Sugar alcohol calcium magnesium zinc boron compound liquid fertilizer and preparation method and applications thereof

A technology of compound liquid, calcium sugar alcohol, applied in application, fertilization device, fertilizer mixture, etc., can solve the problems of high production cost, high packaging cost, impact on absorption efficiency, high price, etc., to prolong the time of absorbing nutrients, improve The effect of absorbing utilization and improving utilization

Active Publication Date: 2014-02-19
SOUTH CHINA AGRI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Most of the calcium-magnesium-zinc-boron fertilizers currently on the market are single elements, and there are also some calcium-boron compound fertilizers, but because of their principles and production processes, the price is very expensive
Single application of one of calcium, magnesium, zinc and boron, on the one hand, is a waste of labor, on the other hand, it cannot achieve the absorption of calcium-boron interaction, thus affecting the absorption efficiency
[0006] Japanese patent (publication number: P2000-193894) liquid カルシェウム fertilizer involves the preparation of high-concentration elemental calcium fertilizer, but the composition is single, and does not contain magnesium, zinc, boron and surfactant; Chinese patent application (publication number: CN102701800A ) super-active fully water-soluble calcium-boron fertilizer preparation technology, although it involves calcium-boron fertilizer, the calcium in the raw material exists in an ion state, and the absorption efficiency is obviously affected; Chinese patent application (public number: CN102503657A) and Chinese patent (public number: CN101318861A ) all involve the preparation of calcium-boron foliar fertilizers. On the one hand, the boron content in the prepared foliar fertilizers is low; Satisfy the absorption of different nutrients by different crops; Chinese patent application (publication number: CN103159531A) a liquid fertilizer containing various phytoalcohols and medium and trace elements chelated and its preparation method, although it contains medium and trace elements, but the nutrient content is low, As a result, production costs and packaging costs are higher

Method used

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  • Sugar alcohol calcium magnesium zinc boron compound liquid fertilizer and preparation method and applications thereof
  • Sugar alcohol calcium magnesium zinc boron compound liquid fertilizer and preparation method and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] (1) Preparation of chelated calcium mother liquor: Add 8 parts of sorbitol, 3 parts of mannitol, 3 parts of xylitol, 6 parts of glycerin and 0.5 parts of potassium hydroxide into 35 parts of water, heat at 70°C, and dissolve Finally, add 5 parts of calcium acetate, then add 83 parts of calcium ammonium nitrate, and continue to react for 30 minutes. After cooling, it will be the chelated calcium mother liquor, wherein the calcium concentration is 170g / L;

[0058] (2) Preparation of chelated zinc mother liquor: Add 5 parts of sorbitol, 5 parts of mannitol and 0.2 parts of sodium hydroxide to 40 parts of water, keep it warm at 70°C for 30 minutes, then add 18 parts of zinc acetate and 80 parts of zinc nitrate , continue to react for 30min, after cooling, it will be chelated calcium mother liquor, wherein the zinc is 230g / L;

[0059] (3) Preparation of sugar alcohol boron mother liquor: Add 4 parts of sorbitol, 4 parts of mannitol, and 5.5 parts of glycerin to 23 parts of w...

Embodiment 2

[0063] (1) Preparation of chelated calcium mother liquor: same as Example 1

[0064] (2) Preparation of chelated magnesium mother liquor: add 6 parts of sorbitol, 3 parts of mannitol, 3 parts of xylitol and 0.5 parts of potassium hydroxide into 35 parts of water, heat at 90°C, dissolve and add 11 parts of acetic acid Magnesium, add 80 parts of magnesium nitrate afterwards, continue to react 30min, use after cooling to be chelated magnesium mother liquor, wherein calcium is 95g / L;

[0065] (3) Preparation of chelated zinc mother liquor: same as Example 1

[0066] (4) Preparation of sugar alcohol boron mother liquor: Add 3 parts of sorbitol, 3 parts of mannitol, and 8 parts of glycerin to 20 parts of water in sequence, stir evenly, then add 65 parts of boric acid and 20 parts of ethanolamine, and react at 70°C for 30 minutes. Be sugar alcohol boron mother liquor after cooling, wherein boron is 130g / L;

[0067] (5) Mixing: Mix 84 parts of chelated calcium mother liquor, 26.6 pa...

Embodiment 3

[0070] (1) Preparation of chelated calcium mother liquor: Add 6 parts of sorbitol, 4 parts of mannitol and 0.2 parts of sodium hydroxide to 45 parts of water, heat at 90°C, add 2 parts of calcium formate after dissolution, and then add 75 parts Calcium ammonium nitrate, continue to react for 30 minutes, use after cooling to be the mother liquor of chelated calcium, wherein the calcium is 150g / L;

[0071] (2) Preparation of chelated magnesium mother liquor: Add 6 parts of sorbitol, 2 parts of mannitol and 0.3 parts of sodium hydroxide to 28 parts of water, heat at 90°C, add 2.5 parts of magnesium formate after dissolution, and then add 90 parts Magnesium nitrate, continue to react 30min, use after cooling to be chelated magnesium mother liquor, wherein calcium is 87g / L;

[0072] (3) Preparation of chelated zinc mother liquor: Add 6 parts of sorbitol, 6 parts of mannitol and 0.3 parts of sodium hydroxide to 47 parts of water, keep it warm at 90°C for 30 minutes, then add 2 parts...

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Abstract

The invention belongs to the field of agricultural production and discloses a sugar alcohol calcium magnesium zinc boron compound liquid fertilizer and a preparation method and application thereof. The liquid fertilizer is prepared from various mother solutions, a chelating agent, a plant growth regulator and surface active materials. The preparation method comprises the following steps: causing sugar alcohol to respectively react with calcium salt, magnesium salt, zinc salt and boric acid to prepare calcium, magnesium, zinc and boron mother solutions, then mixing the mother solutions according to a certain ratio, and adding the chelating agent to cause the mother solutions to carry out secondary chelating reaction; after a while, adding the plant growth regulator and the surface active materials into reaction liquid, uniformly mixing, and cooling to the room temperature to obtain the high-concentration, stable and good-effect compound liquid fertilizer. The prepared liquid fertilizer provides adequate calcium, magnesium, zinc and boron and other nutrients for plants and can also carry out mixing of different elements and proportions according to the needs of different plants and different growth stages of plants.

Description

technical field [0001] The invention belongs to the field of agricultural production, and in particular relates to a sugar alcohol calcium magnesium zinc boron compound liquid fertilizer and a preparation method and application thereof. Background technique [0002] Calcium and magnesium are important nutrients for plants. Most of the calcium exists in the cell wall as a structural component of the cell wall pectin. Calcium has the functions of stabilizing the cell membrane, stabilizing the cell wall, promoting cell elongation, root growth and osmotic adjustment. At the same time, the mobility of calcium in the plant is poor, resulting in calcium deficiency in crops; when calcium deficiency occurs, plant growth is hindered and the tissue is soft; Buds, lateral buds, and root tips are perishable and dead, and young leaves are curled and deformed. Leaf scorch occurs in cabbage, cabbage and lettuce due to calcium deficiency, bitter pit in apples, and navel rot in tomatoes and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 申守营沈宏沈坚列
Owner SOUTH CHINA AGRI UNIV
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