Embedded immobilization microbial fertilizer and its preparing method
A technology for immobilizing microorganisms and fertilizers, applied to the direction of fixing on/in organic carriers, organic fertilizers, etc., can solve problems such as poor immobilization effect, insufficient particle hardness, and reduce the concentration of bacteria in embedded particles, so as to improve Sustainable utilization, simple production process, increased yield and improved crop quality
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Embodiment 1
[0032] An embedded and immobilized microbial fertilizer has the following raw material components: 20 kg of embedded bacteria and 80 kg of embedding agent.
[0033] Preparation method, concrete steps are as follows:
[0034] 1. Take the Bacillus megaterium bacterial liquid in the logarithmic growth phase, centrifuge it on a centrifuge at 5000r / min for 20min, and weigh 20kg of the precipitate as the embedded bacteria;
[0035] 2. Dissolve sodium alginate in water at a temperature of 70-90°C to make an aqueous solution with a concentration of 8%wt; take gelatin and dissolve it in water at a temperature of 70-90°C to make an aqueous solution with a concentration of 8%wt; Mix the above two aqueous solutions in a volume ratio of 1:1 to obtain an embedding agent solution;
[0036] 3. Take CaCl 2 Dissolve in water to make 2.2% CaCl by weight 2 aqueous solution;
[0037] 4. Add 20 kg of embedded bacteria into 80 kg of embedding agent solution and mix evenly to obtain a mixed solut...
Embodiment 2
[0042] An embedded and immobilized microbial fertilizer has the following raw material components: 10 kg of embedded bacteria and 90 kg of embedding agent.
[0043] Preparation method, concrete steps are as follows:
[0044] 1. Take the silicate bacteria solution in the logarithmic growth phase, centrifuge at 5000r / min for 20min in a centrifuge, weigh 10 kg of the precipitate, and obtain the embedded bacteria;
[0045] 2. Dissolve sodium alginate in water at a temperature of 70-90°C to make an aqueous solution with a concentration of 6%wt; take gelatin and dissolve it in water at a temperature of 70-90°C to make an aqueous solution with a concentration of 6%wt; Mix the above two aqueous solutions in a volume ratio of 1:1 to obtain an embedding agent solution;
[0046] 3. Take CaCl 2 Dissolve in water to make 2.2% CaCl by weight 2 aqueous solution;
[0047] 4. Add 10 kg of embedding bacteria into 90 kg of embedding agent solution and mix evenly to obtain a mixed solution fo...
Embodiment 3
[0052] The raw material components of an embedded and immobilized microbial fertilizer are as follows: 30 kg of embedded bacteria and 70 kg of embedding agent.
[0053] Preparation method, concrete steps are as follows:
[0054] 1. Take the Azotobacter rotundum bacteria solution in the logarithmic growth phase, centrifuge it on a centrifuge at 5000r / min for 20min, weigh 30kg of the precipitate, and obtain the embedded bacteria;
[0055] 2. Dissolve sodium alginate in water at a temperature of 70-90°C to make an aqueous solution with a concentration of 7%wt; take gelatin and dissolve it in water at a temperature of 70-90°C to make an aqueous solution with a concentration of 7%wt; Mix the above two aqueous solutions in a volume ratio of 1:1 to obtain an embedding agent solution;
[0056] 3. Take CaCl 2 Dissolve in water to make 2.2% CaCl by weight 2 aqueous solution;
[0057] 4. Add 30 kg of embedded bacteria into 70 kg of embedding agent solution and mix evenly to obtain a ...
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