Composite bacteria, and preparation method and application thereof in preparation of sweet potato fertilizer
A technology of compound bacteria and fertilizer, applied in urea compound fertilizer, biochemical equipment and method, fertilizer made of biological waste, etc., can solve the problem of low average yield per mu of sweet potato, and achieve the effect of increasing yield
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[0033] The preparation method of described sweet potato fertilizer, comprises the following steps:
[0034] S1: Mix peat, sucrose bagasse, poplar biochar, potassium fulvic acid, kaolin, urea, mannitol, sodium molybdate, and compound bacteria in proportion by weight. Ultrasonic power is 150-200W and temperature is 50-55°C Fermentation is carried out under the condition of fermenting for 4-6 days to obtain a fermented liquid;
[0035] The preparation method of the composite bacteria described in step S1 comprises the following steps:
[0036] a, the colloid bacillus, nitrifying bacteria, photosynthetic bacteria, rhizobia, phosphorus bacteria, and potassium bacteria are activated and expanded at a temperature of 23-25 ° C in proportion to be used for subsequent use;
[0037] b. Mix the spores, nitrifying bacteria, saccharomyces, photosynthetic bacteria, rhizobium, phosphorus bacteria, and potassium bacteria after expanding the culture in step a and add biological growth stimul...
Embodiment 1
[0042] A sweet potato fertilizer, in parts by weight, comprising the following raw materials: 58 parts of peat, 44 parts of bagasse, 24 parts of poplar biochar, 15 parts of potassium fulvic acid, 16 parts of kaolin, 12 parts of urea, 4 parts of mannitol , 0.8 parts of sodium molybdate, 3.5 parts of composite bacteria, 2 parts of polyethylene oxide, 0.6 parts of brassinolide, 0.3 parts of chitosan oligosaccharide;
[0043] The composite bacterium includes the following raw materials in parts by weight: 20 parts of colloidal bacillus, 15 parts of nitrifying bacteria, 5 parts of photosynthetic bacteria, 6 parts of rhizobia, 3 parts of phosphorus bacteria, and 4 parts of potassium bacteria;
[0044] The preparation method of described sweet potato fertilizer, comprises the following steps:
[0045] S1: Mix peat, sucrose bagasse, poplar biochar, potassium fulvic acid, kaolin, urea, mannitol, sodium molybdate, and compound bacteria in proportion by weight, and ferment at an ultrason...
Embodiment 2
[0052] A sweet potato fertilizer, in parts by weight, comprising the following raw materials: 63 parts of peat, 48 parts of bagasse, 26 parts of poplar biochar, 20 parts of potassium fulvic acid, 19 parts of kaolin, 16 parts of urea, 5 parts of mannitol , 1 part of sodium molybdate, 4.5 parts of composite bacteria, 3.2 parts of polyethylene oxide, 0.8 part of brassinolide, 0.4 part of chitosan oligosaccharide;
[0053] The composite bacterium includes the following raw materials in parts by weight: 30 parts of colloidal bacillus, 25 parts of nitrifying bacteria, 7 parts of photosynthetic bacteria, 8 parts of rhizobia, 5 parts of phosphorus bacteria, and 6 parts of potassium bacteria;
[0054] The preparation method of described sweet potato fertilizer, comprises the following steps:
[0055] S1: Mix peat, bagasse, poplar biochar, potassium fulvic acid, kaolin, urea, mannitol, sodium molybdate, and compound bacteria in proportion by weight, and ferment at an ultrasonic power of...
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