A kind of microbial fertilizer and its preparation method and application
A technology of microbial inoculum and microbial fertilizer is applied in the field of soil conditioner to achieve the effects of improving soil environment, increasing crop yield and prolonging shelf life
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Embodiment 1
[0023] Embodiment 1: No. 1 microbial fermentation production of salt solution
[0024] First activate the No. 1 bacterial strain of Jieyan, and then rinse the slope with 5ml of sterile water to form a bacterial suspension. The bacterial suspension is placed in a 500ml triangular flask containing 100ml of No. 1 liquid medium, and cultured on a shaker for 24 hours, the culture condition is 28°C, 180-200rpm, the concentration of bacteria is detected, and when the concentration reaches 10 8 Order of magnitude; the bacterial liquid in the 500ml Erlenmeyer flask is transferred to a 500L fermenter containing 250L No. 2 medium according to the inoculum amount of 5%, the insertion amount is 12.5L, and the fermentation conditions are: temperature 28-30°C, Air flow 18m 3 / h, the rotating speed is 0-6h 200rpm, 6-8h 300rpm, 8h to the end of fermentation 400rpm, cultivate for 26 hours, detect the concentration of bacteria, when the concentration reaches 10 8 Order of magnitude; the bacter...
Embodiment 2
[0025] Embodiment 2: the preparation of microbial fertilizer
[0026]The microbial strain agent that embodiment 1 is made is further processed into microbial fertilizer according to the prescription provided by the present invention. Specifically, in the final microbial fertilizer, fulvic acid 110g / L, potassium dihydrogen phosphate 12g / L, phosphoric acid 20g / L, zinc sulfate 40g / L, ferrous sulfate 95g / L, ammonium molybdate 2g / L , copper sulfate 10g / L, manganese sulfate 5g / L, borax 90g / L, microbial strain agent 100g / L
Embodiment 3
[0027] The preparation of embodiment 3 microbial fertilizer
[0028] The microbial strain agent that embodiment 1 is made is further processed into microbial fertilizer according to the prescription provided by the present invention. Specifically, in the microbial fertilizer finally made, microbial strain agent 50g / L, fulvic acid 30g / L, potassium dihydrogen phosphate 10g / L, phosphoric acid 15g / L, zinc sulfate 37g / L, ferrous sulfate 81g / L L, copper sulfate 8g / L, manganese sulfate 3g / L, borax 83g / L.
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