Calcium-containing macroelement water-soluble fertilizer and preparation method thereof

A large amount of elements, water-soluble technology, applied in calcium fertilizers, fertilization methods, organic fertilizers, etc., can solve the problems of lack of sufficient calcium elements for growth, inability to be absorbed and utilized, and reduced fruit quality, so as to promote nutrient absorption and utilization, and facilitate leaf growth. Surface spraying or drip irrigation, the effect of improving yield and quality

Inactive Publication Date: 2021-02-26
卡力(烟台)农业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, in actual use, after calcium ions in conventional fertilizers dissolve in water, they will form water-insoluble precipitates with phosphate ions
However, mineral nutrients need to be dissolved in water before they can be absorbed and utilized by crops. Therefore, after calcium ions are applied to the soil, most of them will be fixed in the soil and cannot be absorbed and utilized.
It not only reduces the effect of calcium and phosphorus, but also leads to the lack of sufficient calcium element for crop growth, which is prone to lower fruit quality and low storage resistance in the later stage.

Method used

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  • Calcium-containing macroelement water-soluble fertilizer and preparation method thereof

Examples

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Effect test

Embodiment 1

[0018] A calcium-containing macroelement water-soluble fertilizer, comprising the following components in parts by weight: 16 parts of urea, 16.5 parts of anhydrous calcium dihydrogen phosphate, 8 parts of ammonium polyphosphate, 3 parts of calcium ammonium nitrate, 6 parts of calcium chloride, nitric acid 46.5 parts of potassium, 0.5 parts of boric acid, 0.5 parts of zinc phosphite, and 3 parts of citric acid monohydrate. Among them, the polymerization rate of ammonium polyphosphate is 85%, the degree of polymerization is 18, and the component content index is 16-57-0.

Embodiment 2

[0020] A calcium-containing macroelement water-soluble fertilizer, comprising the following components in parts by weight: 12 parts of urea, 18 parts of anhydrous calcium dihydrogen phosphate, 16 parts of ammonium polyphosphate, 3 parts of calcium ammonium nitrate, 40.5 parts of potassium nitrate, chloride 5 parts of potassium, 1 part of boric acid, 0.5 parts of zinc phosphite, 4 parts of citric acid monohydrate. Among them, the polymerization rate of ammonium polyphosphate is 82%, the degree of polymerization is 15, and the component content index is 16-57-0.

Embodiment 3

[0022] A calcium-containing macroelement water-soluble fertilizer, comprising the following components in parts by weight: 16 parts of urea, 15 parts of anhydrous calcium dihydrogen phosphate, 10 parts of calcium ammonium nitrate, 6 parts of calcium chloride, 49.5 parts of potassium nitrate, 0.5 parts of boric acid 1 part, 2 parts of zinc phosphite, 1 part of citric acid monohydrate. Among them, the polymerization rate of ammonium polyphosphate is 90%, the degree of polymerization is 22, and the component content index is 16-57-0.

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Abstract

The invention discloses a calcium-containing macroelement water-soluble fertilizer which comprises the following components in parts by weight: 12-16 parts of urea, 15-18 parts of anhydrous calcium dihydrogen phosphate, 0-16 parts of ammonium polyphosphate, 3-10 parts of calcium ammonium nitrate, 0-6 parts of calcium chloride, 40-50 parts of potassium nitrate, 0-5 parts of potassium chloride, 0.5-1 part of boric acid, 0.5-2 part of zinc phosphite and 1-4 parts of citric acid monohydrate. The calcium-containing macroelement water-soluble fertilizer disclosed by the invention has the beneficialeffects that the calcium-containing macroelement water-soluble fertilizer can promote growth, improve yield and quality and improve disease resistance, has good solubility and is easy for foliage spraying or drip irrigation.

Description

technical field [0001] The invention relates to the field of inorganic fertilizers, in particular to a calcium-containing macroelement water-soluble fertilizer and a preparation method thereof. Background technique [0002] Calcium is one of the intermediate elements required for plant growth and plays a very important role in the process of plant growth and development. It can not only stabilize the cell membrane and cell wall, promote the synthesis of carbohydrates and proteins in the fruit, and the balance of physiological activities in plants, but also prevent fruit cracking, enhance resistance to fungal diseases, and promote various physiological activities in plants carried out. Adding calcium to water-soluble fertilizers theoretically has the effects of high nutrient utilization, low cost and quick results. [0003] However, in actual use, after calcium ions in conventional fertilizers dissolve in water, they will form water-insoluble precipitates with phosphate ion...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00A01C21/00
CPCC05B1/04C05G3/00A01C21/005C05B7/00C05B17/00C05C1/00C05C5/02C05C9/00C05D1/02C05D3/00C05D9/02C05F11/00
Inventor 孙茂旭孙玲丽王其选
Owner 卡力(烟台)农业发展有限公司
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