Powder-stabilized medium-quantity element water-soluble fertilizer and preparation method thereof
A medium-element, stable technology, applied in magnesium fertilizers, phosphate fertilizers, inorganic fertilizers, etc., can solve the problems of difficult application in chlorine-avoiding crops, decrease in yield and quality, and increase nitrogen fixation capacity, and improve operability and equipment. Simple and effective in promoting the dissolution of calcium sulfate
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Embodiment 1
[0036] A powder-stable medium-element water-soluble fertilizer and a preparation method thereof, comprising the following steps:
[0037] 1. Modification of hydroxypropyl-β-cyclodextrin:
[0038] Take hydroxypropyl-β-cyclodextrin, oxidative bacteria G, fulvic acid, yeast extract, CaCO 3 After mixing with water, it was sealed and fermented at 30°C for 20 days. The purity of the selected hydroxypropyl-β-cyclodextrin was ≥98%, and the degree of substitution was greater than 4.0. The oxidizing bacteria G was Gluconobacter, purchased from Bei Nachuang Lian Biotechnology Co., Ltd., the strain number is BNCC136834. Oxidative bacteria G belongs to Gram-negative bacteria. The cells are rod-shaped and oval. They have strict respiratory metabolism and have the effect of oxidizing alcoholic hydroxyl groups. Perform a sterile stirring and mixing operation to make the oxidizing bacteria G at the optimum growth pH and obtain sufficient sterile air. The mass percentage of each component is h...
Embodiment 2
[0051] A powder-stable medium-element water-soluble fertilizer and a preparation method thereof, comprising the following steps:
[0052] 1. Modification of hydroxypropyl-β-cyclodextrin:
[0053] Take hydroxypropyl-β-cyclodextrin, oxidative bacteria G, fulvic acid, yeast extract, CaCO 3 After mixing with water, it was sealed and fermented at 30°C for 20 days. The purity of the selected hydroxypropyl-β-cyclodextrin was ≥98%, and the degree of substitution was greater than 4.0. The oxidizing bacteria G was Gluconobacter, purchased from Bei Nachuang Lian Biotechnology Co., Ltd., the strain number is BNCC136834. Oxidative bacteria G belongs to Gram-negative bacteria. The cells are rod-shaped and oval. They have strict respiratory metabolism and have the effect of oxidizing alcoholic hydroxyl groups. Perform a sterile stirring and mixing operation to make the oxidative bacteria G at the optimum growth pH and obtain sufficient sterile air. The mass percentage of each component is h...
Embodiment 3
[0066] A powder-stable medium-element water-soluble fertilizer and a preparation method thereof, comprising the following steps:
[0067] 1. Modification of hydroxypropyl-β-cyclodextrin:
[0068] Take hydroxypropyl-β-cyclodextrin, oxidative bacteria G, fulvic acid, yeast extract, CaCO 3 After mixing with water, it was sealed and fermented at 30°C for 20 days. The purity of the selected hydroxypropyl-β-cyclodextrin was ≥98%, and the degree of substitution was greater than 4.0. The oxidizing bacteria G was Gluconobacter, purchased from Bei Nachuang Lian Biotechnology Co., Ltd., the strain number is BNCC136834. Oxidative bacteria G belongs to Gram-negative bacteria. The cells are rod-shaped and oval. They have strict respiratory metabolism and have the effect of oxidizing alcoholic hydroxyl groups. Perform a sterile stirring and mixing operation to make the oxidizing bacteria G at the optimum growth pH and obtain sufficient sterile air. The mass percentage of each component is 6...
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