A method for planting a traditional Chinese medicine, scutellaria baicalensis
By coating Scutellaria baicalensis seeds and applying a coating agent and base fertilizer with a specific composition, the problems of low germination and survival rates of Scutellaria baicalensis in saline-alkali soil were solved, achieving efficient growth and high yield of Scutellaria baicalensis in saline-alkali soil.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHIJIAZHUANG INST OF AGRI MODERNIZATION CHINESE ACAD OF SCI
- Filing Date
- 2024-01-26
- Publication Date
- 2026-06-02
AI Technical Summary
When the Chinese medicinal herb Scutellaria baicalensis is planted in saline-alkali land, there are problems such as soil salinity, insufficient nutrients and soil compaction, resulting in low germination rate, low survival rate and low yield per acre.
The seeds of Scutellaria baicalensis were treated with a coating agent composed of carbendazim, humic acid, polyacrylamide, calcium-based bentonite, polyaspartic acid, chitosan and rare earth metal salts. Combined with specific microbial agents and base fertilizer, the soil environment was improved, and the seed germination rate and survival rate were increased.
It significantly improved the germination rate and survival rate of Scutellaria baicalensis seeds in saline-alkali land, enhanced its salt and alkali resistance, and increased the yield of Scutellaria baicalensis per mu in saline-alkali land.
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Figure CN118020575B_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of medicinal herb cultivation technology in saline-alkali land, and in particular to a method for cultivating the medicinal herb Scutellaria baicalensis in saline-alkali land. Background Technology
[0002] Saline-alkali land is a type of soil where salt accumulation negatively impacts crop growth. It can be categorized into slightly saline-alkali, moderately saline-alkali, and severely saline-alkali land. Slightly saline-alkali land has a pH of 7.1–8.5, a seedling emergence rate of 70–80%, and a salt content of 0.1–0.3%. Severely saline-alkali land has a pH above 9.5, a seedling emergence rate below 50%, and a salt content above 0.6%. Moderately saline-alkali land has a pH of 8.5–9.5, a seedling emergence rate of 50–70%, and a salt content of 0.3–0.6%. The formation of alkaline and alkalized soils in my country is largely related to the accumulation of carbonates in the soil, resulting in generally high alkalinity. In severely saline-alkali soil areas, plants can hardly survive, undoubtedly leading to land waste.
[0003] Currently, the main methods for saline-alkali land improvement are as follows: 1. Water conservancy improvement and freshwater leaching: suitable for areas with good drainage and higher elevations; 2. Biological improvement: improving the micro-ecological environment of saline-alkali land by applying biological organic fertilizers to supplement organic matter and increase the number of beneficial microorganisms in the soil, establishing a new micro-ecological balance among soil, plants, and microorganisms to achieve the goal of biological control; 3. Chemical improvement: applying about 15 tons of gypsum per hectare as a base fertilizer, which can also be combined with the improvement of alkaline patches in cultivated land and grasslands based on local conditions; 4. Deep plowing: digging to a depth of at least 70 cm and continuously deep plowing for 2 to 3 years to basically solve the problem of efflorescence during irrigation; 5. Topsoil improvement: in severely alkaline patches, digging to a depth of 40 cm and backfilling with topsoil. However, all of the above methods have shortcomings and cannot be sustained in the long term.
[0004] Scutellaria baicalensis is a commonly used traditional Chinese medicine with various medicinal values, such as clearing heat and detoxifying, and nourishing qi and blood. Scutellaria baicalensis is salt-tolerant, and cultivating it in saline-alkali land is an important approach for the effective utilization of such land, while also improving its condition. However, cultivating Scutellaria baicalensis in saline-alkali land still presents many challenges, such as the soil's salinity, insufficient nutrients, and soil compaction, all of which are detrimental to its growth. Therefore, a cultivation method that enables Scutellaria baicalensis to grow well in saline-alkali land is needed. Summary of the Invention
[0005] To address the shortcomings of existing technologies, this application provides a method for cultivating Scutellaria baicalensis in saline-alkali soil. This method involves coating the Scutellaria baicalensis seeds, which significantly improves the germination rate and survival rate of the seeds, thereby effectively increasing the yield of Scutellaria baicalensis per mu in saline-alkali soil.
[0006] Therefore, the first aspect of this application provides a method for cultivating the traditional Chinese medicine Scutellaria baicalensis in saline-alkali land, the method comprising the following steps:
[0007] S1, the seeds of Scutellaria baicalensis were coated with a coating agent to obtain coated Scutellaria baicalensis seeds;
[0008] S2, apply base fertilizer to saline-alkali land, plow and ridge, and open sowing furrows on the ridges;
[0009] S3, the coated Scutellaria baicalensis seeds are sown in the sowing furrow, and after sowing, the soil is covered and the ridge is covered with mulch film;
[0010] The coating agent, by weight, comprises the following components: 2-5 parts carbendazim, 2-5 parts humic acid, 5-10 parts polyacrylamide, 60-100 parts calcium-based bentonite, 5-10 parts polyaspartic acid, 10-15 parts chitosan, and 3-8 parts N-acetyl-5-methoxytryptamine.
[0011] In this application, the planting method involves coating the Scutellaria baicalensis seeds with a coating agent before sowing. Through the synergistic effect of the components in the coating agent, the germination rate and survival rate of the coated seeds in saline-alkali soil are significantly improved. Specifically, carbendazim in the coating agent is a fungicide that can reduce the harm of pathogens in saline-alkali soil to Scutellaria baicalensis seeds; humic acid can act as a water-retaining agent, enhancing the water absorption and retention capacity of Scutellaria baicalensis seeds and improving drought resistance during the seedling stage. Simultaneously, the humic acid molecule contains a large number of carboxyl groups, which can help lower the pH value of saline-alkali soil and improve the resistance of Scutellaria baicalensis seeds to alkali; polyacrylamide has a porous three-dimensional network structure with many hydrophilic groups, thus it can adsorb water in its three-dimensional network structure, acting as a high-performance water-retaining agent; calcium-based bentonite can act as a desalination agent, reducing the salt content in saline-alkali soil and creating a favorable soil environment. Calcium ions in calcium-based bentonite also help improve the water retention of polyacrylamide, further enhancing the salt and drought resistance of Scutellaria baicalensis seeds; polyaspartic acid is a water-soluble biomimetic polymer that can effectively promote the absorption of nutrients (trace elements such as iron, zinc, and manganese) by Scutellaria baicalensis seedlings, promote seedling root growth, and enhance stress resistance; chitosan is easily soluble in water and readily absorbed and utilized by organisms, and can alter soil flora, promoting the growth of beneficial microorganisms. At the same time, chitosan can also act as a film-forming agent, allowing other components in the coating agent to be successfully coated on the surface of Scutellaria baicalensis seeds; N-acetyl-5-methoxytryptamine can further enhance the salt tolerance of Scutellaria baicalensis seeds and promote the growth of Scutellaria baicalensis seedlings.
[0012] In some embodiments, the mass ratio of the polyacrylamide to calcium-based bentonite is 1:(8-12).
[0013] In some specific embodiments, the mass ratio of polyacrylamide to calcium-based bentonite is 1:8, 1:9, 1:10, 1:11, or 1:12, etc. In some preferred embodiments, the mass ratio of polyacrylamide to calcium-based bentonite is 1:10.
[0014] This application helps to further improve the salt and drought resistance of Scutellaria baicalensis seeds by controlling the mass ratio of polyacrylamide to calcium-based bentonite within the above-mentioned range, thereby increasing the germination rate and survival rate of Scutellaria baicalensis seeds and the yield per mu of Scutellaria baicalensis.
[0015] In some embodiments, the raw materials for preparing the coating agent also include 2 to 5 parts of rare earth metal salts.
[0016] In this application, rare earth metal salts can be used as nutrients to further promote the growth of Scutellaria baicalensis. Specifically, after the rare earth metal salts dissolve in water, they can increase the content of rare earth elements in the soil. Rare earth elements can increase the chlorophyll content of plants, enhance photosynthesis, promote root development, and increase the absorption of nutrients by the roots. At the same time, rare earth elements can also promote seed germination, increase the seed germination rate, and promote seedling growth.
[0017] In some embodiments, the rare earth metal salt is a mixture of lanthanum acetate and yttrium acetate; the mass ratio of lanthanum acetate to yttrium acetate in the mixture is 1:(2-4).
[0018] This application utilizes a mixture of lanthanum acetate and yttrium acetate as a rare earth metal salt, and controls their mass ratio within the aforementioned range, which helps to further improve the survival rate and yield per acre of Scutellaria baicalensis.
[0019] In some embodiments, the coating agent is obtained by mixing and pulverizing the components, and the particle size of the pulverized coating agent is 50-80 mesh.
[0020] The coating agent described in this application is simple to prepare, and controlling the particle size of the coating agent to 50-80 mesh makes it easier for the coating agent to coat the Scutellaria baicalensis seeds.
[0021] In some embodiments, step S1 includes the following method: spraying water mist onto the Scutellaria baicalensis seeds until the seed surface is moistened, then mixing the moistened Scutellaria baicalensis seeds with the coating agent to coat the Scutellaria baicalensis seeds; wherein the mass ratio of the Scutellaria baicalensis seeds to the coating agent is 1:(15-20).
[0022] This application first moistens the surface of Scutellaria baicalensis seeds, and then mixes and stirs the moistened Scutellaria baicalensis seeds with a powdered coating agent to coat the seed surface. During the coating process, the quality of the coating agent used is much higher than that of the Scutellaria baicalensis seeds. The excess uncoated coating agent can serve as nutrient soil, providing nutrition for the growth of Scutellaria baicalensis seeds in saline-alkali soil, and also facilitating the uniform sowing of Scutellaria baicalensis seeds and avoiding the accumulation of Scutellaria baicalensis seeds during the sowing process.
[0023] In this application, before surface wetting the Scutellaria baicalensis seeds, the seeds are screened, and the screened Scutellaria baicalensis seeds are plump maternal Scutellaria baicalensis seeds with strong salt and alkali resistance and drought resistance.
[0024] In some embodiments, the base fertilizer is an organic fertilizer with an organic matter content of more than 50%, and the organic fertilizer also contains 2-4% by mass of salt- and alkali-tolerant microbial agents.
[0025] The organic fertilizer in this application can be prepared by composting and fermenting animal manure and / or plant straw, and then adding an appropriate amount of microbial inoculant. Simultaneously, the microbial inoculant in the base fertilizer described in this application can directly participate in the formation of soil fertility, improve soil compaction, and enhance the plant's resistance to salinity and alkalinity.
[0026] In some embodiments, the microbial agent comprises the following components by weight: 1-5 parts of Azotobacter chrysophyte, 8-15 parts of Bacillus subtilis, 1-5 parts of Trichoderma harzianum, 5-10 parts of Stenotrophomonas maltophilia, and 1-5 parts of trehalose.
[0027] In this application, the *Azotobacter chrysophyte* has nitrogen-fixing properties, effectively improving the fertility of saline-alkali soils; *Bacillus subtilis* can rapidly and extensively proliferate and colonize in the rhizosphere and soil, effectively repelling, preventing, and interfering with the colonization and infection of plant pathogenic microorganisms on plants, thereby achieving antibacterial and disease-preventing effects. Simultaneously, *Bacillus subtilis* can also secrete active substances, enhancing crop resistance, promoting plant growth, improving soil structure, and promoting root growth; *Trichoderma harzianum* can prevent the invasion of root pathogens by secreting enzymes and antibiotic-like substances; *Stenotrophomonas maltophilia* can produce a... Some hormones and metabolites, such as indoleacetic acid, gluconic acid, and glucosamine, stimulate root development, increase plant biomass and yield, and also produce antibacterial substances, such as antibiotics, bacteriocins, and phenolic compounds, thereby inhibiting or killing plant pathogens, such as Ralstonia solanacearum, Rhizoctonia solani, and Rhizoctonia solani, thus improving plant disease resistance. Trehalose lipids have a chelating function for trace elements, reducing the possibility of rapid loss of trace elements in the soil and ensuring the long-term effectiveness of the fertilizer. They can also repair soil aggregate structure and alkalinity, enhance soil permeability and aeration, and promote plant growth. This application demonstrates that the synergistic effect of the components in the microbial inoculant can significantly increase the yield of Scutellaria baicalensis per acre.
[0028] In some embodiments, the amount of base fertilizer applied is 100-500 kg per acre.
[0029] In some preferred embodiments, the amount of base fertilizer applied is 300 kg per acre.
[0030] In some embodiments, in step S2, the height of the ridge is 15-20cm, the top width is 20-30cm, the bottom width is 60-70cm, and the ridge spacing is 40-50cm; the depth of the sowing furrow is 2-4cm.
[0031] In this application, the height, width, and spacing of the ridges are determined based on the terrain, soil type, and climatic conditions. By controlling the ridge-making parameters and sowing furrow depth within the aforementioned ranges, this application is more conducive to the growth of Scutellaria baicalensis.
[0032] The beneficial technical effects of this application are as follows: The planting method provided in this application coats the Scutellaria baicalensis seeds with a coating agent before sowing. Through the synergistic effect of the components in the coating agent, the germination rate and survival rate of the coated Scutellaria baicalensis seeds in saline-alkali soil are significantly improved. Simultaneously, the base fertilizer applied in this application also includes a specific microbial inoculant. Through the synergistic effect of Azotobacter chrysophagus, Azotobacter lipophilus, and Enterobacter holmie in the microbial inoculant, the soil fertility of saline-alkali soil is effectively improved, and the salt-alkali resistance of Scutellaria baicalensis is further enhanced. Furthermore, the planting method of this application is simple and efficient, and can significantly improve the germination rate and survival rate of the planted Scutellaria baicalensis seeds, effectively increasing the yield per acre of Scutellaria baicalensis in saline-alkali soil, showing promising application prospects. Attached Figure Description
[0033] Figure 1 This is a schematic diagram of the ridging structure in Example 1. Detailed Implementation
[0034] To make this application easier to understand, the following detailed description will be provided with reference to embodiments. These embodiments are for illustrative purposes only and are not intended to limit the scope of application of this application. Unless otherwise specified, the raw materials or components used in this application can be obtained commercially or by conventional methods.
[0035] In the following examples, saline-alkali land with a pH of 8.2 and a salt content of 0.25% was selected as the test soil.
[0036] Preparation Example 1: Preparation of Coating Agent Raw materials: By weight, the raw materials for preparing the coating agent consist of 3 parts carbendazim, 4 parts humic acid, 8 parts polyacrylamide, 80 parts calcium bentonite, 6 parts polyaspartic acid, 12 parts chitosan, and 5 parts N-acetyl-5-methoxytryptamine; wherein the mass ratio of polyacrylamide to calcium bentonite is 1:10.
[0037] Preparation process: The above components are mixed and then added to a pulverizer for pulverization. The particle size of the coating agent obtained after pulverization is 60 mesh.
[0038] Preparation Example 2: Preparation of Coating Agent Raw materials: By weight, the raw materials for preparing the coating agent consist of 3 parts carbendazim, 4 parts humic acid, 10 parts polyacrylamide, 78 parts calcium bentonite, 6 parts polyaspartic acid, 12 parts chitosan, and 5 parts N-acetyl-5-methoxytryptamine; wherein the mass ratio of polyacrylamide to calcium bentonite is 1:7.8.
[0039] Preparation process: Same as in Example 1.
[0040] Preparation Example 3: Preparation of Coating Agent Raw materials: By weight, the raw materials for preparing the coating agent consist of 3 parts carbendazim, 4 parts humic acid, 5 parts polyacrylamide, 83 parts calcium bentonite, 6 parts polyaspartic acid, 12 parts chitosan, and 5 parts N-acetyl-5-methoxytryptamine; wherein the mass ratio of polyacrylamide to calcium bentonite is 1:16.6.
[0041] Preparation process: Same as in Example 1.
[0042] Preparation Example 4: Preparation of Coating Agent Raw materials: By weight, the raw materials for preparing the coating agent consist of 3 parts carbendazim, 4 parts humic acid, 8 parts polyacrylamide, 80 parts calcium bentonite, 6 parts polyaspartic acid, 12 parts chitosan, 5 parts N-acetyl-5-methoxytryptamine, and 4 parts lanthanum acetate; wherein the mass ratio of polyacrylamide to calcium bentonite is 1:10.
[0043] Preparation process: Same as in Example 1.
[0044] Preparation Example 5: Preparation of Coating Agent Raw materials: By weight, the raw materials for preparing the coating agent consist of 3 parts carbendazim, 4 parts humic acid, 8 parts polyacrylamide, 80 parts calcium-based bentonite, 6 parts polyaspartic acid, 12 parts chitosan, 5 parts N-acetyl-5-methoxytryptamine, and 4 parts yttrium acetate; wherein the mass ratio of polyacrylamide to calcium-based bentonite is 1:10.
[0045] Preparation process: Same as in Example 1.
[0046] Preparation Example 6: Preparation of Coating Agent Raw materials: By weight, the raw materials for preparing the coating agent consist of 3 parts carbendazim, 4 parts humic acid, 8 parts polyacrylamide, 80 parts calcium bentonite, 6 parts polyaspartic acid, 12 parts chitosan, 5 parts N-acetyl-5-methoxytryptamine, 1 part lanthanum acetate, and 3 parts yttrium acetate; wherein the mass ratio of polyacrylamide to calcium bentonite is 1:10, and the mass ratio of lanthanum acetate to yttrium acetate is 1:3.
[0047] Preparation process: Same as in Example 1.
[0048] Example 1: Cultivation of Scutellaria baicalensis, a traditional Chinese medicine, in saline-alkali soil
[0049] Select plump maternal Scutellaria baicalensis seeds and place them on a rotating disc. Spray the seeds with water mist until the seed surface is moistened while rotating. Mix the moistened Scutellaria baicalensis seeds with the coating agent prepared in Preparation Example 1 to coat the seeds, obtaining coated Scutellaria baicalensis seeds. The mass ratio of Scutellaria baicalensis seeds to coating agent during the coating process is 1:18.
[0050] Apply 300 kg of base fertilizer per acre to saline-alkali land. The base fertilizer is organic fertilizer made from cow manure and wheat straw through composting and fermentation. The organic fertilizer contains 55% organic matter and 3% salt-tolerant microbial agents. These agents contain 5 parts of Azotobacter chrysophagus and 15 parts of Bacillus subtilis. After fertilization, till and ridge the land, then create a single planting furrow on each ridge. A schematic diagram of the ridging structure is shown below. Figure 1 As shown, the height of the ridge is 20cm, the top width is 30cm, the bottom width is 70cm, and the ridge spacing is 40cm; the depth of the sowing furrow is 3cm, and the sowing furrow is located at the center of the top of the ridge.
[0051] Sow the coated Scutellaria baicalensis seeds in the sowing furrow at a rate of 0.5 kg per mu. After sowing, cover with 2 cm of soil and cover the ridges with black plastic film.
[0052] After sowing, carry out routine field management until the Scutellaria baicalensis is harvested at maturity.
[0053] Example 2: Cultivation of Scutellaria baicalensis, a traditional Chinese medicine, in saline-alkali soil
[0054] The planting method is basically the same as in Example 1, except that the coating agent prepared in Preparation Example 2 is used instead of the coating agent in Preparation Example 1.
[0055] Example 3: Cultivation of Scutellaria baicalensis, a traditional Chinese medicine, in saline-alkali soil
[0056] The planting method is basically the same as in Example 1, except that the coating agent prepared in Preparation Example 3 is used instead of the coating agent in Preparation Example 1.
[0057] Example 4: Cultivation of Scutellaria baicalensis, a traditional Chinese medicine, in saline-alkali soil
[0058] The planting method is basically the same as in Example 1, except that the coating agent prepared in Preparation Example 4 is used instead of the coating agent in Preparation Example 1.
[0059] Example 5: Cultivation of Scutellaria baicalensis, a traditional Chinese medicine, in saline-alkali soil
[0060] The planting method is basically the same as in Example 1, except that the coating agent prepared in Preparation Example 5 is used instead of the coating agent in Preparation Example 1.
[0061] Example 6: Cultivation of Scutellaria baicalensis, a traditional Chinese medicine, in saline-alkali soil
[0062] The planting method is basically the same as in Example 1, except that the coating agent prepared in Preparation Example 6 is used instead of the coating agent in Preparation Example 1.
[0063] Example 7: Cultivation of Scutellaria baicalensis, a traditional Chinese medicine, in saline-alkali soil
[0064] The planting method is basically the same as in Example 6, except that the salt-tolerant microbial agent in the applied organic fertilizer contains 5 parts of Azotobacter chrysotrichum, 10 parts of Bacillus subtilis and 5 parts of Trichoderma harzianum.
[0065] Example 8: Cultivation of Scutellaria baicalensis, a traditional Chinese medicine, in saline-alkali soil
[0066] The planting method is basically the same as in Example 6, except that the salt-tolerant microbial agent in the applied organic fertilizer contains 5 parts of Azotobacter chrysophyte, 5 parts of Trichoderma harzianum, and 10 parts of Stenotrophomonas maltophilia.
[0067] Example 9: Cultivation of Scutellaria baicalensis, a traditional Chinese medicine, in saline-alkali soil
[0068] The planting method is basically the same as in Example 6, except that the salt-tolerant microbial agent in the applied organic fertilizer contains 2 parts of Azotobacter chrysotrichum, 10 parts of Bacillus subtilis, 2 parts of Trichoderma harzianum and 6 parts of Stenotrophomonas maltophilia.
[0069] Example 10: Cultivation of Scutellaria baicalensis, a traditional Chinese medicine, in saline-alkali soil
[0070] The planting method is basically the same as in Example 6, except that the salt-tolerant microbial agent in the applied organic fertilizer contains 2 parts of Azotobacter chrysophyte, 8 parts of Bacillus subtilis, 2 parts of Trichoderma harzianum, 5 parts of Stenotrophomonas maltophilia and 3 parts of trehalose.
[0071] Example 11: Cultivation of Scutellaria baicalensis, a traditional Chinese medicine, in saline-alkali soil
[0072] The planting method is basically the same as in Example 6, except that the mass ratio of Scutellaria baicalensis seeds to coating agent is 1:10 during the coating process.
[0073] Comparative Example 1: Cultivation of the Chinese medicinal herb Scutellaria baicalensis in saline-alkali soil
[0074] The planting method is basically the same as in Example 1, except that the Scutellaria baicalensis seeds were not coated.
[0075] Test Example 1
[0076] The emergence of Scutellaria baicalensis planted in Examples 1-11 and Comparative Example 1 was statistically analyzed, and the emergence rate was calculated. Simultaneously, the mortality rate 15 days after emergence was statistically analyzed, and the mortality rate within 15 days was calculated. The average fresh weight of the roots per Scutellaria baicalensis plant harvested in Examples 1-11 and Comparative Example 1 was weighed, and the yield per mu (approximately 0.067 hectares) of Scutellaria baicalensis was calculated. The results are shown in Table 1.
[0077] Table 1
[0078]
[0079]
[0080] As shown in Table 1, the germination rate, survival rate and yield per mu of Scutellaria baicalensis in Examples 1-10 of this application are significantly better than those in Comparative Example 1, indicating that coating the seeds of Scutellaria baicalensis before sowing can improve the germination rate, survival rate and yield per mu of Scutellaria baicalensis in saline-alkali soil.
[0081] The test results from Examples 1-3 show that controlling the mass ratio of polyacrylamide to calcium-based bentonite in the raw materials for preparing the coating agent to 1:(8-12) can further improve the germination rate, survival rate and yield per mu of Scutellaria baicalensis in saline-alkali land.
[0082] The test results from Examples 1 and 4-6 show that introducing rare earth metal salts into the raw materials for preparing the coating agent helps to further improve the germination rate, survival rate, and yield per mu of Scutellaria baicalensis in saline-alkali land. The improvement effect is highest when the rare earth metal salts include both lanthanum acetate and yttrium acetate.
[0083] The test results from Examples 6 and 7-10 show that when the applied organic fertilizer contains salt-tolerant microbial agents that simultaneously include Azotobacter chrysotrichum, Bacillus subtilis, Trichoderma harzianum, Stenotrophomonas maltophilia, and phycolipid, the synergistic effect of these components can improve the germination rate, survival rate, and yield per acre of Scutellaria baicalensis in saline-alkali soil.
[0084] The test results from Examples 6 and 11 show that when the mass ratio of Scutellaria baicalensis seeds to coating agent is within the range of 1:(15-20) during the coating process, the germination rate, survival rate and yield per mu of Scutellaria baicalensis in saline-alkali soil are better.
[0085] It should be noted that the embodiments described above are only for explaining this application and do not constitute any limitation on this application. This application has been described with reference to typical embodiments, but it should be understood that the terms used therein are descriptive and explanatory terms, not limiting terms. Modifications can be made to this application within the scope of the claims, and revisions can be made to the invention without departing from the scope and spirit of this application. Although the application described herein relates to specific methods, materials, and embodiments, it does not mean that this application is limited to the specific examples disclosed herein; on the contrary, this application can be extended to all other methods and applications with the same function.
Claims
1. A method for cultivating the traditional Chinese medicine Scutellaria baicalensis in saline-alkali land, characterized in that, The method Includes the following steps: S1, the seeds of Scutellaria baicalensis were coated with a coating agent to obtain coated Scutellaria baicalensis seeds; S2, apply base fertilizer to saline-alkali land, plow and ridge, and open sowing furrows on the ridges; S3, the coated Scutellaria baicalensis seeds are sown in the sowing furrow, and after sowing, the soil is covered and the ridge is covered with mulch film; The coating agent, by weight, comprises the following components: 2-5 parts carbendazim, 2-5 parts humic acid, 5-10 parts polyacrylamide, 60-100 parts calcium-based bentonite, 5-10 parts polyaspartic acid, 10-15 parts chitosan, and 3-8 parts N-acetyl-5-methoxytryptamine. The raw materials for preparing the coating agent also include 2 to 5 parts of rare earth metal salt, wherein the rare earth metal salt is a mixture of lanthanum acetate and yttrium acetate, and the mass ratio of lanthanum acetate to yttrium acetate in the mixture is 1:(2 to 4). The base fertilizer is an organic fertilizer with an organic matter content of more than 50%, and the organic fertilizer also contains salt- and alkali-tolerant microbial agents with a mass content of 2-4%. The microbial agent comprises the following components by total weight: 1-5 parts of Azotobacter chrysozoata, 8-15 parts of Bacillus subtilis, 1-5 parts of Trichoderma harzianum, 5-10 parts of Stenotrophomonas maltophilia and 1-5 parts of trehalose.
2. The planting method according to claim 1, characterized in that, The mass ratio of the polyacrylamide to calcium-based bentonite is 1:(8~12).
3. The planting method according to claim 1 or 2, characterized in that, The coating agent is prepared by mixing and pulverizing the components, and the particle size of the pulverized coating agent is 50-80 mesh.
4. The planting method according to claim 1 or 2, characterized in that, In step S1, the coating treatment includes: spraying the Scutellaria baicalensis seeds with water mist until the seed surface is moistened, then stirring and mixing the moistened Scutellaria baicalensis seeds with the coating agent to coat the Scutellaria baicalensis seeds; wherein the mass ratio of the Scutellaria baicalensis seeds to the coating agent is 1:(15~20).
5. The planting method according to claim 1 or 2, characterized in that, The amount of base fertilizer to be applied is 100-500 kg per mu.
6. The planting method according to claim 1 or 2, characterized in that, In step S2, the height of the ridge is 15-20cm, the top width is 20-30cm, the bottom width is 60-70cm, and the ridge spacing is 40-50cm; the depth of the sowing furrow is 2-4cm.