％ |
| Comparative example 2 | 21.4％ | 4.0％ |
| Comparative example 3 | 23.5％ | 4.3％ |
| Comparative example 4 | 22.1％ | 3.5％ |
| Comparative example 5 | 21.4％ | 3.4％ |
| Comparative example 6 | 20.2％ | 2.1％ |
| Example 1 | 30.6％ | 7.3％ |
| Example 2 | 26.1％ | 5.1％ |
| Example 3 | 27.3％ | 5.4％ |
| Example 4 | 11.2％ | 3.1％ |
| Example 5 | 25.6％ | 4.6％ |
| Comparative example 7 | 13.2％ | 3.4％ |
The fertilizers prepared by the preparation methods of comparative examples 1 to 3, comparative example 5 and example 1 were subjected to a slow release test at 50 ℃ and the specific results are shown in table 2:
TABLE 2
Referring to tables 1-2, and contents of the above comparative examples and examples, comparing example 1 with comparative example 1-3, it can be seen that the rate of bamboo shoots formed by using chitosan, alginic acid, sorbitol, glycerol and citric acid to react and spraying calcium gluconate is the best, the highest average weight of bamboo shoots is the best, and the slow-release effect of the prepared slow-release coating is the best;
comparing example 1 with comparative examples 4-6, it can be seen that the base fertilizer uses rice husk charcoal, pumice, coarse coconut shell, fermented pine needles and peat to have the best effect on the yield of bamboo shoots, the bamboo shoot yield is the highest, the average bamboo shoot weight is the best, and the rice husk charcoal content is not easily higher than 5%, is higher than 5%, and even has more negative effects on the slow release performance of the fertilizer;
comparing example 1 with examples 2 to 5, it is known that the yield and the weight of bamboo shoots are better than other nitrogen, phosphorus and potassium fertilizers by using humic acid, sodium nitrate, bone meal, potassium carbonate, magnesium oxide and zinc sulfate additives as base materials;
comparing example 1 with comparative example 7, it can be seen that the fertilizer prepared by the invention has the best effect of promoting bamboo shoot of phyllostachys praecox and the best effect of improving the quality of bamboo shoot, and no obvious effect is seen when the fertilizer is used for yellow sweet bamboo which is bamboo for bamboo shoot;
as can be seen from the above, in example 1, compared with other examples and comparative examples, the yield of bamboo shoots of phyllostachys praecox is improved most, the quality of the bamboo shoots is improved best, and the summer slow-release performance of the fertilizer of example 1 is best, so that example 1 is considered as the most preferred example of the present invention.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. All technical schemes belonging to the idea of the invention belong to the protection scope of the invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention, and such modifications and embellishments should also be considered as within the scope of the invention.
Claims (8)
1. The preparation technology of the special fertilizer for high yield of the phyllostachys pracecox shoots is characterized in that the special fertilizer comprises 20-30% of slow release fertilizer particles and the balance of base fertilizer, wherein the slow release fertilizer particles comprise base material particles and a slow release coating for coating the base material particles, and the preparation method comprises the following steps:
s1, putting 1-3 parts of chitosan and 1-2 parts of alginic acid into 20-40 parts of 2% citric acid, adding a mixture of 1-2 parts of sorbitol and 3-5 parts of glycerol, and magnetically stirring for 30-50min to obtain a mixed solution;
s2, spraying the mixed solution on the surface of the base material particles, standing for 2-5 hours, spraying a second layer of mixed solution, standing for 2-5 hours, and finally coating the base material particles with the coating amount of 25-30 parts of slow release coating by 100 parts of effective coating amount to obtain a first treatment material;
s3, spraying a layer of 3-5% calcium gluconate solution on the outer surface of the first treatment material, and standing at the temperature of-5 ℃ for 2-4 hours to obtain slow release fertilizer granules;
and S4, mixing the slow-release fertilizer particles with a base fertilizer to obtain the high-yield special fertilizer for the phyllostachys pracecox shoots.
2. The preparation technology of the special fertilizer for high yield of the phyllostachys pracecox shoots as claimed in claim 1, which is characterized in that: the curing agent is one of sodium tripolyphosphate, calcium chloride, sodium alginate and sodium citrate.
3. The preparation technology of the special fertilizer for high yield of the phyllostachys pracecox shoots as claimed in claim 1, wherein the base material particles are prepared from the following components:
4. the preparation technology of the special fertilizer for high yield of the phyllostachys pracecox shoots as claimed in claim 1, wherein the base material particles further comprise the following components:
0.1-2.5 parts of magnesium oxide;
0.3-1.1 parts of zinc sulfate additive.
5. The preparation technology of the special fertilizer for high yield of the phyllostachys pracecox shoots as claimed in any one of claims 3 to 4, which is characterized in that: the potash fertilizer is one or a combination of potassium carbonate, potassium chloride and potassium phosphate.
6. The technique for preparing the fertilizer special for the high yield of the phyllostachys pracecox shoots as claimed in any one of claims 3 to 4, wherein the nitrogen fertilizer is one or more of sodium nitrate, urea, ammonium sulfate and ammonium bicarbonate.
7. The preparation technology of the special fertilizer for high yield of the phyllostachys pracecox shoots as claimed in any one of claims 3 to 4, which is characterized in that: the phosphate fertilizer is one or more of calcium phosphate, ammonium phosphate, calcium metaphosphate, phosphorus nitrate, ground phosphate rock and bone meal.
8. The preparation technology of the special fertilizer for high yield of the phyllostachys pracecox shoots as claimed in claim 1, wherein the base fertilizer comprises the following components:
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