Special compound fertilizer rich in microbial agent for soybeans and preparation method of special compound fertilizer
A technology of microbial inoculants and compound fertilizers, applied in organic fertilizers, inorganic fertilizers, ammonium salt fertilizers, etc., can solve problems such as damage to soil structure, high planting cost, environmental pollution, etc., and achieves stimulation of plant growth, loose soil structure, The effect of improving soil physical properties
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Embodiment 1
[0031] A special compound fertilizer for soybeans rich in microbial inoculants, comprising the following components in parts by weight:
[0032]
[0033] Among them, soybean rhizobia is a powder, and the number of effective viable bacteria is ≥ 20 billion / g;
[0034] The preparation method comprises the following steps:
[0035] (1) urea, ammonium sulfate, monoammonium phosphate, potassium sulfate, superphosphate and zinc sulfate heptahydrate are broken into powder respectively;
[0036] (2) Fully mix the crushed urea, ammonium sulfate, monoammonium phosphate, potassium sulfate, superphosphate and zinc sulfate heptahydrate with sodium octaborate tetrahydrate, soybean rhizobia and bentonite;
[0037] (3) Extruding and granulating uniformly mixed raw materials to prepare a special compound fertilizer for soybeans rich in microbial agents.
Embodiment 2
[0039] A special compound fertilizer for soybeans rich in microbial inoculants, comprising the following components in parts by weight:
[0040]
[0041]
[0042] Among them, Azotobacter rotundum is a powder, and the number of effective viable bacteria is ≥20 billion / g;
[0043] The preparation method comprises the following steps:
[0044] (1) urea, ammonium sulfate, monoammonium phosphate, potassium sulfate, superphosphate and zinc sulfate heptahydrate are broken into powder respectively;
[0045] (2) Fully mix the crushed urea, ammonium sulfate, monoammonium phosphate, potassium sulfate, superphosphate and zinc sulfate heptahydrate with sodium octaborate tetrahydrate, Azotobacter terrophylla and bentonite;
[0046] (3) The uniformly mixed raw materials are granulated by a drum to prepare a special compound fertilizer rich in microbial agents for soybeans.
Embodiment 3
[0048] A special compound fertilizer for soybeans rich in microbial inoculants, comprising the following components in parts by weight:
[0049]
[0050]
[0051] Among them, Bacillus subtilis is a powder, and the number of effective viable bacteria is ≥20 billion / g;
[0052] The preparation method comprises the following steps:
[0053] (1) urea, ammonium sulfate, monoammonium phosphate, potassium sulfate, superphosphate and zinc sulfate heptahydrate are broken into powder respectively;
[0054] (2) Fully mix the crushed urea, ammonium sulfate, monoammonium phosphate, potassium sulfate, superphosphate and zinc sulfate heptahydrate with sodium octaborate tetrahydrate, Bacillus subtilis and bentonite;
[0055] (3) The uniformly mixed raw materials are granulated by a drum to prepare a special compound fertilizer rich in microbial agents for soybeans.
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