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Mineralized plant nutrient solution as well as preparation method and application thereof

A plant nutrient solution and reaction technology, applied in the field of mineralized plant nutrient solution and its preparation, can solve the problems of few types of trace elements and the ineffective effect of micro-fertilizers, etc.

Inactive Publication Date: 2021-05-28
FENGTIANBAO AGRI TECHOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are fewer types of trace elements in the micro-fertilizer produced by it, and for saline-alkali land, this micro-fertilizer cannot effectively play a role

Method used

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  • Mineralized plant nutrient solution as well as preparation method and application thereof
  • Mineralized plant nutrient solution as well as preparation method and application thereof
  • Mineralized plant nutrient solution as well as preparation method and application thereof

Examples

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Effect test

preparation example Construction

[0022] The invention provides a preparation method of mineralized plant nutrient solution, comprising the following steps:

[0023] (1) mica stone, vermiculite and sulfuric acid solution are mixed, carry out acidification reaction, obtain acidification reaction liquid, during described acidification reaction, sulfuric acid solution is excessive;

[0024] (2) Mixing the acidification reaction solution with Sulfolobus acidocaldarius to carry out a free acid passivation reaction, and obtain a mineralized plant nutrient solution after solid-liquid separation.

[0025] The invention mixes mica stone, vermiculite and sulfuric acid solution to carry out acidification reaction to obtain acidification reaction liquid, and the sulfuric acid solution is excessive during the acidification reaction. The present invention has no special requirements on the sources of the mica stone and vermiculite, and the commercially available mica stone and vermiculite in the field can be used. In the p...

Embodiment 1

[0041] (1) Mix the mica stone with a particle size of 200 mesh and the vermiculite with a particle size of 200 mesh according to a mass ratio of 3:2, add a sulfuric acid solution with a concentration of 10 wt% twice the mass of the mixed raw material, and acidify at 80 ° C for 24 hours to obtain The acidification reaction solution was stirred once every 2 hours during the acidification process, the time for a single stirring was 30 minutes, and the rotation speed was 60 rpm.

[0042] (2) Add Sulfolobus acidocaldarius with a liquid quality of 1‰ to the acidification reaction solution, stir at 40 rpm at 30°C for 4 hours, and press filter through the frame to obtain a mineralized plant nutrient solution , The obtained solid slag is used as fertilizer after being mixed with organic fertilizer.

[0043] After diluting the obtained mineralized plant nutrient solution to 2% with distilled water, the content of each element was detected, and the obtained results are shown in Table 1. ...

Embodiment 2

[0047] (1) Mix mica stone with a particle diameter of 250 mesh and vermiculite with a particle diameter of 200 mesh according to a mass ratio of 3:2, add a sulfuric acid solution with a concentration of 2.5 times the mass of the mixed raw material and be 12wt% sulfuric acid solution, and acidify at 60°C for 20h to obtain The acidification reaction solution was stirred once every 2.5 hours during the acidification process, the time for a single stirring was 35 minutes, and the rotation speed was 70 rpm.

[0048] (2) Add Sulfolobus acidocaldarius with a liquid quality of 1.5‰ to the acidification reaction solution, stir at a rate of 35 rpm at 30°C for 5 hours, and filter through a box to obtain a liquid that is a mineralized plant nutrient solution , The obtained solid slag is used as fertilizer after being mixed with organic fertilizer.

[0049] After the obtained mineralized plant nutrient solution was diluted to 3% with distilled water, the content of each element was detecte...

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Abstract

The invention provides a mineralized plant nutrient solution as well as a preparation method and application thereof, and belongs to the technical field of microelement fertilizer extraction. The micalex and the vermiculite are used as mineral raw materials, the micalex is rich in phosphorus, potassium, silicon, calcium, magnesium and iron elements and trace chlorine, manganese, molybdenum and zinc elements, and the vermiculite is rich in silicon, magnesium and iron elements; a sulfuric acid solution is used as an extracting solution of trace elements, on one hand, sulfuric acid can react with various metal ions in raw materials, the trace elements are extracted from micalex and vermiculite in the form of sulfate, and a stable sulfate solution is formed after the trace elements are passivated by sulfolobus acidocaldarius; when being used for irrigating saline-alkali soil plants, the plant photosynthesis can be enhanced, the nutrient absorption and utilization rate of crops is increased, the disease resistance and average quality of the plants are enhanced, and the yield of the plants is further increased; on the other hand, the residual free sulfuric acid can be used for transforming the saline-alkali soil, so that the salinity in the saline-alkali soil is reduced, and the pH value of the soil tends to be neutral.

Description

technical field [0001] The invention relates to the technical field of micro-fertilizer extraction, in particular to a mineralized plant nutrient solution and its preparation method and application. Background technique [0002] The currently recognized nutrient elements essential to plants include 16 types of macroelements, secondary elements and microelements, of which the macroelements are carbon, hydrogen, oxygen, nitrogen, phosphorus and potassium, and the secondary elements are calcium, magnesium and sulfur. Trace elements are iron, copper, manganese, molybdenum, zinc, boron and chlorine. In addition, studies have shown that silicon is also beneficial to plant growth and development. [0003] Carbon, hydrogen and oxygen among the macroelements necessary for plants can be obtained from the atmosphere and water, and generally do not need to be supplemented by humans; nitrogen, phosphorus and potassium are required by crops in large quantities, but the amount that can be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/80C05G5/20A01C21/00
CPCC05C3/00C05G3/80C05G5/20A01C21/00C05D1/00C05D3/00C05D5/00C05D9/00C05D9/02C05F11/08
Inventor 陈铁成王连林张丽英陈月锋
Owner FENGTIANBAO AGRI TECHOLOGY CO LTD
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