CN111386794A - Formula and processing method for non-heading Chinese cabbage seed pelleting - Google Patents
Formula and processing method for non-heading Chinese cabbage seed pelleting Download PDFInfo
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- CN111386794A CN111386794A CN202010364583.1A CN202010364583A CN111386794A CN 111386794 A CN111386794 A CN 111386794A CN 202010364583 A CN202010364583 A CN 202010364583A CN 111386794 A CN111386794 A CN 111386794A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/06—Coating or dressing seed
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D129/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/02—Homopolymers or copolymers of unsaturated alcohols
- C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
Abstract
The invention discloses a formula for pelleting non-heading Chinese cabbage seeds and a processing method thereof. The invention relates to a formula for pelleting non-heading Chinese cabbage seeds, which comprises the following components in part by weight: the adhesive is added in the form of 0.5-10% of adhesive aqueous solution by mass percent, and the mass volume ratio of the non-heading Chinese cabbage seeds to the inert filling material to the adhesive aqueous solution is (g: ml) 10: 30-60: 12-24. The formula and the processing method for pelleting the non-heading Chinese cabbage seeds provided by the invention have the advantages that the used materials are environment-friendly and economical, the pelleted seeds have high seed rate, single seed rate and purity, the pelleted seeds have high germination rate, the germination accelerating effect is achieved, the thinning and the final singling are reduced, the purposes of promoting the germination and the aligning of the seeds are achieved, and the processing method is simple and convenient.
Description
Technical Field
The invention relates to the technical field of agriculture, in particular to a formula for pelleting non-heading Chinese cabbage seeds and a processing method thereof.
Background
The seed pelleting is an agricultural high-tech technology suitable for fine sowing requirements, and is characterized in that a layer of thicker coating filling material is coated on the surfaces of small-sized seeds or seeds with irregular surfaces (such as flat shape, awn shape, thorns and the like) through a seed pelleting machine and a coating technology, and seed particles with certain size and strength are formed on the basis of not changing the biological characteristics of the original seeds, so that the quality and the volume of the seeds are increased, and the mechanical sowing is facilitated. The pelleting coating fill material is typically one to several times the mass of the seed. The method is mainly applied to small-sized seeds such as rape, tobacco, beet, pasture, sesame, vegetables and the like. The size and shape of the seeds after pelleting treatment are obviously changed, so that the difficulty of precision seeding of the seeds is reduced, and conditions are created, thereby achieving the purpose of saving a large amount of seeds. Meanwhile, the seeds can obtain sufficient nutrients required by growth in the germination and seedling stages, and germs outside the seed surface can be killed, so that the attack of plant diseases and insect pests is effectively prevented, plant protection before sowing and field sowing with fertilizer are realized, and the purposes of seedling protection, seedling strengthening, yield increase and income increase are achieved. The seed pelleting coating is a necessary condition for realizing the precision seeding of the vegetable seeds.
Non-heading Chinese cabbage (Brassica ssp. chinensis) belongs to Brassicaceae Brassica subsp., commonly called as pakchoi, green vegetable, rape and the like, has been cultivated in China for thousands of years, and is one of the main vegetable varieties particularly in the middle and lower reaches of Yangtze river. In recent years, not only the north of China is greatly introduced and cultivated, but also some countries of Japan, America and Europe are widely introduced, and the non-heading Chinese cabbage has gradually become a worldwide vegetable. The non-heading Chinese cabbage is mostly cultivated by direct seeding, and the emergence rate of seeds has direct influence on the yield and quality of the non-heading Chinese cabbage. With the continuous improvement of the vegetable production level in China, large-scale, mechanical and labor-saving precision cultivation is the development direction of non-heading Chinese cabbage cultivation in the future. The precision cultivation has high requirements on the quality of seeds. However, the non-heading Chinese cabbage has small and light seeds, is difficult to mechanically precision sow, and has the problems of low emergence rate, irregular emergence and poor seedling quality. The seed pelleting is an agricultural high-tech technology which is suitable for the requirement of fine sowing, and is a technology which utilizes mechanical processing to prepare seeds with uniform size, smooth surface and enlarged particles, can change the inherent shape and size of the seeds and can enhance the adaptability of the seeds. The pelletized seeds have fast and uniform seedling emergence, high seedling rate, strong stress resistance and high yield. There have been many domestic patent applications relating to seed pelleting technology, and patent number CN109121560A discloses a seed pelleting preparation for precision mechanical seeding and a preparation method; patent No. CN108055979A discloses a pelleting precision direct seeding method for processing tomato seeds; patent No. CN106856728A discloses a pelleted zoysia seed and a preparation method thereof; patent No. CN109042656A discloses a formulation for alfalfa seed pelleting and a preparation method thereof; patent No. CN101238821A discloses a flower particle seed pelleting formula and a processing method. However, the method disclosed in the above patent is not suitable for pelletization of non-heading Chinese cabbage seeds, and currently, there are few researches on pelletization of non-heading Chinese cabbage seeds, so that there is a need to provide a formulation and a processing method for pelletization of non-heading Chinese cabbage seeds to solve the above problems.
Disclosure of Invention
The invention provides a formula and a processing method for pelleting non-heading Chinese cabbage seeds, which can be suitable for pelleting non-heading Chinese cabbage seeds.
In a first aspect, the present invention provides a formulation for pelleting seeds of non-heading Chinese cabbage, comprising: non-heading Chinese cabbage seeds, a binder and an inert filler; the adhesive is added in the form of an adhesive aqueous solution with the mass percentage of 0.5-10%, and the mass volume ratio g: g: ml of the non-heading Chinese cabbage seeds, the inert filling material and the adhesive aqueous solution is 10: 30-60: 12-24.
Optionally, the inert filler is one or more of montmorillonite, talcum powder, kaolin, vermiculite powder, diatomite and attapulgite.
Optionally, the inert filler material is a mixture of kaolin and talc.
Optionally, the binder is one or more of methylcellulose, polyvinyl acid, polyvinyl alcohol, acacia, modified starch, gelatin, polysaccharide, chitosan, dextrin, carboxymethyl cellulose, and microcrystalline cellulose.
In a second aspect, the present invention provides a method for processing non-heading Chinese cabbage seeds in a pelleting manner, wherein the method comprises the following steps:
step one, selecting non-heading Chinese cabbage seeds to be pelletized;
crushing inert filling materials, wherein the inert filling materials comprise talcum powder and kaolin, and crushing the talcum powder and the kaolin into 800 meshes;
putting a certain amount of non-heading Chinese cabbage seeds into a pelleting coating machine with the rotating speed of 30rpm, adding an adhesive aqueous solution while adding an inert filling material, wherein the volume weight ratio ml to g of the non-heading Chinese cabbage seeds is 0.2:10, the weight ratio g to g of the inert filling material is 0.5:10, performing step three once every 15 seconds, and repeating the step three for 4 times;
step four, adding an adhesive aqueous solution into the non-heading Chinese cabbage seeds in the step three, wherein the weight ratio ml to g of the adhesive aqueous solution to the non-heading Chinese cabbage seeds is 0.4:10, simultaneously adding an inert filling material, the weight ratio g to g of the inert filling material to the non-heading Chinese cabbage seeds is 1:10, performing step four every 20 seconds, and repeating the step four for 18 times;
step five, adding an adhesive aqueous solution to the non-heading Chinese cabbage seeds in the step four, wherein the weight ratio ml to g of the adhesive aqueous solution to the non-heading Chinese cabbage seeds is 0.6:10, adding an inert filling material, the weight ratio g to g of the inert filling material to the non-heading Chinese cabbage seeds is 1.5:10, performing the step five every 25 seconds, and repeating the step five operation for 0-20 times;
step six, adding an adhesive aqueous solution to the non-heading Chinese cabbage seeds in the step five, wherein the weight ratio ml to g of the adhesive aqueous solution to the non-heading Chinese cabbage seeds is 0.8:10, simultaneously adding an inert filling material, the weight ratio g to g of the inert filling material to the non-heading Chinese cabbage seeds is 2:10, repeating the step six for 5 times every 30 seconds, taking out the pelletized non-heading Chinese cabbage seeds, drying, sealing and storing.
Optionally, in the third step to the sixth step, the aqueous solution of the adhesive is a polyvinyl alcohol solution, and the volume ratio of the polyvinyl alcohol to the water is 4: 100.
Optionally, in the fourth step and the fifth step, the inert filling material is a mixture of kaolin and talcum powder, the weight ratio of the kaolin to the talcum powder is 1: 0.25-4, and in the third step and the sixth step, the inert filling material is talcum powder.
The invention has the following beneficial effects: the formula and the processing method for pelleting the non-heading Chinese cabbage seeds provided by the invention have the advantages that the used materials are environment-friendly and economical, the pelleted seeds have high seed rate, single seed rate and purity, the pelleted seeds have high germination rate, the germination accelerating effect is achieved, the thinning and the final singling are reduced, the purposes of promoting the germination and the aligning of the seeds are achieved, and the processing method is simple and convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a flow chart of a method for processing non-heading Chinese cabbage seeds in a pellet form according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
The invention provides a formula for pelleting non-heading Chinese cabbage seeds, which comprises the following components: non-heading Chinese cabbage seeds, a binder and an inert filler. The adhesive is added in the form of 0.5-10% of adhesive aqueous solution by mass percentage, and the mass volume ratio g: g: ml of the non-heading Chinese cabbage seeds, the inert filling material and the adhesive aqueous solution is 10: 30-60: 12-24.
In this embodiment, the inert filler is one or more of montmorillonite, talc, kaolin, vermiculite powder, diatomaceous earth, and attapulgite. Further, the inert filler material may be a mixture of kaolin and talc.
In this embodiment, the binder is one or more of methylcellulose, polyvinyl acid, polyvinyl alcohol, gum arabic, modified starch, gelatin, polysaccharide, chitosan, dextrin, carboxymethyl cellulose, and microcrystalline cellulose.
Referring to fig. 1, a flow chart of a method for processing non-heading Chinese cabbage seeds in pellet form according to the present invention is shown, the method comprising the following steps:
step one, selecting the non-heading Chinese cabbage seeds to be pelletized.
And secondly, crushing inert filling materials, wherein the inert filling materials comprise talcum powder and kaolin, and the talcum powder and the kaolin are crushed to 800 meshes.
Putting a certain amount of the non-heading Chinese cabbage seeds into a pelleting coating machine with the rotating speed of 30rpm, adding an adhesive aqueous solution while adding an inert filling material, wherein the volume-to-weight ratio ml of the adhesive aqueous solution to the non-heading Chinese cabbage seeds is 0.2:10, and the weight-to-weight ratio g of the inert filling material to the non-heading Chinese cabbage seeds is 0.5:10, performing step three once every 15 seconds, and repeating the step three for 4 times.
Step four, adding an adhesive aqueous solution into the non-heading Chinese cabbage seeds in the step three, wherein the weight ratio ml to g of the adhesive aqueous solution to the non-heading Chinese cabbage seeds is 0.4:10, simultaneously adding an inert filling material, the weight ratio g to g of the inert filling material to the non-heading Chinese cabbage seeds is 1:10, performing step four once every 20 seconds, and repeating the step four for 18 times.
And step five, adding an adhesive aqueous solution to the non-heading Chinese cabbage seeds in the step four, wherein the weight ratio ml to g of the adhesive aqueous solution to the non-heading Chinese cabbage seeds is 0.6:10, simultaneously adding an inert filling material, the weight ratio g to g of the inert filling material to the non-heading Chinese cabbage seeds is 1.5:10, performing the step five once every 25 seconds, and repeating the step five for 0-20 times.
Step six, adding an adhesive aqueous solution to the non-heading Chinese cabbage seeds in the step five, wherein the weight ratio ml to g of the adhesive aqueous solution to the non-heading Chinese cabbage seeds is 0.8:10, simultaneously adding an inert filling material, the weight ratio g to g of the inert filling material to the non-heading Chinese cabbage seeds is 2:10, repeating the step six for 5 times every 30 seconds, taking out the pelletized non-heading Chinese cabbage seeds, drying, sealing and storing.
In the third step and the sixth step, the aqueous solution of the adhesive is polyvinyl alcohol solution, and the volume ratio of the polyvinyl alcohol to the water is 4: 100. In the fourth step and the fifth step, the inert filling materials are mixtures of kaolin and talcum powder, the weight ratio of the kaolin to the talcum powder is 1: 0.25-4, and in the third step and the sixth step, the inert filling materials are all talcum powder.
The above method is described in detail below with reference to two specific examples:
example one
(1) Selecting the non-heading Chinese cabbage seeds to be pelletized.
(2) The talcum powder is crushed to 800 meshes, and the kaolin is crushed to 800 meshes.
(3) The prepared adhesive aqueous solution is polyvinyl alcohol solution, and the ratio of the prepared adhesive aqueous solution to water is 4: 100.
(4) 10g of the seeds are put into a pelleting coating machine with the rotating speed of 30rpm, 0.2ml of adhesive aqueous solution is added at one time, 0.5g of talcum powder is added at the same time, the operation is carried out once every 15 seconds, and the operation is repeated for 4 times.
(5) And (3) adding an adhesive aqueous solution into the seeds obtained in the step (4) once, wherein the dosage is 0.4ml, and simultaneously adding a mixture of talcum powder and kaolin according to the weight ratio of 1:1 in an amount of 1g, at 20-second intervals, and the above operation was repeated 18 times.
(6) And (3) adding an adhesive aqueous solution into the seeds in the step (5) at one side, wherein the dosage is 0.8ml, adding 2g of talcum powder at the same time, repeating the operation for 5 times at intervals of 30 seconds, taking the pelleted seeds out, drying, and sealing for storage after pelleting.
Example two
(1) Selecting the non-heading Chinese cabbage seeds to be pelletized.
(2) The talcum powder is crushed to 800 meshes, and the kaolin is crushed to 800 meshes.
(3) The prepared adhesive aqueous solution is polyvinyl alcohol solution, and the ratio of the prepared adhesive aqueous solution to water is 4: 100;
(4) 10g of the seeds are put into a pelleting coating machine with the rotating speed of 30rpm, 0.2ml of adhesive aqueous solution is added at one time, 0.5g of talcum powder is added at the same time, the operation is carried out once every 15 seconds, and the operation is repeated for 4 times.
(5) And (3) adding an adhesive aqueous solution into the seeds obtained in the step (4) once, wherein the dosage is 0.4ml, and simultaneously adding a mixture of talcum powder and kaolin according to the weight ratio of 1:1 in an amount of 1g, at 20-second intervals, and the above operation was repeated 18 times.
(6) And (3) adding an adhesive aqueous solution into the seeds obtained in the step (5) once, wherein the dosage is 0.6ml, and simultaneously adding a mixture of talcum powder and kaolin according to the weight ratio of 1:1 in an amount of 1.5g, every 25 seconds, and the above operation was repeated 20 times.
(7) And (4) adding an adhesive aqueous solution into the seeds in the step (6) at one side, wherein the dosage is 0.8ml, adding 2g of talcum powder at the same time, repeating the operation for 5 times at intervals of 30 seconds, taking out the pelleted seeds after pelleting, drying, and sealing for storage.
The following germination tests were carried out using seeds obtained by the method of the invention:
1. seed germination test:
the seeds were transferred to corresponding 90mm petri dishes, 50 particles were placed in each treatment, and each treatment was repeated 6 times, and incubated at room temperature, keeping the filter paper moist.
2. Determination of germination index
And (4) measuring two germination indexes of the germination vigor and the germination rate of the seeds. The calculation method of each index is as follows:
seed germination (%) — number of germinated seeds at initial stage (day 3)/number of test seeds × 100%.
The germination rate (%) of the seeds was 100% of the number of germinated seeds/test seeds at the final stage (day 7).
3. Results and analysis
The germination tests were carried out according to the method mentioned in 1 for the first and second examples and the naked seed, and the results of the tests were recorded as shown in table 1.
TABLE 1 Effect of pelleting treatment on seed Germination
Note: different lower case letters in the same column represent significant differences p <0.05 in the mean value.
As can be seen from the above table, after the non-heading Chinese cabbage seeds are treated by the method of the present invention, the germination vigor and the germination rate are both improved to a certain extent, and the pelletization treatment of the non-heading Chinese cabbage seeds is performed, so that not only can the pelletization rate be selected as required, but also the seed germination time can be significantly shortened, the germination accelerating effect is achieved, and the pelletization rate of the non-heading Chinese cabbage seeds is 3-6 times.
In conclusion, the invention provides a formula and a processing method for non-heading Chinese cabbage seed pelleting, and the concentration of a binding agent is optimized. The invention improves the germination vigor and the germination rate of the non-heading Chinese cabbage seeds and enhances the seed vitality. The binder is preferably a polyvinyl alcohol solution, which is present in a volume ratio of 4:100 to water. The inert filling material is preferably a mixture of kaolin and talcum powder, and the weight ratio of the kaolin to the talcum powder is 1: 0.25-4. The formula and the processing method for pelleting the non-heading Chinese cabbage seeds provided by the invention have the advantages that the used materials are environment-friendly and economical, the pelleted seeds have high seed rate, single seed rate and purity, the pelleted seeds have high germination rate, the germination accelerating effect is achieved, the thinning and the final singling are reduced, the purposes of promoting the germination and the seedling alignment of the seeds are achieved, and the processing method is simple and convenient.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The formula for pelleting the non-heading Chinese cabbage seeds is characterized by comprising the following components in parts by weight: non-heading Chinese cabbage seeds, a binder and an inert filler; the adhesive is added in the form of an adhesive aqueous solution with the mass percentage of 0.5-10%, and the mass volume ratio g: g: ml of the non-heading Chinese cabbage seeds, the inert filling material and the adhesive aqueous solution is 10: 30-60: 12-24.
2. The formulation for pelletization of non-heading cabbage seed of claim 1 wherein the inert filler is one or more of montmorillonite, saponite, kaolinite, terra cotta, vermiculite powder, diatomaceous earth, and attapulgite.
3. The formulation for non-heading cabbage seed pelleting of claim 2 wherein the inert filler material is a mixture of kaolin and talc.
4. The formulation for pelletization of non-heading cabbage seed of claim 1 wherein the binder is one or more of methylcellulose, polyvinyl acid, polyvinyl alcohol, gum arabic, modified starch, gelatin, polysaccharide, chitosan, dextrin, carboxymethylcellulose, microcrystalline cellulose.
5. A non-heading Chinese cabbage seed pelleting processing method is characterized by comprising the following steps:
step one, selecting non-heading Chinese cabbage seeds to be pelletized;
crushing inert filling materials, wherein the inert filling materials comprise talcum powder and kaolin, and crushing the talcum powder and the kaolin into 800 meshes;
putting a certain amount of non-heading Chinese cabbage seeds into a pelleting coating machine with the rotating speed of 30rpm, adding an adhesive aqueous solution while adding an inert filling material, wherein the volume weight ratio ml to g of the non-heading Chinese cabbage seeds is 0.2:10, the weight ratio g to g of the inert filling material is 0.5:10, performing step three once every 15 seconds, and repeating the step three for 4 times;
step four, adding an adhesive aqueous solution into the non-heading Chinese cabbage seeds in the step three, wherein the weight ratio ml to g of the adhesive aqueous solution to the non-heading Chinese cabbage seeds is 0.4:10, simultaneously adding an inert filling material, the weight ratio g to g of the inert filling material to the non-heading Chinese cabbage seeds is 1:10, performing step four every 20 seconds, and repeating the step four for 18 times;
step five, adding an adhesive aqueous solution to the non-heading Chinese cabbage seeds in the step four, wherein the weight ratio ml to g of the adhesive aqueous solution to the non-heading Chinese cabbage seeds is 0.6:10, adding an inert filling material, the weight ratio g to g of the inert filling material to the non-heading Chinese cabbage seeds is 1.5:10, performing the step five every 25 seconds, and repeating the step five operation for 0-20 times;
step six, adding an adhesive aqueous solution to the non-heading Chinese cabbage seeds in the step five, wherein the weight ratio ml to g of the adhesive aqueous solution to the non-heading Chinese cabbage seeds is 0.8:10, simultaneously adding an inert filling material, the weight ratio g to g of the inert filling material to the non-heading Chinese cabbage seeds is 2:10, repeating the step six for 5 times every 30 seconds, taking out the pelletized non-heading Chinese cabbage seeds, drying, sealing and storing.
6. The method for pelletising the seeds of non-heading Chinese cabbage as claimed in claim 5, wherein in the third step and the sixth step, the aqueous solution of the binder is polyvinyl alcohol solution, and the volume ratio of the polyvinyl alcohol to the water is 4: 100.
7. The non-heading Chinese cabbage seed pelleting processing method according to claim 5, wherein in the fourth step and the fifth step, the inert filling materials are both mixtures of kaolin and talcum powder, the weight ratio of the kaolin to the talcum powder is 1: 0.25-4, and in the third step and the sixth step, the inert filling materials are both talcum powder.
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| CN113079746A (en) * | 2021-05-19 | 2021-07-09 | 南京农业大学 | Pelleting formula and processing method of seeds of brassica rapa pekinensis |
| CN113632616A (en) * | 2021-08-20 | 2021-11-12 | 江苏农牧科技职业学院 | Pelleting formula and processing method of isatis tinctoria seeds |
| CN114793541A (en) * | 2022-04-20 | 2022-07-29 | 中国农业科学院蔬菜花卉研究所 | Formula and method for pelleting seeds for resisting clubroot of green-stem cabbages |
| CN114982421A (en) * | 2022-05-25 | 2022-09-02 | 宁夏大学 | Preparation method of standardized white radish pills |
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Application publication date: 20200710 |