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High-phosphorus high-potassium medium trace element liquid fertilizer

A technology of medium and trace elements and liquid fertilizers, applied in liquid fertilizers, ammonium orthophosphate fertilizers, alkaline orthophosphate fertilizers, etc., can solve the problems of slow absorption, failure, and low absorption

Pending Publication Date: 2021-04-09
HENAN JIENONG BIOLOGICAL & CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Some trace element liquid fertilizers are disclosed in the prior art. Although they contain medium and trace elements, the nutrient content is low, iron is easily oxidized and becomes ineffective, and there is a problem of little and slow absorption in crop application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] High phosphorus and high potassium medium trace element liquid fertilizer A1, the ingredients are as follows:

[0037] Potassium phosphorus and sodium salt mixture: 4g disodium EDTA, 365g potassium dihydrogen phosphate, 124g potassium hydroxide;

[0038] Medium element mixture: EDTA calcium 50g, EDTA magnesium 25g;

[0039] Trace element mixture: EDTA zinc 10g, EDTA iron 5g;

[0040] Glycerophosphate: calcium glycerophosphate 75g;

[0041] Dissolve 124g of potassium hydroxide in 500ml of deionized water, heat to dissolve completely, slowly add 365g of potassium dihydrogen phosphate, then add 50g of calcium EDTA, 25g of magnesium EDTA, 10g of zinc EDTA, 5g of iron EDTA, and finally add 426g of disodium EDTA and glycerin Stir and dissolve 75g of calcium phosphate, heat at 100°C, stir for 1 hour, add deionized water to dilute to 1 liter after cooling.

Embodiment 2

[0043] High phosphorus and high potassium medium trace element liquid fertilizer A2, the ingredients are as follows:

[0044] Potassium phosphorus and sodium salt mixture: 4g disodium EDTA, 322g potassium dihydrogen phosphate, 167g potassium hydroxide;

[0045] Medium element mixture: EDTA calcium 40g, EDTA magnesium 35g;

[0046] Trace element mixture: EDTA zinc 10g, EDTA iron 5g;

[0047] Glycerophosphate: iron glycerophosphate 75g.

Embodiment 3

[0049] High phosphorus and high potassium medium trace element liquid fertilizer A3, the ingredients are as follows:

[0050] Potassium phosphorus and sodium salt mixture: 4g disodium EDTA, 387g potassium dihydrogen phosphate, 102g potassium hydroxide;

[0051] Medium element mixture: EDTA calcium 55g, EDTA magnesium 20g;

[0052] Trace element mixture: EDTA zinc 10g, EDTA iron 5g;

[0053] Glycerophosphate: calcium glycerophosphate 75g.

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Abstract

The invention relates to the field of organic fertilizer chelation, in particular to a high-phosphorus high-potassium medium trace element liquid fertilizer. The high-phosphorus high-potassium medium trace element liquid fertilizer comprises the following components in percentage by total mass of the liquid fertilizer: 50-95% of a phosphorus-potassium-sodium salt mixture, 3-10% of a medium element mixture, 0.5-3% of a trace element mixture and the balance of water, wherein the phosphorus-potassium-sodium salt mixture comprises disodium EDTA and inorganic salt containing phosphorus and potassium elements. The liquid fertilizer is low in cost, convenient to prepare, safe and harmless to the environment when being applied, comprehensive in nutrition, fully water-soluble and easy to absorb, not only has the quick-acting property of a traditional fertilizer, but also can be used for healthily activating and comprehensively improving the soil, promoting the morphological transformation of soil nutrients, improving the soil fertility and thoroughly improving the soil property.

Description

technical field [0001] The invention relates to the field of organic fertilizers, in particular to a high-phosphorus and high-potassium medium trace element liquid fertilizer. Background technique [0002] my country is a large agricultural country, and fertilizer plays a very important role in my country's grain production, and is the largest material investment among farmers' productive investment. Conventional trace element water-soluble fertilizers are simply dissolved and mixed with several simple trace elements. Calcium and magnesium are important nutrients for plants. Most of the calcium exists in the cell wall as a structural component of the cell wall pectin. Calcium has the functions of stabilizing the cell membrane, stabilizing the cell wall, promoting cell elongation, root growth, and osmotic regulation. At the same time, the mobility of calcium in the plant is poor, resulting in calcium deficiency in crops. When calcium deficiency occurs, plant growth is hinde...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/80C05G5/20
CPCC05B7/00C05G3/00C05G3/80C05G5/20C05B15/00C05D1/00C05D9/00C05D9/02C05F11/00
Inventor 张晓东张旭东张铮汉
Owner HENAN JIENONG BIOLOGICAL & CHEM CO LTD
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