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Medium trace element fertilizer specialized for cereal crops and preparation method of medium trace element fertilizer

A technology of medium and trace element fertilizers and grains, applied in potash fertilizers, application, organic fertilizers, etc., can solve problems that have not been seen, achieve convenient product application, improve lodging resistance and other stress resistance, and facilitate large-scale production.

Active Publication Date: 2019-12-10
TIANJIN CEMENT IND DESIGN & RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

How to improve the availability of nutrients in biomass ash and promote the absorption of nutrients by plants has not yet seen relevant research and reports

Method used

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  • Medium trace element fertilizer specialized for cereal crops and preparation method of medium trace element fertilizer
  • Medium trace element fertilizer specialized for cereal crops and preparation method of medium trace element fertilizer

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preparation example Construction

[0033] The invention also discloses a preparation method of special medium trace element fertilizer for cereal crops, which comprises the following steps:

[0034] (1) Fully mix the silicon-calcium-potassium-magnesium fertilizer, glacial acetic acid and granulation additives in the mixer, and then spray and granulate in the granulator, the particle size is controlled 1-4.75mm, to obtain the granule A;

[0035] (2) Grind the biomass ash with a ball mill to a fineness of 150-200 mesh, and then mix the finely ground biomass ash, humic acid and granulation additives in the mixer, and then mix them in the granulator. Spray granulation in the process, the particle size is controlled 1-4.75mm, to obtain granule B;

[0036] (3) The granule A and the granule B are uniformly mixed in a mixer, and then dried with a dryer to control the moisture content to not more than 2% to obtain a special medium and trace element fertilizer for cereal crops.

[0037] In actual use, the special medium-trace el...

Embodiment 1

[0042] Example 1 Preparation of special medium and trace element fertilizer F1 for cereal crops:

[0043] S1. First, 60 kg of silicon-calcium-potassium-magnesium fertilizer, 0.5 kg of glacial acetic acid and 6 kg of granulation additives are mixed uniformly in the mixer, and then spray granulated in the granulator, the particle size is controlled 1-4.75mm, Get particle A;

[0044] S2. Grind the biomass ash with a ball mill to a fineness of 150 mesh, then mix the finely ground 30 kg biomass ash, 4.5 kg humic acid and 3 kg granulation additives in the mixer, and then Spray granulation in the granulator, the particle size is controlled 1-4.75mm to obtain granule B;

[0045] S3. Finally, granule A and granule B are uniformly mixed in a mixer, and then dried with a dryer to control the moisture content to 2% to obtain a special medium-trace element fertilizer for cereal crops.

Embodiment 2

[0046] Example 2 Preparation of special medium and trace element fertilizer F2 for cereal crops:

[0047] S1. Firstly, 70 kg of silicon-calcium-potassium-magnesium fertilizer, 1 kg of glacial acetic acid and 7 kg of granulation additives are thoroughly mixed in the mixer, and then spray granulated in the granulator, the particle size is controlled 1-4.75 mm, get particle A;

[0048] S2. Grind the biomass ash with a ball mill to a fineness of 150 mesh, and then mix the ground 20 kg of biomass ash, 5 kg of humic acid and 2 kg of granulation additives in the blender. Then Spray granulation in a granulator, the particle size is controlled 1-4.75mm to obtain granule B;

[0049] S3. Finally, granule A and granule B are uniformly mixed in a mixer, and then dried with a dryer to control the moisture content to 2% to obtain a special medium-trace element fertilizer for cereal crops.

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Abstract

The invention relates to the technical field of medium trace element fertilizers in agriculture, in particular to a medium trace element fertilizer specialized for cereal crops and a preparation method of the medium trace element fertilizer. The medium trace element fertilizer is prepared from the following raw materials in parts by mass: 60-80 parts of a silicon calcium potassium magnesium fertilizer, 10-30 parts of biomass ashes, 0.5-5 parts of a glacial acetic acid, 0.5-5 parts of a humic acid and 7-11 parts of pelletizing additives; the mass fraction of the humic acid is no less than 70% of a fulvic acid; the mass fraction of the glacial acetic acid is no less than 99.5% of a food grade glacial acetic acid; and hemihydrate gypsum with the fineness of 150-200 mesh is selected as the pelletizing additives. According to the medium trace element fertilizer, water-soluble and citric acid soluble silicon, calcium, potassium, magnesium, iron, manganese, zinc and other medium trace elements are can not only be provided, the fertilizer utilization rate is improved, the loss of the medium trace elements in the soil is improved, yields and qualities of the cereal crops are improved, wastematerials such as biomass power generation ashes are further significantly absorbed, and the medium trace element fertilizer has multiple functions of nutrition and environmental protection.

Description

Technical field [0001] The invention relates to the technical field of agricultural chemical fertilizers, in particular to a special medium-trace element fertilizer for cereal crops and a preparation method thereof. Background technique [0002] Cereal crops such as rice, wheat, and corn are the main food crops in our country, and their yield and quality play a decisive role in social and economic development and people's daily life. In recent years, due to the excessive application of nitrogen, phosphorus and potassium chemical fertilizers, and farmers do not pay attention to the supplement of medium and trace element fertilizers, cereal crops generally have the problem of lack of medium and micronutrient elements, which has become a bottleneck restricting the improvement of cereal crop production and quality. [0003] Silicon-calcium-potassium-magnesium fertilizer is a kind of mineral citrate-soluble fertilizer prepared by high-temperature calcination and activation with natural ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
CPCC05D1/00C05G3/00C05D1/02C05D3/00C05F11/02
Inventor 吴秋生李小燕吴锡林万夫伟梁世栋王贺东
Owner TIANJIN CEMENT IND DESIGN & RES INST
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