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Functional granular major-element water soluble fertilizer and preparation method thereof

A large amount of elements, granular technology, applied in the direction of fertilization device, fertilizer mixture, application, etc., can solve the problems of water retention and drought resistance, soil repair and improvement, inability to mix nutrients organically, loose structure, etc., to improve crop yield and quality , Improve fertilizer utilization rate, improve water retention effect

Inactive Publication Date: 2014-08-27
STANLEY AGRI GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] (1) The production process is a simple physical blending, and various nutrients cannot be organically mixed evenly;
[0009] (2) The structure is relatively loose, and it is easy to harden during storage, and long-term application will easily lead to soil hardening;
[0010] (3) Generally, it does not have the functions of water retention and drought resistance, soil restoration and improvement, etc.

Method used

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  • Functional granular major-element water soluble fertilizer and preparation method thereof
  • Functional granular major-element water soluble fertilizer and preparation method thereof
  • Functional granular major-element water soluble fertilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] 350 parts of urea, 220 parts of potassium nitrate, 250 parts of potassium dihydrogen phosphate, 115 parts of monoammonium phosphate, 30 parts of potassium sulfate, 11.6 parts of boric acid, 7.7 parts of EDTA chelated iron, 6.6 parts of EDTA chelated zinc, 3.9 parts of EDTA chelated manganese parts, 0.2 parts of ammonium heptamolybdate, and 5 parts of polyglutamic acid (PGA).

[0046] step 1 : Melt 350 parts of urea at high temperature (130°C-140°C), enter the buffer tank, pressurize it through the delivery pump, and send it to the mixing tank at the top of the tower after metering.

[0047] Step 2: 11.6 parts of boric acid, 6.6 parts of EDTA chelated zinc, 7.7 parts of EDTA chelated iron, 3.9 parts of EDTA chelated manganese, 5 parts of polyglutamic acid, 0.2 parts of ammonium heptamolybdate, and 30 parts of potassium sulfate are premixed in a certain proportion , and then measure the mixed material with 250 parts of potassium dihydrogen phosphate, 220 parts of pota...

Embodiment 2

[0051] 347 parts of urea, 220 parts of potassium nitrate, 250 parts of potassium dihydrogen phosphate, 115 parts of monoammonium phosphate, 30 parts of potassium sulfate, 11.6 parts of boric acid, 7.7 parts of EDTA chelated iron, 6.6 parts of EDTA chelated zinc, 3.9 parts of EDTA chelated manganese parts, 0.2 parts of ammonium heptamolybdate, and 8 parts of polyglutamic acid (PGA).

[0052] The specific implementation steps are the same as the implementation example 1.

[0053] The obtained product specification is 20-20-20, containing 0.2% boron, 0.1% chelated iron, 0.1% chelated zinc, 0.05% chelated manganese, 0.01% molybdenum, and 0.8% polyglutamic acid (PGA)

Embodiment 3

[0055] 345 parts of urea, 220 parts of potassium nitrate, 250 parts of potassium dihydrogen phosphate, 115 parts of monoammonium phosphate, 30 parts of potassium sulfate, 11.6 parts of boric acid, 7.7 parts of EDTA chelated iron, 6.6 parts of EDTA chelated zinc, 3.9 parts of EDTA chelated manganese parts, 0.2 parts of ammonium heptamolybdate, and 10 parts of polyglutamic acid (PGA).

[0056] The specific implementation steps are the same as the implementation example 1.

[0057] The obtained product specification is 20-20-20, containing 0.2% boron, 0.1% chelated iron, 0.1% chelated zinc, 0.05% chelated manganese, 0.01% molybdenum, and 1.0% polyglutamic acid (PGA)

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Abstract

The invention discloses functional granular major-element water soluble fertilizer. The fertilizer comprises, by weight, 345-350 parts of urea, 210-220 parts of potassium nitrate, 240-250 parts of monopotassium phosphate, 20-30 parts of potassium sulphate, 110-115 parts of monoammonium phosphate, 11-11.6 parts of boric acid, 6-6.6 parts of EDTA chelated zinc, 7-7.7 parts of EDTA chelated iron, 3-3.9 parts of EDTA chelated manganese, 0.1-0.2 part of ammonium heptamolybdate and 5-10 parts of polyglutamic acid. Compared with the prior art, the functional granular major-element water soluble fertilizer is scientific in formula, complete in nutrition, balanced and stabilized in nutrient, capable of moisture retention and drought resistance and high in utilization rate and has the functions such as improving and restoring soil.

Description

technical field [0001] The invention relates to a functional granular macroelement water-soluble fertilizer and a preparation method thereof, belonging to the technical field of functional water-soluble fertilizers. Background technique [0002] Functional fertilizers, also known as multifunctional fertilizers, are one of the important research and development directions of new fertilizers in the 21st century. pests, etc.) fertilizer. The research and production of multifunctional fertilizers meet the requirements of ecological fertilizer technology, and its application technology belongs to the advanced technology that combines agronomy, soil science, informatics, chemistry and other disciplines. At present, water-retaining functional fertilizers and functional fertilizers that improve soil structure have occupied part of the domestic market, as follows: [0003] (1) Water-retaining functional fertilizer [0004] Fertilizers that mainly solve drought problems in some are...

Claims

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Application Information

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IPC IPC(8): C05G1/06
Inventor 王婷婷何守学周丽李元峰
Owner STANLEY AGRI GRP CO LTD
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