A kind of stable calcium-containing macroelement water-soluble fertilizer and preparation method thereof
A large amount of elements, stable technology, applied in the direction of calcium fertilizer, urea compound fertilizer, nitrogen fertilizer, etc., can solve the problems that are not easy to apply to chlorine-avoiding crops, yield and quality decline, increase nitrogen fixation capacity, etc., to improve operability, Effect of reducing surface tension and promoting dissolution
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Embodiment 1
[0034] A stable calcium-containing macroelement water-soluble fertilizer and a preparation method thereof, comprising the following steps:
[0035] 1. Modification of hydroxypropyl-β-cyclodextrin:
[0036] 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 compon...
Embodiment 2
[0047] A stable calcium-containing macroelement water-soluble fertilizer and a preparation method thereof, comprising the following steps:
[0048] 1. Modification of hydroxypropyl-β-cyclodextrin:
[0049] 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, so that the oxidative bacteria G is at the optimum growth pH and obtain sufficient sterile air. The mass percentage of each ...
Embodiment 3
[0060] A stable calcium-containing macroelement water-soluble fertilizer and a preparation method thereof, comprising the following steps:
[0061] 1. Modification of hydroxypropyl-β-cyclodextrin:
[0062] 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, so that the oxidizing bacteria G is at the optimum growth pH and obtain sufficient sterile air. The mass percentage of each ...
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