CN112159268B - Pelleting composition and pelleting method for German chamomile seeds - Google Patents
Pelleting composition and pelleting method for German chamomile seeds Download PDFInfo
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- CN112159268B CN112159268B CN202010998685.9A CN202010998685A CN112159268B CN 112159268 B CN112159268 B CN 112159268B CN 202010998685 A CN202010998685 A CN 202010998685A CN 112159268 B CN112159268 B CN 112159268B
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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
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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
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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
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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
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
Abstract
The invention discloses a pelleting composition and a pelleting method of German chamomile seeds. The pelleted composition of the German chamomile seeds comprises a filler, a water-absorbing resin, a binder, a disintegrating agent, a bactericide and a fertilizer. The processing method for the German chamomile seed pelleting comprises the following steps: treating German chamomile seeds; spraying; coating; screening; drying to obtain the German chamomile pelleted seed. The invention effectively increases the grain diameter of the German chamomile seeds, and is convenient for mechanical sowing; the adopted adhesive is added in the form of 0.5-2.0% by mass of adhesive aqueous solution, and the adhesive aqueous solution can not only adhere other components on the surface of the seeds, but also effectively promote the growth of the seeds after germination; the adopted bactericide is thymol, which is added in the form of 0.1-0.5% thymol aqueous solution, and the plant source bactericide is used for replacing the traditional bactericide, so that the soil pollution is avoided. The aqueous solution is water extract of aerial part dry powder of German flos Chrysanthemi, Hyssopus officinalis and folium Artemisiae Argyi.
Description
Technical Field
The invention belongs to the technical field of seed pelleting, and particularly relates to a German chamomile seed pelleting composition and a pelleting method thereof.
Background
The seed pelleting is to utilize an adhesive to adhere pesticides, bactericides, fertilizers, plant growth regulators, fillers and the like on the surface of seeds and process the seeds into spherical single seeds without obvious difference in size and shape. The method is mainly used for small-sized seeds of vegetables, rapes, tobaccos, beet and the like. The particle size of the small-sized seeds is obviously increased after the small-sized seeds are coated by pelleting, so that the sowing performance is improved, and the mechanical sowing is easier to realize. After the small-sized seeds are subjected to pelleting treatment, a micro active substance library without activity is formed at the periphery of the seeds. The seeded pelleting agent absorbs water to expand and form cracks, and the active ingredients are slowly contacted with seeds and surrounding soil through the cracks, so that the active ingredients can better participate in the growth process of the plants in the seedling stage. Because the release of the active substance is a slow process, the active substance cannot be greatly lost in a short time due to leaching or dissolving action, and the toxic action cannot be formed due to instant accumulation of pesticide and nutrient.
Thymol is the secondary metabolite of aromatic plants such as thyme and origanum vulgaris, and has antibacterial, insecticidal, and antioxidant effects. Has wide application value in the fields of food and medicine. Thymol is used as a plant source insecticide and bactericide and is added into a seed pelleting technology, and the current reports are fresh. The thymol plays a barrier role on the surface layer of the seeds, destroys the living environment of peripheral pests and achieves the effects of preventing germs, underground pests and the like. Fungicide such as carbofuran, captan and the like is a common pesticide type in agricultural production, but the fungicide can cause toxic action of the pill coating agent to different degrees on seeds in the processes of processing, manufacturing, storing, using and the like. And the research and development and application of the plant source control agent can reduce or avoid the negative effects of chemical pesticides to a great extent.
German chamomile: belonging to Compositae Matricaria, and annual or biennial herb. The leaves and flowers have apple fragrance, slightly bitter taste, sweet fragrance, open fire, and liver fire clearing away effects, and can be used for treating insomnia, strengthening liver and gallbladder function, improving anemia, relieving migraine, treating sensitive skin, and regulating respiratory system. The dried flower or powder can be directly used as medicine or made into herbal tea, and the essential oil can be widely used in perfume, various daily chemical products, aromatherapy and food industry. Most of German chamomile is cultivated by direct sowing with mixed sand or seedling raising in a greenhouse, and the phenomenon of multiple grains in one hole and no grains in multiple holes is easily caused because the seeds are fine and light, and the problems of irregular seedling emergence, poor seedling quality, poor stress resistance and the like exist. In order to promote the mechanized precision sowing mode of the German chamomile as soon as possible, the development of a pelleting technology of the German chamomile seeds is urgently needed, and meanwhile, a fertilizer, a bactericide, an insecticide and a growth promoter are added. The pelletized seeds are sown in one hole quantitatively, and have neat seedling emergence, strong seedling stage and strong stress resistance.
At present, no report of a formula and a processing method for pelleting german chamomile seeds exists, so that the research of the formula and the processing method for pelleting the german chamomile seeds can effectively solve the problem of mechanical seeding of the seeds, effectively control plant diseases and insect pests in the growth process of the german chamomile, reduce the use of chemical pesticides and improve the yield.
Disclosure of Invention
In order to solve the above problems, the present invention provides a German chamomile seed pelleting composition and a pelleting method thereof. The pelletized seeds are sown in one hole quantitatively, and have neat seedling emergence, strong seedling stage and strong stress resistance.
First, the present invention provides a pelleted composition of seeds of german chamomile, comprising a filler, a water-absorbent resin, a binder, a disintegrating agent, a bactericide and a fertilizer.
Wherein the mass volume ratio g of the filler, the water-absorbing resin, the adhesive, the disintegrating agent, the bactericide and the fertilizer is (30-45) g: 10-15 (15-20) g: 10-20 (10-15) g: 5-10 g: ml: ml: ml.
Wherein, the filler is preferably one or more of turf, diatomite, attapulgite, sepiolite, ridge soil, modified starch and vermiculite.
Wherein the adhesive is one or more of starch, gelatin, polysaccharide, acacia, microcrystalline cellulose and methyl cellulose, and is added in the form of 0.5-2.0% by mass of aqueous solution of adhesive, and the aqueous solution is water extract of dried aerial parts of German chamomile, hyssop and tanacetum vulgare.
Wherein the disintegrating agent is one or more of sodium carboxymethyl starch, cross-linked PVP and cross-linked CMSNa.
Wherein the bactericide is thymol, and is added in the form of 0.1-0.5% thymol aqueous solution by mass, and the aqueous solution is water extract of aerial part dry powder of German chamomile, hyssop and tanacetum vulgare.
Wherein the water extracts of the above-ground dry powders of chamomile, hyssop and tanacetum parthenium were prepared according to the method of CN 201711348558.9.
Secondly, the invention provides a pelleting method of German chamomile seeds, which is characterized by comprising the following steps:
1) treating German chamomile seeds: winnowing and sieving German chamomile seeds, selecting seeds with the germination rate of more than 85 percent, and sterilizing;
2) spraying: uniformly spraying an adhesive aqueous solution on the surface of the German chamomile seed;
3) coating: mixing the filler, the water-absorbent resin, the disintegrating agent, the bactericide and the fertilizer with the German chamomile seeds with the surface being the adhesive water solution for coating, wherein the cladding multiple is 50-60 times;
4) screening: grading and screening the pelletized seeds to obtain the particles with the particle size of 1.8-2.0mm, and continuously repeating the steps of 2-3 when the screened particles are unqualified until all the particles are qualified;
5) drying: drying at 30-35 deg.C to obtain seed of German chamomile.
The invention effectively increases the grain diameter of the German chamomile seeds, and is convenient for mechanical sowing; the adopted adhesive is added in the form of adhesive aqueous solution with the mass percentage of 0.5-2.0%, wherein the aqueous solution is water extract of the overground part dry powder of the German chamomile, the hyssop and the wormwood (patent application No. 201711348558.9), and the adhesive aqueous solution not only can adhere other components on the surface of the seeds, but also can effectively promote the growth of the seeds after germination; the adopted bactericide is thymol, and is added in the form of 0.1-0.5% thymol aqueous solution, the aqueous solution is water extract of aerial part dry powder of German chamomile, hyssop and tanacetum vulgare (patent application number 201711348558.9), and the traditional bactericide is replaced by a plant source bactericide, so that soil pollution is avoided; the adopted fertilizer is a nano compound fertilizer which is slowly released in soil, so that the nutrition required by the growth of plants is improved, the stress resistance is enhanced, the seedling rate of the German chamomile seeds is improved, and the yield is increased.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
The invention provides a pelleted chamomile seed, which comprises the following components: german chamomile seed, filler, water-absorbing resin, adhesive, disintegrating agent, bactericide and fertilizer.
(1) The filler is a mixture of turf and diatomite;
(2) the water-absorbing resin is a starch grafted acrylate polymerization cross-linked product and an acrylamide-acrylate copolymerization cross-linked product;
(3) the binder is acacia, which is added in the form of 0.5% by mass of aqueous binder solution, the aqueous solution is water extract of dried aerial parts of chamomile, hyssop and tanacetum parthenium (patent application No. 201711348558.9);
(4) the disintegrating agent is sodium carboxymethyl starch;
(5) the bactericide is thymol, and is added in the form of 0.1% thymol aqueous solution, wherein the aqueous solution is water extract of aerial parts dried powder of German flos Chrysanthemi, hyssop and folium Artemisiae Argyi (patent application No. 201711348558.9);
(6) the fertilizer is a nano compound fertilizer;
(7) the mass volume ratio g: ml: ml: ml: g of the filler, the water-absorbent resin, the adhesive, the disintegrating agent, the bactericide and the fertilizer is 35:10:20:15:10: 10;
(8) treating German chamomile seeds: winnowing and sieving German chamomile seeds, selecting seeds with the germination rate of more than 85 percent, and sterilizing;
(9) spraying: uniformly spraying an adhesive aqueous solution on the surface of the German chamomile seed;
(10) coating: mixing the pelleting formula with German chamomile seeds with the surface being the adhesive water solution for coating, wherein the cladding times are about 50-60 times;
(11) screening: grading and screening the pelletized seeds to obtain the particles with the particle size of 1.8-2.0mm, and continuously repeating the steps of 2-3 when the screened particles are unqualified until all the particles are qualified;
(12) drying: drying at 30-35 deg.C to obtain seed of German flos Chrysanthemi.
Example 2
(1) The filler is modified starch;
(2) the water-absorbing resin is a starch grafted acrylate polymerization cross-linked product and an acrylamide-acrylate copolymerization cross-linked product;
(3) the adhesive is gelatin which is added in the form of 2 percent by mass of adhesive aqueous solution, and the aqueous solution is water extract of the dried powder of the overground parts of German chamomile, hyssop and tanacetum parthenium (patent application No. 201711348558.9);
(4) the disintegrating agent is cross-linked PVP;
(5) the bactericide is thymol, and is added in the form of 0.1% thymol aqueous solution, which is water extract of aerial dried powder of German chamomile, hyssop and tanacetum vulgare (patent application No. 201711348558.9);
(6) the fertilizer is a nano compound fertilizer;
(7) the mass volume ratio g: ml: ml: ml: g of the filler, the water-absorbent resin, the adhesive, the disintegrating agent, the bactericide and the fertilizer is 45:10:15:10:15: 5;
(8) treating German chamomile seeds: winnowing and sieving German chamomile seeds, selecting seeds with the germination rate of more than 85 percent, and sterilizing;
(9) spraying: uniformly spraying an adhesive aqueous solution on the surface of the German chamomile seed;
(10) mixing: mixing the pelleting formula with German chamomile seeds with the surface being the adhesive water solution for coating, wherein the cladding times are about 50-60 times;
(11) screening: grading and screening the pelletized seeds to obtain the particles with the particle size of 1.8-2.0mm, and continuously repeating the steps of 2-3 when the screened particles are unqualified until all the particles are qualified;
(12) and (3) drying: drying at 30-35 deg.C to obtain seed of German chamomile.
Example 3
The invention provides a pelleted chamomile seed, which comprises the following components: german chamomile seed, filler, water-absorbing resin, adhesive, disintegrating agent, bactericide and fertilizer.
(1) The filler is a mixture of turf and diatomite;
(2) the water-absorbing resin is a starch grafted acrylate polymerization cross-linked product and an acrylamide-acrylate copolymerization cross-linked product;
(3) the adhesive is Arabic gum, which is added in the form of 0.5 percent adhesive aqueous solution by mass, and the aqueous solution is distilled water;
(4) the disintegrating agent is sodium carboxymethyl starch;
(5) the bactericide is thymol, and is added in the form of 0.1% thymol aqueous solution by mass, and the aqueous solution is distilled water;
(6) the fertilizer is a nano compound fertilizer;
(7) the mass volume ratio g: ml: ml: ml: g of the filler, the water-absorbent resin, the adhesive, the disintegrating agent, the bactericide and the fertilizer is 35:10:20:15:10: 10;
(8) treating German chamomile seeds: winnowing and sieving German chamomile seeds, selecting seeds with the germination rate of more than 85%, and disinfecting;
(9) spraying: uniformly spraying an adhesive aqueous solution on the surface of the German chamomile seed;
(10) coating: mixing the pelleting formula with German chamomile seeds with the surface being the adhesive water solution for coating, wherein the cladding times are about 50-60 times;
(11) screening: grading and screening the pelletized seeds to obtain granules with the particle size of 1.8-2.0mm, screening out unqualified granules, and repeating the steps of 2-3 continuously until all the unqualified granules are qualified;
(12) drying: drying at 30-35 deg.C to obtain seed of German chamomile.
Example 4
The invention provides a pelleted chamomile seed, which comprises the following components: german chamomile seed, filler, water-absorbing resin, adhesive, disintegrating agent, bactericide and fertilizer.
(1) The filler is a mixture of turf and diatomite;
(2) the water-absorbing resin is a starch grafted acrylate polymerization cross-linked product and an acrylamide-acrylate copolymerization cross-linked product;
(3) the adhesive is Arabic gum, which is added in the form of 0.5 percent adhesive aqueous solution by mass percent, and the aqueous solution is distilled water;
(4) the disintegrating agent is sodium carboxymethyl starch;
(5) the bactericide is 50% captan wettable powder;
(6) the fertilizer is a nano compound fertilizer;
(7) the mass volume ratio g: ml: ml: ml: g of the filler, the water-absorbent resin, the adhesive, the disintegrating agent, the bactericide and the fertilizer is 35:10:20:15:10: 10;
(8) treating German chamomile seeds: winnowing and sieving German chamomile seeds, selecting seeds with the germination rate of more than 85 percent, and sterilizing;
(9) spraying: uniformly spraying an adhesive aqueous solution on the surface of the German chamomile seed;
(10) coating: mixing the pelleting formula with German chamomile seeds with the surface being the adhesive water solution for coating, wherein the cladding times are about 50-60 times;
(11) screening: grading and screening the pelletized seeds to obtain granules with the particle size of 1.8-2.0mm, screening out unqualified granules, and repeating the steps of 2-3 continuously until all the unqualified granules are qualified;
(12) drying: drying at 30-35 deg.C to obtain seed of German chamomile.
Example 5 formula and processing method for pelleting german chamomile seeds
The invention provides a pelleted chamomile seed, which comprises the following components: german chamomile seeds, a filler, a water-absorbent resin, an adhesive, a disintegrating agent, a bactericide, an insecticide and a fertilizer.
(1) The filler is a mixture of turf and diatomite;
(2) the water-absorbing resin is a starch grafted acrylate polymerization cross-linked product and an acrylamide-acrylate copolymerization cross-linked product;
(3) the adhesive is Arabic gum, which is added in the form of 0.5 percent adhesive aqueous solution by mass, and the aqueous solution is distilled water;
(4) the disintegrating agent is sodium carboxymethyl starch;
(5) the bactericide is 50% captan wettable powder;
(6) the pesticide is imidacloprid wettable powder with the concentration of 10 percent;
(7) the fertilizer is a nano compound fertilizer;
(8) the mass volume ratio g: ml: ml: ml: g of the filler, the water-absorbent resin, the adhesive, the disintegrating agent, the bactericide and the fertilizer is 35:10:20:15:10: 10;
(9) treating German chamomile seeds: winnowing and sieving German chamomile seeds, selecting seeds with the germination rate of more than 85 percent, and sterilizing;
(10) spraying: uniformly spraying an adhesive aqueous solution on the surface of the German chamomile seed;
(11) coating: mixing the pelleting formula with German chamomile seeds with the surface being the adhesive water solution for coating, wherein the cladding times are about 50-60 times;
(12) screening: grading and screening the pelletized seeds to obtain the particles with the particle size of 1.8-2.0mm, and continuously repeating the steps of 2-3 when the screened particles are unqualified until all the particles are qualified;
(13) drying: drying at 30-35 deg.C to obtain seed of German chamomile. Test example 1 germination test was carried out using seeds obtained by the method of the present invention:
1. seed germination test
The culture dish is put into a filter paper with proper size, the seeds and the naked seeds of the examples 1, 2, 3, 4 and 5 are respectively put into the culture dish, 30 seeds are put into each culture dish, each treatment is repeated for 6 times, and the culture dish is put into an incubator at 25 ℃ for culture, and the filter paper is kept wet in the process.
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:
the germination vigor is the number of seeds germinated at the germination peak period/the number of test seeds multiplied by 100%
The germination rate (number of germinated seeds/number of test seeds) × 100%
3. Results and analysis
The results of the experiments are reported in table 1.
TABLE 1 influence of the pelleting treatment of German Chamomile seeds on seed germination
| Treatment of | Germination vigor (%) | Percentage of germination (%) |
| Example 1 | 68 | 87 |
| Example 2 | 72 | 92 |
| Example 3 | 70 | 89 |
| Example 4 | 65 | 86 |
| Example 5 | 75 | 90 |
| Naked seed | 65 | 87 |
The seeds obtained by the method of the invention are used for a yield test:
1. testing the yield;
the seeds and the naked seeds of the examples 1, 2, 3, 4 and 5 are respectively put into seedling pots for seedling culture, 3 seedlings are left in each seedling pot, each treatment is repeated for 6 times, conditions such as water, fertilizer, illumination, temperature and the like are uniformly controlled, and the seeds and the naked seeds are conventionally managed until the seeds are harvested in a full-bloom period.
2. Determination of yield index
And (4) measuring the indexes of the head number, fresh weight and dry weight of the flowers of the single plant in the full-bloom stage.
3. Results and analysis
The results of the experiments are reported in table 2.
TABLE 2 influence of the pelleting treatment of German Chamomile seeds on the yield
| Treatment of | Number of flower heads | Fresh weight of flower (g) | Flower dry weight (g) |
| Example 1 | 243 | 45 | 7.5 |
| Example 2 | 255 | 47 | 7.8 |
| Example 3 | 225 | 41 | 6.8 |
| Example 4 | 210 | 38.2 | 6.5 |
| Example 5 | 222 | 39 | 7 |
| Naked seed | 202 | 37 | 6.2 |
From the above results, it is clear that the germination vigor and germination rate of the german chamomile seeds pelletized by the present invention are not affected by the pelletization, and the number of heads, fresh weight of flowers, and weight average of dried flowers are significantly increased. Comparing example 1 with example 3, the aqueous solution of the water extracts of the above-ground dry powders of chamomile, hyssop and tanacetum parthenium added with the binder and the bactericide effectively increases the number of heads, fresh weight and dry weight of the seeds of chamomile. Comparing example 3 with example 4, the yield is increased by using thymol instead of traditional bactericide, and the increase is not obvious after adding the insecticide, which shows that the thymol has the functions of both insecticide and bactericide, and achieves the effect of preventing germs, soil insects and the like after adding. Therefore, the German chamomile seed pelleting is carried out, the stress resistance is enhanced, the seedling rate of the German chamomile seeds is improved, and the yield is increased.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A pelleted composition of German chamomile seeds is characterized by comprising a filler, a water-absorbent resin, a binder, a disintegrating agent, a bactericide and a fertilizer, wherein the bactericide is thymol and is added in the form of 0.1-0.5% by mass of thymol aqueous solution, the aqueous solution is water extract of the above-ground dry powder of German chamomile, hyssop and tanacetum vulgare, and the fertilizer is a nano compound fertilizer.
2. The pelleted composition of claim 1, wherein the mass to volume ratio of the filler, the water-absorbent resin, the binder, the disintegrant, the bactericide, and the fertilizer, g: ml: ml: ml: g, is (30-45): (10-15): (15-20): (10-15): (5-10).
3. A pelletised composition according to claim 1 or 2 wherein the filler is one or more of turf, diatomaceous earth, attapulgite, sepiolite, ridge soil, modified starch, vermiculite.
4. A pelletised composition according to claim 1 or 2 wherein the water-absorbing resin is a starch grafted acrylate polymeric cross-link and an acrylamide-acrylate copolymeric cross-link.
5. A pelletised composition according to claim 1 or 2 wherein the binder is one or more of starch, gelatin, polysaccharide, gum arabic, microcrystalline cellulose, methyl cellulose, added as an aqueous binder solution in the range of 0.5-2.0% by mass, the aqueous solution being an aqueous extract of dried aerial parts of chamomile, hyssop and asterias.
6. A pelletised composition according to claim 1 or 2 wherein the disintegrant is one or more of sodium carboxymethyl starch, cross-linked PVP and cross-linked CMSNa.
7. A German chamomile seed pelleting method is characterized by comprising the following steps:
1) treating German chamomile seeds: winnowing and sieving German chamomile seeds, selecting seeds with the germination rate of more than 85 percent, and sterilizing;
2) spraying: uniformly spraying the aqueous binder solution of any one of claims 1 to 6 on the surface of a german chamomile seed;
3) coating: mixing the filler, water-absorbent resin, disintegrant, bactericide and fertilizer according to any one of claims 1 to 6 with the seeds of chamomile having an aqueous binder solution on the surface for coating, at a cladding magnification of about 50 to 60;
4) screening: grading and screening the pelletized seeds to obtain the particles with the particle size of 1.8-2.0mm, and continuously repeating the steps of 2-3 when the screened particles are unqualified until all the particles are qualified;
5) drying: drying at 30-35 deg.C to obtain seed of German flos Chrysanthemi.
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| 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 |
| CN114946321A (en) * | 2022-06-08 | 2022-08-30 | 江苏农牧科技职业学院 | Pelleting formula for isatis tinctoria seeds and preparation method thereof |
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