Bacterium-containing soil fertilizer as well as preparation method and application thereof
By spraying symbiotic functional bacteria on high-content nitrogen, phosphorus and potassium solid fertilizer particles to form bacteria-containing soil fertilizer, and applying it to field soil through base fertilizer, the problems of low survival rate and insufficient nutrient content of existing bacteria-containing fertilizers are solved, and the problem is achieved Efficient fertilizer use and increased crop yields.
Patent Information
- Application Number
- CN202411390672.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-01-24
AI Technical Summary
Existing bacteria-containing fertilizers have problems with low survival rates and insufficient nutrient content, which leads to poor results in large-area crop cultivation, and high-content fertilizers lead to microbial inactivation due to excessive salt concentration.
The use of a bacterial soil fertilizer, spraying the symbiotic function bacteria of the United States Biowish Technologies on the high content of nitrogen, phosphorus, potassium solid fertilizer particles, forms a binding of solid fertilizer particles and functional bacteria, and applies field soil through bottom fertilizer.
It has significantly improved the use of fertilizer efficiency, solved the problem of low nutrient content and microorganisms, increased the resistance and output of crops, increased the probability of production by 88.07%, and achieved an average increase in production by 9.12%.
Smart Images
Figure CN119350113A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of fertilizers, and in particular to a bacteria-containing soil fertilizer and a preparation method and application thereof. Background Art
[0002] Symbiotic functional bacteria are a type of microbial community that can exist in the roots of plants and directly exert their functions. Their main uses are to promote root growth, enhance crop resistance, improve soil environment and increase yield.
[0003] At present, there are mycorrhizal inoculation technology and bacterial fertilizers on the market. The former is to inoculate symbiotic functional bacteria into the root system through manual operation; the latter is to directly supplement the number of beneficial bacteria into the soil. Mycorrhizal inoculation requires artificial inoculation of symbiotic bacteria into the root system of plants. The process is relatively complicated and is mostly used for flowers and fruit trees. It is not suitable for large-scale crop planting. There are two problems with bacterial fertilizers. First, when added to the soil, the survival rate is greatly reduced because the spatial competitiveness of the microorganisms in the fertilizer is far inferior to the complex bacterial flora already existing in the soil, and is affected by soil conditions (over-acidity, over-alkalinity, low organic matter, drought, etc.), and the expected effect cannot be achieved; the second point is that the nitrogen, phosphorus and potassium content in the compound microbial fertilizer is low, generally not exceeding 20-25%, because too high a content will cause the inactivation of microorganisms due to excessive salt concentration. In order to meet the needs of crop growth, it must be combined with other chemical fertilizers, which increases the planting cost. Summary of the invention
[0004] The purpose of the present invention is to provide a bacteria-containing soil fertilizer and a preparation method and application thereof in view of the above-mentioned deficiencies in the prior art.
[0005] The bacteria-containing soil fertilizer of the present invention comprises solid fertilizer particles and symbiotic functional bacteria sprayed on the surface of the solid fertilizer particles, wherein the symbiotic functional bacteria are Bacillus subtilis, Bacillus amyloliquefaciens, Bacillus licheniformis and Bacillus pumilus.
[0006] Furthermore, the nitrogen, phosphorus and potassium content of the solid fertilizer granules exceeds 40%.
[0007] A method for preparing a bacteria-containing soil fertilizer as described above comprises adding solid fertilizer particles into a drum, spraying a symbiotic functional bacteria stock solution onto the solid fertilizer particles while the drum is running, and obtaining the bacteria-containing soil fertilizer after cooling.
[0008] Furthermore, the mass volume ratio of the solid fertilizer to the functional bacteria stock solution is 0.8-1.5t\L.
[0009] Furthermore, the temperature inside the drum does not exceed 60°C.
[0010] Further, the temperature is cooled to 35°C or below within 24 hours.
[0011] An application of a bacterial soil fertilizer as described above, directly applied to field soil.
[0012] The American symbiotic functional bacteria introduced in the present invention include Bacillus, including Bacillus subtilis, Bacillus amyloliquefaciens, Bacillus licheniformis and Bacillus pumilus (purchased from BIOWISH TECHNOLOGIES, USA). These four types of microorganisms have the following advantages over similar Bacillus: 1. They can survive between pH 3.5 and 9.5; 2. They can tolerate salinity up to 35‰-seawater salinity level; 3. They have low oxygen content (0.5ppm) and are active under water immersion conditions; 4. They remain active when the water content is below the wilting point; 5. They are still active under barren (very low nutrient level) conditions.
[0013] The present invention directly sprays the endophytic functional bacteria of the American BIOWISH TECHNOLOGIES Company on the surface of high-content fertilizer particles with a total nutrient content of nitrogen, phosphorus and potassium greater than 40%, and then applies it to field soil in the form of base fertilizer. Later, as the crop root system absorbs nutrients, the microorganisms are directly brought into the root system to form a root-food cycle, which significantly improves the fertilizer efficiency and utilization rate, solves the problem that the nutrient content of the bacterial fertilizer is low and must be applied in combination with other chemical fertilizers, and also solves the long-standing problem of microbial inactivation due to excessively high salt concentration in high-content fertilizers.
[0014] After using the bacterial soil fertilizer of the present invention, crops have more white roots, thick stems, thick and dark green leaves, strong crop resistance, and ultimately effectively improve yield and quality. After collecting 109 sets of data nationwide, the probability of increased production is 88.07%, and the average increase in production is 9.12%. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 These are photos of wheat seedlings in the experimental and control groups after 25 days of growth.
[0016] Figure 2 These are photos of wheat seedlings in the experimental and control groups after 30 days of growth.
[0017] Figure 3 Data graph of using the bacterial soil fertilizer of the present invention for crops. DETAILED DESCRIPTION
[0018] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0019] Example 1
[0020] A method for preparing bacteria-containing soil fertilizer comprises the following steps: adding solid fertilizer particles into a drum; spraying a symbiotic functional bacteria stock solution on the solid fertilizer particles when the drum is running; and obtaining the bacteria-containing soil fertilizer after cooling.
[0021] The solid fertilizers here are mixed fertilizers with total nutrient contents of nitrogen, phosphorus and potassium of 44%, 45%, 46% and 49%.
[0022] The symbiotic functional bacteria stock solution is purchased from the endogenous functional bacteria of BIOWISH TECHNOLOGIES in the United States. The bacterial solution contains four microorganisms, namely Bacillus subtilis, Bacillus licheniformis, Bacillus amyloliquefaciens and Bacillus pumilus.
[0023] Example 2
[0024] Application in Chuzhou, Anhui and Lianshui, Jiangsu:
[0025] The bacterial soil fertilizer prepared in Example 1 was packaged in 60 catties, and one bag was applied per mu as base fertilizer; the control group was a conventional fertilization scheme, with 100 catties of conventional three 15 balanced fertilizer or 80 catties of balanced fertilizer plus 20 catties of urea as base fertilizer. The bacterial soil fertilizer was reduced by 1-2 times of topdressing in the later stage, and the amount of topdressing in the later stage was only one-third of that in the conventional scheme. The comparison results showed that the bacterial soil fertilizer prepared in Example 1 had outstanding advantages in root growth, stem thickness, leaf color, etc.
[0026] Example 3
[0027] Application in Danyang and Yancheng, Jiangsu
[0028] Danyang and Tinghu used the bacteria-containing soil fertilizer prepared in Example 1 with a packaging specification of 80 catties, one bag per mu of land, and the control group used 80 catties of balanced fertilizer as the base fertilizer.
[0029] Sheyang used 100 catties of the bacterial soil fertilizer prepared in Example 1, one bag per mu of land, and the control group used 100 catties of balanced fertilizer as the base fertilizer.
[0030] The amount of base fertilizer used in the bacterial soil fertilizer was consistent with that in the control group. The bacterial soil fertilizer reduced 1-2 topdressings in the later stage, and the amount of topdressing in the later stage was only one-third of that in the conventional plan. The performance of various indicators such as roots, stems, leaves and differentiating young spikelets was more outstanding.
[0031] Figure 1 The photos of wheat seedlings in the experimental group and the control group in Example 2 grown for 25 days, the left side is the control group, the right side is the experimental group, Figure 1 It can be seen that the experimental group's roots, stems, leaves and differentiating spikelets are all better than the control group.
[0032] Figure 2 The photos of wheat seedlings in the experimental group and the control group in Example 3 grown for 30 days, the left side is the control group, the right side is the experimental group, Figure 1It can be seen that the experimental group's roots, stems, leaves and differentiating spikelets are all better than the control group.
[0033] After using the bacterial soil fertilizer of the present invention, crops have more white roots, thick stems, thick and dark green leaves, strong crop resistance, and ultimately effectively improve yield and quality. Figure 3 As shown, after 109 sets of data collection across the country, the probability of increased production was 88.07%, and the average increase in production was 9.12%.
[0034] For matters not mentioned above, the prior art applies.
[0035] Although some specific embodiments of the present invention have been described in detail through examples, those skilled in the art should understand that the above examples are for illustration only and are not intended to limit the scope of the present invention. Those skilled in the art to which the present invention belongs may make various modifications or supplements to the specific embodiments described or replace them in a similar manner, but they will not deviate from the direction of the present invention or exceed the scope defined by the attached claims. Those skilled in the art should understand that any modifications, equivalent substitutions, improvements, etc. made to the above embodiments based on the technical essence of the present invention should be included in the protection scope of the present invention.
Claims
1. A fungus-containing soil fertilizer, characterized in that: It comprises solid fertilizer particles and symbiotic functional bacteria sprayed on the surface of the solid fertilizer particles. The symbiotic functional bacteria are purchased from BIOWISH TECHNOLOGIES in the United States and are a mixed bacterial liquid of Bacillus subtilis, Bacillus amyloliquefaciens, Bacillus licheniformis and Bacillus pumilus.
2. The bacterial soil fertilizer according to claim 1, characterized in that: The nitrogen, phosphorus and potassium content of the solid fertilizer granules exceeds 40%.
3. The bacterial soil fertilizer according to claim 1, characterized in that: The nitrogen, phosphorus and potassium content of the solid fertilizer granules is 44%-49%.
4. A method for preparing a bacteria-containing soil fertilizer according to any one of claims 1 to 3, characterized in that: Solid fertilizer particles are added into the drum, and the symbiotic functional bacteria stock solution is sprayed on the solid fertilizer particles when the drum is running, and the bacteria-containing soil fertilizer is obtained after cooling.
5. The preparation method according to claim 4, characterized in that: The mass volume ratio of solid fertilizer to functional bacteria stock solution is 0.8-1.5t\L.
6. The preparation method according to claim 4, characterized in that: The temperature inside the drum does not exceed 60°C.
7. The preparation method according to claim 4, characterized in that: Cool to 35°C or below within 24 hours.
8. An application of a bacteria-containing soil fertilizer as claimed in any one of claims 1 to 3, characterized in that: Apply directly into field soil.