Compound microbial fertilizer as well as preparation method and application thereof
A technology of compound microbial bacteria and compound microbial agent, which is applied in the field of compound microbial fertilizer and its preparation, can solve the problems of short shelf life and substandard effective bacteria group of microbial fertilizer, and achieve the effect of extending the shelf life
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Embodiment 1
[0065] The composite microbial bacterial fertilizer of embodiment 1 is obtained through the following operation steps:
[0066] According to the dosage in Table 1, Bacillus subtilis, Bacillus licheniformis, Azospirillum brasiliensis and plant lactic acid bacteria are mixed, and stirred to obtain a composite microbial inoculum;
[0067] Preparation of double-walled composite microbial bacteria microcapsules, preparation of adsorbent: weigh 4.23 kg of diatomaceous earth, add 0.02 kg of nano-carbon, mix evenly, soak in 1 mol / L hydrochloric acid solution for 48 hours, rinse with water until neutral, filter, Put it into an oven and dry it at 105°C to constant weight to obtain an adsorbent;
[0068] Adsorption of nutrients: weigh 0.142kg of beef extract and 0.283kg of peptone, dissolve in water, sterilize at 121°C for 30min, then slowly pour them into the adsorbent described in step (1) of 0.425kg, stir at the same time, and let stand for 1h , and the core material A is obtained by...
Embodiment 2-5
[0077] The composite microbial bacterial fertilizers of Examples 2-5 are exactly the same as the preparation methods and types of raw materials of Example 1, and the difference is that the dosage of each raw material in the composite microbial bacterial fertilizer is different, as shown in Table 1 for details.
[0078] raw material Example 1 Example 2 Example 3 Example 4 Example 5 Bacillus subtilis 4 4 4 4 4 Bacillus licheniformis 4 4 4 4 4 Azospirillum brasiliensis 7 7 7 7 7 plant lactobacillus 5 7 8 9 10
[0079] raw material Example 1 Example 2 Example 3 Example 4 Example 5 trehalose 25 25 25 25 25 Humic acid 15 15 15 15 15
[0080] The dosage of each raw material (unit: kg) of table 3 embodiment 1-5 compound microbial bacterial fertilizer
[0081]
Embodiment 6-7
[0083] The composite microbial bacterial fertilizers of Examples 6-7 are exactly the same as the preparation method and raw material types of Example 1, the difference is that the content of each raw material in the composite microbial bacterial fertilizer is different, as shown in Table 4 for details.
[0084] raw material Example 6 Example 7 Double-walled composite microbial microcapsules 4 4 plant ash 23 23 synergist 5 5 bentonite 2 2 calcium ammonium nitrate 25 25 superphosphate 15 15 Potassium sulfate 15 15 Montmorillonite powder 8 10 Chelated Zinc Fertilizer 8 8
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