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Fertilizer special for soybeans and preparation method thereof

A special fertilizer and soybean technology, applied in the field of soybean special fertilizer and its preparation, can solve the problems of waste of resources and not being used well, and achieve the effects of reducing the cost of raw materials, realizing rational utilization, and preventing invalidation

Active Publication Date: 2010-02-03
FUSHUN MINING IND GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Oil shale ash contains SiO 2 , organic matter, and the large, medium, and trace elements necessary for plants are ideal compound fertilizer additives. The compound fertilizer made by adding this material has the characteristics of increasing fertilizer and water retention, promoting soil biological vitality, and improving soil. has not been well utilized, resulting in a waste of resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: Take citric acid (CIT), zinc sulfate powder, manganese sulfate powder, borax powder, ammonium molybdate powder and water according to the mass ratio of 5: 0.01: 0.01: 0.01: 0.01: 14.96 respectively, carry out above-mentioned raw material Mixed, and at a reaction temperature of 90° C., stirred in a high-speed mixer for 40 minutes, and the mixer speed was: 100 rpm to obtain a trace element chelated fertilizer liquid; weighed respectively according to the mass ratio of 5:5:0.1:69.9 Take polyvinyl alcohol (PVA), cornstarch, dicyandiamide (DCD) powder and water, mix the above raw materials, and stir in a high-speed mixer for 40 minutes at a reaction temperature of 90°C, the speed of the mixer is: 100 rpm per minute, to obtain a bonding liquid; the trace element chelated fertilizer liquid and the bonding liquid are uniformly mixed according to a mass ratio of 1:4 to obtain a mixed liquid, and are transferred to a liquid storage tank connected with an air compress...

Embodiment 2

[0021] Embodiment 2: according to the mass ratio of 5: 0.01: 0.01: 0.01: 0.01: 14.96, take by weighing citric acid (CIT), zinc sulfate powder, manganese sulfate powder, borax powder, ammonium molybdate powder and water respectively, carry out above-mentioned raw material Mixed, and at a reaction temperature of 80° C., stirred in a high-speed mixer for 60 minutes, and the mixer speed was: 100 rpm to obtain a trace element chelated fertilizer liquid; weighed respectively according to the mass ratio of 10:10:0.2:59.8 Take polyvinyl alcohol (PVA), cornstarch, dicyandiamide (DCD) powder and water, mix the above raw materials, and stir in a high-speed mixer for 60 minutes at a reaction temperature of 80°C. The speed of the mixer is: 100 rpm per minute, to obtain a bonding liquid; the trace element chelated fertilizer liquid and the bonding liquid are uniformly mixed according to a mass ratio of 1:4 to obtain a mixed liquid, and are transferred to a liquid storage tank connected with ...

Embodiment 3

[0022] Embodiment 3: take by weighing citric acid (CIT), zinc sulfate powder, manganese sulfate powder, borax powder, ammonium molybdate powder and water according to the mass ratio of 5: 0.01: 0.01: 0.01: 0.01: 14.96 respectively, carry out above-mentioned raw material Mix, and under the reaction temperature of 85 ℃, stir in high-speed mixer for 50 minutes, the mixer speed is: 100 revolutions / minute, make trace element chelated fertilizer liquid; According to the mass ratio of 8:8:0.15:63.85 weigh respectively Take polyvinyl alcohol (PVA), cornstarch, dicyandiamide (DCD) powder and water, mix the above raw materials, and stir in a high-speed mixer for 50 minutes at a reaction temperature of 85°C. The speed of the mixer is: 100 rpm per minute, to obtain a bonding liquid; the trace element chelated fertilizer liquid and the bonding liquid are uniformly mixed according to a mass ratio of 1:4 to obtain a mixed liquid, and are transferred to a liquid storage tank connected with an ...

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Abstract

The invention discloses a fertilizer special for soybeans and a preparation method thereof. The method comprises the following steps: weighing, mixing and stirring citric acid, zinc sulphate powder, manganese sulphate powder, borax powder, ammonium molybdate powder and water at a reaction temperature of 80-90 DEG C for 40-60 minutes to prepare trace element chelate fertilizer liquid for spare; respectively weighing and stirring polyvinyl alcohol, cornstarch, dicyandiamide powder and water at a reaction temperature of 80-90 DEG C for 40-60 minutes to prepare bonding liquid for spare; uniformlymixing the trace element chelate fertilizer liquid and the bonding liquid according to a mass ratio of 1:4 for spare; respectively weighing, drying, crushing and screening pyrobituminous shale residue, calcium carbonate, magnesium sulphate, urea, diammonium phosphate and potassium sulphate by a screen of 100-120 meshes; uniformly mixing; adding the mixture to a pelletizer; and spraying the mixed liquid to granulate so as to obtain a the fertilizer special for soybeans. The invention has the advantages of comprehensive nutrients, good slow release, and the like, fully satisfies the growth needsof soybean and improves the yield and the quality of the soybean.

Description

1. Technical field [0001] The invention belongs to the technical field of chemical fertilizers, and in particular relates to a special fertilizer for soybeans and a preparation method thereof. 2. Background technology [0002] Soybean is the main oil crop in Northeast China. Traditional soybean fertilization is extremely unreasonable. It only focuses on the application of farmyard manure and phosphorus fertilizer, while ignoring the application of nitrogen and potassium fertilizers, let alone other medium and trace element fertilizers. Due to organic fertilizers The application of soybeans has been decreasing day by day, and the yield per unit area of ​​soybean has been low, generally 2250kg / hm 2 , which has a great potential to increase production, scientific and rational fertilization will be an important way to increase production. Therefore, according to the characteristics of soybean fertilizers, it is particularly urgent to develop a special fertilizer with comprehens...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/04C05G3/08C05C9/00C05B7/00C05D1/02C05D5/00C05D3/02C05G3/80C05G3/90
Inventor 韩放周晓莹鲍明福高健李杰颖顾波
Owner FUSHUN MINING IND GROUP
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