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Stable calcium-containing massive-element water-soluble fertilizer and preparation method thereof

A high-element, stable technology, used in calcium fertilizers, urea compound fertilizers, nitrogen fertilizers, etc., can solve the problems of difficult application in chlorine-avoiding crops, decline in yield and quality, and increase nitrogen-fixing capacity. The effect of reducing surface tension and promoting dissolution

Active Publication Date: 2019-02-15
ANHUI HUILONG GRP WUHE ECOLOGICAL FERTILIZER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sulfur can also promote the formation of nodules and increase nitrogen fixation capacity of legumes. Sulfur deficiency in crops will affect their normal growth, resulting in a decline in yield and quality
[0003] In order to add calcium element to the water-soluble fertilizer formula, the invention patent: "A water-soluble fertilizer containing amino acid and its preparation method" application number is CN201610393471.2, using EDTA chelated calcium as raw material to provide calcium source; the invention patent: "A special fertilizer for celery Chelated calcium fertilizer" application number is CN201710500160.6, calcium acetate and calcium nitrate are used as raw materials to provide calcium source, invention patent: "a calcium fertilizer and its application" application number is CN201210192168.8, calcium chloride, calcium nitrate , amino acid calcium, fulvic acid calcium, EDTA chelated calcium, any one or several arbitrary ratios to provide calcium sources for raw materials, among which calcium acetate, amino acid calcium, fulvic acid calcium, EDTA chelated calcium calcium ions have high stability, But the price is high, which increases the cost; calcium chloride contains relatively high chloride ions, and it is not easy to apply it on crops that avoid chlorine; the raw material of calcium nitrate is easy to absorb water, and it is a controlled raw material, so it is not easy to buy

Method used

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Examples

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Effect test

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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Abstract

The invention discloses a stable calcium-containing massive-element water-soluble fertilizer and a preparation method thereof. The preparation method comprises the modification of hydroxypropyl-beta-cyclodextrin, the preparation of modified hydroxypropyl-beta-cyclodextrin chelated calcium, the preparation of trace element mother liquor and preparation of the stable calcium-containing massive-element water-soluble fertilizer. The modified hydroxypropyl-beta-cyclodextrin in the stable calcium-containing massive-element water-soluble fertilizer has the uniqueness of internal hydrophobicity and external hydrophilicity, and plays roles in carrying out chelation for calcium fixing and promoting the dissolution of calcium sulfate, and improving the stability of calcium ions; the calcium sulfate raw material is cheap and easy to obtain, and tripolyphosphate and the calcium ions are less likely to precipitate, so that the stability in the using process is improved; a synergist has good salt tolerance and is capable of avoiding flocculation after the fertilizer is dissolved; and a bacteriostatic agent is capable of inhibiting the surface and interior part of the water-soluble fertilizer frombreeding of bacteria and fungi.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a stable calcium-containing macroelement water-soluble fertilizer and a preparation method thereof. Background technique [0002] Medium elements are necessary for plant growth, such as calcium, magnesium, sulfur and so on. The application of calcium fertilizer in agriculture has a long history. With the development of high-quality and high-efficiency agriculture, the phenomenon of calcium deficiency is becoming more and more serious. When plants are deficient in calcium, the front of the root turns brown, and the texture of the branches and leaves becomes soft. The accumulation of fruit sugar, less fruit powder, weak fragrance, poor maturity of new shoots, and weak tree vigor. Fruit trees need a lot of calcium during the fruit-hanging period. Once lacking or nutritional imbalance will cause malnutrition, weakened immunity, and are susceptible to various bacteria and disease...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
CPCC05B7/00C05G3/00C05G5/20C05C3/00C05C5/02C05C9/00C05D3/00C05D3/02C05D9/02C05F11/00C05F11/02C05F11/08
Inventor 吴安昌张卫卫程婷婷杨明明杨双峰
Owner ANHUI HUILONG GRP WUHE ECOLOGICAL FERTILIZER CO LTD
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