A seedling strengthening agent for rubber grass and a method for preparing and using the same

Abstract

The present application relates to the field of agricultural planting technology, and discloses a kind of rubber grass with strong seedling agent, comprising the following mass fraction of raw materials: diammonium phosphate 10-22 parts, potassium sulfate 15-25 parts, microbial inoculant 0.1-1 part, activator 0.5-2 parts, biological agent 0.2-0.8 parts, trace elements 0.1-0.5 parts;Rubber grass with strong seedling agent is mixed with seedling soil and stirred uniformly, placed in a sealed, dark environment for 10-15h, then loaded into the seedling container, through conventional seedling, management, it can be done.The rubber grass with strong seedling agent of the present application combined with the use method can effectively improve the rubber grass survival rate, yield per mu and the content of rubber in rubber grass, providing a more selective for the seedling process of rubber grass;And the preparation method of the rubber grass with strong seedling agent of the present application is simple, low in cost, and can be applied to large-scale agricultural application.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of agricultural planting technology, in particular to a seedling strengthening agent for Taraxacum kok-saghyz Rodin and a preparation and use method thereof. BACKGROUND

[0002] Taraxacum kok-saghyz Rodin is a perennial herb of the genus Taraxacum in the family Asteraceae, with narrow ovate or oblong lanceolate leaves that are not divided, entire or with wavy teeth, peduncles longer than leaves and sometimes with purple-red color, and with head-shaped inflorescences; the calyx is bell-shaped, with pale green calyx lobes, and the tips are often purple-red; the ligulate flowers are yellow, with sparse short soft hairs on the outside of the throat and lower part of the ligule; the style is yellow; the achenes are light brown; the flowers and fruits are in May to July; the roots contain milk, from which rubber can be extracted, and the rubber is used to manufacture general rubber products. Taraxacum kok-saghyz Rodin, together with Hevea brasiliensis and Chrysanthemum coronarium, is known as the three major rubber-producing plants in the world.

[0003] Seedling strengthening agent is a chemical substance that promotes the growth of crops, and is mainly used to improve the growth rate and yield of crops. Correct use of seedling strengthening agent can effectively improve the growth quality and yield of crops, but improper use may have adverse effects on crops. In the prior art, the methods for improving the growth rate and yield of Taraxacum kok-saghyz Rodin mostly use rooting powder solution to soak seeds, and then perform seed quality. This method has limited effect on the survival rate and later growth promotion of Taraxacum kok-saghyz Rodin, and cannot promote the growth of roots in a targeted manner. In addition, there are also schemes for treating Taraxacum kok-saghyz Rodin with seedling strengthening agent, but the types of seedling strengthening agent specially used for Taraxacum kok-saghyz Rodin are few, and it is difficult to further improve the growth rate and yield of Taraxacum kok-saghyz Rodin. SUMMARY

[0004] Therefore, the present application provides a seedling strengthening agent for Taraxacum kok-saghyz Rodin, which has a simple preparation method and is suitable for industrial production, and effectively solves the problems that the existing rooting powder for Taraxacum kok-saghyz Rodin cannot promote the growth of roots in a targeted manner and the types of seedling strengthening agent specially used for Taraxacum kok-saghyz Rodin are few.

[0005] In order to solve the above technical problems, the present application adopts the following technical solutions:

[0006] The first object of the present application is to provide a seedling strengthening agent for Taraxacum kok-saghyz Rodin, which comprises the following raw materials in mass fraction: diammonium hydrogen phosphate 10-22 parts, potassium sulfate 15-25 parts, microbial inoculant 0.1-1 part, activator 0.5-2 parts, biological agent 0.2-0.8 parts, and trace elements 0.1-0.5 parts.

[0007] Preferably, in the seedling strengthening agent for Taraxacum kok-saghyz Rodin, the following raw materials are included in mass fraction: diammonium hydrogen phosphate 15 parts, potassium sulfate 20 parts, microbial inoculant 0.3 parts, activator 1.2 parts, biological agent 0.5 parts, and trace elements 0.3 parts.

[0008] Preferably, in the above-mentioned seedling strengthening agent for rubber grass, the microbial agent comprises Trichoderma harzianum and Bacillus subtilis, and the mass ratio of the Trichoderma harzianum to the Bacillus subtilis is 1-2.5:1.

[0009] Preferably, in the above-mentioned seedling strengthening agent for rubber grass, the activating agent comprises nano-carbon, humic acid and / or fulvic acid, and the mass ratio of the nano-carbon to the humic acid and / or fulvic acid is 1:3-5.

[0010] Preferably, in the above-mentioned seedling strengthening agent for rubber grass, the biological agent is selected from nicotine and / or tea polyphenol, and the mass ratio of the nicotine to the tea polyphenol is 1:3-6.

[0011] The second object of the present application is to provide a preparation method of the above-mentioned seedling strengthening agent for rubber grass, comprising the following steps:

[0012] (1) sequentially adding diammonium phosphate, potassium sulfate, a microbial agent, a biological agent and trace elements into a reaction kettle, and fully stirring until uniform;

[0013] (2) adding an activating agent and continuing to stir until mixed uniformly, to obtain the seedling strengthening agent.

[0014] Preferably, in the above-mentioned preparation method of the seedling strengthening agent for rubber grass, the temperature of the reaction kettle in step (1) is set to 30-40℃, and after stirring until uniform, the temperature is cooled to room temperature.

[0015] Preferably, in the above-mentioned preparation method of the seedling strengthening agent for rubber grass, the stirring speed in step (1) is 150-200 rpm.

[0016] The stirring speed in step (2) is 400-500 rpm.

[0017] The third object of the present application is to provide a use method of the seedling strengthening agent for rubber grass, comprising the following steps: mixing the above-mentioned seedling strengthening agent for rubber grass with nursery soil and stirring until uniform, placing in a sealed and dark environment for 10-15 h, and then loading into a nursery container, and performing conventional nursery and management.

[0018] Preferably, in the above-mentioned use method of the seedling strengthening agent for rubber grass, 700-900 rubber grass seedlings are cultivated per kilogram of the seedling strengthening agent.

[0019] The present application provides a seedling strengthening agent for rubber grass and its preparation and use method, which has the following beneficial effects compared with the prior art:

[0020] The rubber grass seedling strengthening agent and the combination use method can effectively improve the seedling survival rate, the yield per mu and the rubber content in the rubber grass, and provide a selective method for the seedling process of the rubber grass; and the preparation method of the rubber grass seedling strengthening agent is simple and low in cost, and can be applied to large-scale agricultural application. DETAILED DESCRIPTION

[0021] The embodiments of the present application are described in detail below, wherein identical or similar reference numerals designate identical or similar elements throughout. The following embodiments are exemplary only and are presented for purposes of explanation and should not be considered as limiting the present application. Unless otherwise defined, technical or scientific terms used in the embodiments have the same meaning as commonly understood by one of ordinary skill in the art. Unless otherwise indicated, all chemicals or reagents are available from a commercial vendor such as Sigma-Aldrich (St. Louis, Mo.), Fisher Scientific (Pittsburgh, Pa.), or VWR International (Radnor, Pa.).

[0022] In one aspect of the present application, the present application provides a rubber grass seedling strengthening agent, comprising the following raw materials in parts by mass: diammonium hydrogen phosphate 10-22 parts, potassium sulfate 15-25 parts, microbial agent 0.1-1 part, activator 0.5-2 parts, biological agent 0.2-0.8 parts, and trace elements 0.1-0.5 parts.

[0023] Further, the rubber grass seedling strengthening agent comprises the following raw materials in parts by mass: diammonium hydrogen phosphate 15 parts, potassium sulfate 20 parts, microbial agent 0.3 parts, activator 1.2 parts, biological agent 0.5 parts, and trace elements 0.3 parts; or the rubber grass seedling strengthening agent comprises the following raw materials in parts by mass: diammonium hydrogen phosphate 12 parts, potassium sulfate 18 parts, microbial agent 0.2 parts, activator 1.5 parts, biological agent 0.6 parts, and trace elements 0.2 parts; or the rubber grass seedling strengthening agent comprises the following raw materials in parts by mass: diammonium hydrogen phosphate 16 parts, potassium sulfate 18 parts, microbial agent 0.7 parts, activator 0.8 parts, biological agent 0.3 parts, and trace elements 0.4 parts.

[0024] In some embodiments of the present application, the microbial agent comprises Trichoderma harzianum and Bacillus subtilis, and the mass ratio of the Trichoderma harzianum to the Bacillus subtilis is 1-2.5:1, for example, 1:1, 1.5:1, 2:1, 2.5:1, etc.

[0025] Further, the preparation method of the microbial agent is as follows: (1) mixing Trichoderma harzianum and Bacillus subtilis and proliferating in a laboratory, entering a seed tank, and then adding generations, proliferating and fermenting to obtain microbial fermentation broth; (2) obtaining the microbial fermentation broth through membrane separation by using a molecular sieve to obtain a clear liquid, and then concentrating and spray drying the clear liquid to obtain the microbial agent; wherein the fermentation temperature is 70-90 DEG C, the fermentation pressure is 1.0-1.5 MPa, the fermentation time is 3-5 h, the spray pressure is 4-6 MPa, and the nozzle temperature is 170-180 DEG C.

[0026] The addition of the microbial agent can not only adjust the microbial colony environment to adapt to the growth of the rubber grass, but also improve the utilization rate of nitrogen, phosphorus and potassium, promote the growth of plants and improve the stress resistance of plants; in addition, the beneficial bacteria group optimizes the rhizosphere colony environment of the rubber grass, improves the nutrient absorption efficiency, stimulates the root growth regulation and development, promotes the crop metabolism, and reduces and prevents the occurrence of diseases of the rubber grass seedlings.

[0027] In some embodiments of the present application, the activator comprises nano-carbon, humic acid and / or fulvic acid, and the mass ratio of the nano-carbon to the humic acid and / or fulvic acid is 1:3-5, for example, 1:3, 1:4, 1:5, etc.

[0028] The use of the activator can increase the looseness of the seedling soil, improve the air permeability of the soil, promote the absorption and utilization of nutrients by the rubber grass, and accelerate the transformation of nutrients by the crop; at the same time, the use of the activator can also significantly promote the growth of the crop, improve the yield and improve the quality. In addition, the mixing of the conventional activator such as humic acid and / or fulvic acid with nano-carbon can further enhance the ability of the activator to promote the activation of the plant root system, improve the success rate of seedling raising, and achieve the effect of increasing yield.

[0029] In some embodiments of the present application, the biological agent is selected from nicotine and / or tea polyphenol, and the mass ratio of the nicotine to the tea polyphenol is 1:3-6, for example, 1:3, 1:4, 1:5, 1:6, etc. The biological agent has sterilization and insecticidal effects, can reduce the diseases and insect pests of the rubber grass, and reduce the amount of pesticide used in the subsequent planting process.

[0030] The second object of the present application is to provide a preparation method of the seedling strengthening agent for rubber grass.

[0031] (1) adding diammonium phosphate, potassium sulfate, a microbial agent, a biological agent and trace elements into a reaction kettle in sequence, and fully stirring until uniform;

[0032] (2) adding an activator and continuing to stir until mixed uniformly to obtain the seedling strengthening agent.

[0033] In still some embodiments of the present application, the temperature of the reactor in step (1) is set to 30-40℃, and after stirring until uniform, the mixture is cooled to room temperature. Under low-temperature heating conditions, the mixing of the raw materials can be more uniform and thorough, thereby achieving the best efficacy.

[0034] Further, the stirring speed in step (1) is 150-200 rpm. Under a lower stirring speed, the raw materials can be effectively mixed, and the raw materials can be prevented from overflowing, thereby ensuring that the seedling strengthening agent is not wasted and that each raw material is within the scope of the embodiments of the present application. The stirring speed in step (2) is 400-500 rpm. Since most of the raw materials have been mixed uniformly in step (1), the stirring speed can be increased in this step to improve the preparation efficiency.

[0035] A third object of the present application is to provide a method for using the seedling strengthening agent for rubber grass, which comprises the following steps: mixing and stirring the seedling strengthening agent for rubber grass with seedling soil, and placing the mixture in a sealed and dark environment for 10-15 h, and then loading the mixture into a seedling container, and performing conventional seedling cultivation and management.

[0036] Specifically, the amount of seedling soil is determined according to different seedbed cultivation and plastic seedling tray cultivation methods, and then the seedling strengthening agent is mixed and stirred uniformly, covered with plastic cloth, and left to stand overnight. The next day, the seedling tray or seedling pot is loaded, and the remaining operations are the same as general vegetable seedling cultivation, i.e., pouring water, sowing seeds, covering soil, covering film, and performing normal management after germination.

[0037] In still some embodiments of the present application, 700-900 rubber grass seedlings are cultivated per kilogram of the seedling strengthening agent. The seedling strengthening agent has high utilization efficiency and low cost, and is suitable for large-scale agricultural production.

[0038] The present application is described below by means of specific examples. It should be understood by those skilled in the art that the specific examples below are only for illustrative purposes, and do not limit the scope of the present application in any way. In addition, in the following examples, unless otherwise specified, the reagents and equipment used are commercially available. If specific treatment conditions and methods are not explicitly described in the following examples, the conditions and methods known in the art can be used for treatment.

[0039] Example 1

[0040] This embodiment discloses a seedling strengthening agent for rubber grass, which comprises the following raw materials in parts by mass: diammonium hydrogen phosphate 15 parts, potassium sulfate 20 parts, microbial agent 0.3 parts, activator 1.2 parts, biological agent 0.5 parts, and trace elements 0.3 parts.

[0041] The microorganism agent comprises Trichoderma harzianum and Bacillus subtilis at a mass ratio of 1.5:1, the activator comprises nanometer carbon and humic acid at a mass ratio of 1:4, the biological agent is selected from nicotine and tea polyphenol, and the mass ratio of the nicotine to the tea polyphenol is 1:4.

[0042] The preparation method of the rubber grass seedling strengthening agent is as follows: diammonium phosphate, potassium sulfate, a microorganism agent, a biological agent, and trace elements are sequentially added into a reaction kettle with a temperature of 30-40°C, and fully stirred until uniform, with a stirring speed of 150-200 rpm; after cooling to room temperature, an activator is added and continuously stirred until mixed uniformly, with a stirring speed of 400-500 rpm, to obtain the rubber grass seedling strengthening agent.

[0043] The rubber grass seedling strengthening agent is mixed with nursery soil and stirred uniformly, placed in a sealed and dark environment for 12 h, and then loaded into a nursery container, with 800 rubber grass seedlings per kilogram of the seedling strengthening agent, and then subjected to normal nursery, watering, sowing, soil covering, film covering, and post-emergence management.

[0044] Example 2

[0045] The rubber grass seedling strengthening agent comprises the following raw materials in mass fractions: diammonium phosphate 12 parts, potassium sulfate 18 parts, a microorganism agent 0.2 part, an activator 1.5 parts, a biological agent 0.6 part, and trace elements 0.2 part.

[0046] The microorganism agent comprises Trichoderma harzianum and Bacillus subtilis at a mass ratio of 2:1, the activator comprises nanometer carbon and humic acid at a mass ratio of 1:3, the biological agent is selected from nicotine and tea polyphenol, and the mass ratio of the nicotine to the tea polyphenol is 1:3.

[0047] The preparation method of the rubber grass seedling strengthening agent is as follows: diammonium phosphate, potassium sulfate, a microorganism agent, a biological agent, and trace elements are sequentially added into a reaction kettle with a temperature of 30-40°C, and fully stirred until uniform, with a stirring speed of 150-200 rpm; after cooling to room temperature, an activator is added and continuously stirred until mixed uniformly, with a stirring speed of 400-500 rpm, to obtain the rubber grass seedling strengthening agent.

[0048] The rubber grass seedling strengthening agent is mixed with nursery soil and stirred uniformly, placed in a sealed and dark environment for 15 h, and then loaded into a nursery container, with 900 rubber grass seedlings per kilogram of the seedling strengthening agent, and then subjected to normal nursery, watering, sowing, soil covering, film covering, and post-emergence management.

[0049] Example 3

[0050] The rubber grass seedling strengthening agent is prepared by adding diammonium phosphate, potassium sulfate, microbial agent, biological agent and trace elements into a reaction kettle with a temperature of 30-40 DEG C in sequence, fully stirring until uniform, cooling to room temperature, adding an activator and continuously stirring until mixed uniformly at a stirring speed of 400-500 rpm.

[0051] The microbial agent comprises Trichoderma harzianum and Bacillus subtilis in a mass ratio of 1:1, the activator comprises nano-carbon and fulvic acid in a mass ratio of 1:5, the biological agent is selected from nicotine and tea polyphenol, and the mass ratio of the nicotine to the tea polyphenol is 1:6.

[0052] The rubber grass seedling strengthening agent is prepared by adding diammonium phosphate, potassium sulfate, microbial agent, biological agent and trace elements into a reaction kettle with a temperature of 30-40 DEG C in sequence, fully stirring until uniform, cooling to room temperature, adding an activator and continuously stirring until mixed uniformly at a stirring speed of 400-500 rpm.

[0053] The rubber grass seedling strengthening agent is prepared by adding diammonium phosphate, potassium sulfate, microbial agent, biological agent and trace elements into a reaction kettle with a temperature of 30-40 DEG C in sequence, fully stirring until uniform, cooling to room temperature, adding an activator and continuously stirring until mixed uniformly at a stirring speed of 400-500 rpm.

[0054] Example 4

[0055] The rubber grass seedling strengthening agent is prepared by adding diammonium phosphate, potassium sulfate, microbial agent, biological agent and trace elements into a reaction kettle with a temperature of 30-40 DEG C in sequence, fully stirring until uniform, cooling to room temperature, adding an activator and continuously stirring until mixed uniformly at a stirring speed of 400-500 rpm.

[0056] The microbial agent comprises Trichoderma harzianum and Bacillus subtilis in a mass ratio of 2.5:1, the activator comprises nano-carbon and humic acid in a mass ratio of 1:4, the biological agent is selected from nicotine and tea polyphenol, and the mass ratio of the nicotine to the tea polyphenol is 1:3.

[0057] The rubber grass seedling strengthening agent is prepared by adding diammonium phosphate, potassium sulfate, microbial agent, biological agent and trace elements into a reaction kettle with a temperature of 30-40 DEG C in sequence, fully stirring until uniform, cooling to room temperature, adding an activator and continuously stirring until mixed uniformly at a stirring speed of 400-500 rpm.

[0058] The rubber grass seedling strengthening agent is prepared by adding diammonium phosphate, potassium sulfate, microbial agent, biological agent and trace elements into a reaction kettle with a temperature of 30-40 DEG C in sequence, fully stirring until uniform, cooling to room temperature, adding an activator and continuously stirring until mixed uniformly at a stirring speed of 400-500 rpm.

[0059] The rubber grass seedling raising survival rate and yield of Examples 1-4 are counted and summarized in Table 1.

[0060] Table 1

[0061] Example 1 Example 2 Example 3 Example 4 % of survival 97 97 96 97 Yield per mu 206 197 212 201 Rubber content 36 32 35 33

[0062] As shown in Table 1, the strong seedling agent prepared by the application and the special use method can make the rubber grass achieve good survival rate and yield, and the rubber content in the rubber grass is rich.

[0063] Comparative Example 1

[0064] Comparative Example 1 is basically the same as Example 1, the only difference is that the rubber grass strong seedling agent includes the following mass fractions of raw materials: diammonium phosphate 15 parts, potassium sulfate 20 parts, microbial agent 0.3 parts, activator 1.2 parts, trace elements 0.3 parts.

[0065] Comparative Example 2

[0066] Comparative Example 2 is basically the same as Example 1, the only difference is that the rubber grass strong seedling agent includes the following mass fractions of raw materials: diammonium phosphate 15 parts, potassium sulfate 20 parts, microbial agent 0.3 parts, biological agent 0.5 parts, trace elements 0.3 parts.

[0067] Comparative Example 3

[0068] Comparative Example 3 is basically the same as Example 1, the only difference is that the rubber grass strong seedling agent includes the following mass fractions of raw materials: diammonium phosphate 15 parts, potassium sulfate 20 parts, activator 1.2 parts, biological agent 0.5 parts, trace elements 0.3 parts.

[0069] Comparative Example 4

[0070] Comparative Example 4 is basically the same as Example 1, the only difference is that the rubber grass strong seedling agent includes the following mass fractions of raw materials: diammonium phosphate 15 parts, potassium chloride 20 parts, microbial agent 0.3 parts, activator 1.2 parts, biological agent 0.5 parts, trace elements 0.3 parts.

[0071] The rubber grass seedling raising survival rate and yield of Comparative Examples 1-4 are counted and summarized in Table 2.

[0072] Table 2

[0073] Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 % of survival 81 83 75 86 Yield per mu 152 159 141 173 Rubber content 20 21 21 22

[0074] As shown in Table 2, the biological agent, the activating agent and the microbial agent in the strong seedling agent for rubber grass complement each other, and the rubber grass has good seedling survival rate, yield per mu and rubber content only when the several raw materials jointly act; in addition, even if the inorganic potassium fertilizer is the same, the effect of using potassium sulfate in the application is obviously better than that of potassium chloride.

[0075] Comparative Example 5

[0076] Comparative Example 5 is basically the same as Example 1, and the only difference is that the mass ratio of Trichoderma harzianum and Bacillus subtilis is 3:1.

[0077] Comparative Example 6

[0078] Comparative Example 6 is basically the same as Example 1, and the only difference is that the mass ratio of Trichoderma harzianum and Bacillus subtilis is 0.5:1.

[0079] Comparative Example 7

[0080] Comparative Example 7 is basically the same as Example 1, and the only difference is that the microbial agent is single Trichoderma harzianum.

[0081] Comparative Example 8

[0082] Comparative Example 8 is basically the same as Example 1, and the only difference is that the microbial agent is single Bacillus subtilis.

[0083] Comparative Example 9

[0084] Comparative Example 9 is basically the same as Example 1, and the only difference is that the activating agent is nano-carbon and humic acid with a mass ratio of 1:2.

[0085] Comparative Example 10

[0086] Comparative Example 10 is basically the same as Example 1, and the only difference is that the activating agent is nano-carbon and humic acid with a mass ratio of 1:6.

[0087] Comparative Example 11

[0088] Comparative Example 11 is basically the same as Example 1, and the only difference is that the activating agent is single humic acid.

[0089] The rubber grass seedling survival rate and yield of Comparative Examples 5-11 are counted and summarized in Table 3.

[0090] Table 3

[0091]

[0092] From table 3, the specific composition of microbial inoculant and the ratio between inoculants have great influence on the survival rate of rubber grass, yield per mu, rubber content, etc., and the microbial inoculant is preferably Trichoderma harzianum and Bacillus subtilis in a mass ratio of 1-2.5:1; in addition, the selection of the activator will affect the survival rate and yield per mu of rubber grass, and when the activator is single humic acid, the rubber content in rubber grass will also be greatly reduced, therefore, the activator is preferably a mixture of nano-carbon and humic acid / or fulvic acid in a mass ratio of 1:3-5.

[0093] Comparative example 12

[0094] Comparative example 12 is basically the same as example 1, and the only difference is that the rubber grass is mixed with the seedling strengthening agent and the seedling soil and stirred uniformly, placed in a sealed, natural light irradiation environment for 12 h, and then loaded into a seedling container, 800 seedlings of rubber grass per kilogram of the seedling strengthening agent are cultivated, and the seedlings are managed normally after conventional seedling culture, watering, sowing, soil covering, mulching and emergence.

[0095] Comparative example 13

[0096] Comparative example 13 is basically the same as example 1, and the only difference is that the rubber grass is mixed with the seedling strengthening agent and the seedling soil and stirred uniformly, placed in an open, dark environment for 12 h, and then loaded into a seedling container, 800 seedlings of rubber grass per kilogram of the seedling strengthening agent are cultivated, and the seedlings are managed normally after conventional seedling culture, watering, sowing, soil covering, mulching and emergence.

[0097] Comparative example 14

[0098] Comparative example 14 is basically the same as example 1, and the only difference is that the rubber grass is mixed with the seedling strengthening agent and the seedling soil and stirred uniformly, and then loaded into a seedling container, 800 seedlings of rubber grass per kilogram of the seedling strengthening agent are cultivated, and the seedlings are managed normally after conventional seedling culture, watering, sowing, soil covering, mulching and emergence.

[0099] The survival rate and yield of rubber grass seedlings of comparative examples 12-14 are counted and summarized in table 4.

[0100] Table 4

[0101] Comparative Example 12 Comparative Example 13 Comparative Example 14 % of survival 85 90 74 Yield per mu 172 175 152 Rubber content 28 31 22

[0102] From table 4, the use mode of the seedling strengthening agent for rubber grass also has great influence on the yield, survival rate and rubber content of rubber grass, specifically, the step of placing the mixture of the seedling strengthening agent and the seedling soil in a dark, sealed condition for standing is essential, which can make the seedling strengthening agent and the seedling soil mix better, improve the survival rate during seedling culture, the yield of rubber grass and the rubber content in rubber grass, and increase the rubber yield.

[0103] In the description of the specification, the description of the terms "one embodiment", "another embodiment", "yet another embodiment", "some embodiments", "some specific embodiments", "some other specific embodiments" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment are included in at least one embodiment of the present application. In the specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Also, the specific features, structures, materials or characteristics described can be combined in any suitable manner in one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples, without contradiction. In addition, it should be noted that in the specification, the terms "first", "second" are for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated.

[0104] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and cannot be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. A method for using a seedling strengthening agent for rubber grass, characterized by, The rubber grass seedling strengthening agent comprises the following raw materials in parts by mass: diammonium phosphate 15 parts, potassium sulfate 20 parts, microbial agent 0.3 parts, activating agent 1.2 parts, biological agent 0.5 parts, and trace elements 0.3 parts; the microbial agent is Trichoderma harzianum and Bacillus subtilis, and the mass ratio of the Trichoderma harzianum to the Bacillus subtilis is 1-2.5:1; the activating agent is nano-carbon and humic acid, and the mass ratio of the nano-carbon to the humic acid is 1:3-5; the biological agent is nicotine and tea polyphenol, and the mass ratio of the nicotine to the tea polyphenol is 1:3-6; The rubber grass seedling strengthening agent is mixed with the seedling soil and stirred uniformly, and is placed in a sealed and dark environment for 10-15 hours, and then is loaded into a seedling container, and is subjected to conventional seedling raising and management.

2. The method of using the seedling strengthening agent for rubber grass according to claim 1, characterized in that, 700-900 rubber grass seedlings are cultivated per kilogram of the seedling strengthening agent.

3. The method of using the seedling strengthening agent for rubber grass according to claim 1, characterized in that, The preparation method of the rubber grass seedling strengthening agent comprises the following steps: (1) diammonium phosphate, potassium sulfate, microbial agent, biological agent and trace elements are sequentially added into a reaction kettle, and are fully stirred until uniform; (2) the activating agent is added and continues to be stirred until mixed uniformly, and the seedling strengthening agent is obtained.

4. The method of using the seedling strengthening agent for rubber grass according to claim 3, characterized in that, In step (1) of the preparation method of the rubber grass seedling strengthening agent, the temperature of the reaction kettle is set to 30-40 DEG C, and is cooled to room temperature after being stirred until uniform.

5. The method of using the seedling strengthening agent for rubber grass according to claim 3, characterized in that, In step (1), the stirring speed is 150-200 rpm; In step (2), the stirring speed is 400-500 rpm.

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