Compound water soluble fertilizer used for citrus crops, preparation method and application method

A citrus, compound technology, applied in fertilization methods, fertilizer mixtures, applications, etc., can solve the problems of single large, medium or trace element compounds, poor absorption of water-soluble fertilizers, and low effective content, so as to avoid yield reduction and increase content. , the effect of improving utilization

Active Publication Date: 2013-05-01
HUBEI GREAT BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are still a series of problems in the product quality and manufacturing process of existing water-soluble fertilizers, such as: (1) There are many types of water-soluble fertilizers on the market, but most of them are single large, medium or trace element compounds, which are not targeted and nutritious. It is not comprehensive enough, and there is no special compound water-soluble fertilizer for citrus crops. For example, the patent of publication number CN 1314327A does not mention the addition of important elements such as Mg, Zn, and B required for citrus crops, but in the publication number: CN 102206120A In the patent, boric acid is used as the main component of B element, but boric acid has poor solubility and low effective content, which cannot effectively supplement the nutrition of citrus and improve the quality of citrus; (3) The chelation process of fertilizer metal elements needs to be carried out in a continuous high temperature environment, resulting in high production costs; (4) The waxy layer of citrus crop leaves is thick and oily, and the absorption of water-soluble fertilizers without specific additives is too poor
Limits field application of water-soluble fertilizers

Method used

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  • Compound water soluble fertilizer used for citrus crops, preparation method and application method
  • Compound water soluble fertilizer used for citrus crops, preparation method and application method
  • Compound water soluble fertilizer used for citrus crops, preparation method and application method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Mother liquor configuration: compound amino acid powder includes 250 parts of animal hair hydrolyzed compound amino acid powder and soybean meal animal feather hydrolyzed amino acid powder, 200 parts of water, stir and shake well, and prepare amino acid mother liquor with a pH of 3.5;

[0032] Chelation reaction 1: At room temperature 15°C, add the pH regulator sodium hydroxide and stir until shaken evenly, adjust the pH value of the solution to 5.6, then add 10 parts of manganese sulfate, 10 parts of copper sulfate pentahydrate and ferrous sulfate heptahydrate Add 20 parts of the above mother liquor (1) successively, stir for 1 hour, and complete the chelation of manganin-copper-iron iron;

[0033] Chelating reaction 2: At room temperature 20°C, add pH regulators sodium hydroxide and phosphoric acid and stir until shaken evenly, adjust the pH value of the solution to 8.3, then add 50 parts of calcium nitrate, 50 parts of magnesium sulfate, and sulfuric acid heptahydrate...

Embodiment 2

[0046] Mother liquor configuration: compound amino acid powder including 350 parts of various amino acid powders including oil residue cake and yeast fermentation liquid, 400 parts of water, stir and shake well, and prepare amino acid mother liquor with a pH of 2.6;

[0047] Chelation reaction 1: At room temperature 35°C, add the pH regulator potassium hydroxide and stir until shaken evenly, adjust the pH value of the solution to 4.5, then add 20 parts of manganese sulfate, 30 parts of copper sulfate pentahydrate and ferrous sulfate heptahydrate 10 parts were successively added to the above mother liquor (1), stirred for 5 hours, and manganin-copper-iron chelation was completed;

[0048] Chelation reaction 2: At room temperature 25°C, add pH regulators potassium hydroxide and nitric acid and stir until shaken evenly, adjust the pH value of the solution to 6.8, then add 130 parts of calcium nitrate, magnesium sulfate, and zinc sulfate heptahydrate in total Add the above solutio...

Embodiment 3

[0061] Mother liquor configuration: compound amino acid powder includes animal feather hydrolyzed amino acid powder, soybean meal, and oil residue cake, a total of 280 parts of various amino acid powders, and 285 parts of water. Stir and shake well to prepare an amino acid mother liquor with a pH of 5;

[0062] Chelation reaction 1: At room temperature 30°C, add the pH regulator sodium hydroxide, stir until shaken, adjust the pH value of the solution to 7, and then add 30 parts of manganese sulfate, copper sulfate pentahydrate and ferrous sulfate heptahydrate Add the above mother liquor (1) successively, stir for 3.0h, and manganin-copper-iron chelation is completed;

[0063] Chelation reaction 2: At room temperature 35°C, add pH regulator potassium hydroxide and nitric acid and stir until shaken evenly, adjust the pH value of the solution to 10, then add 210 parts of calcium nitrate, magnesium sulfate, and zinc sulfate heptahydrate in total Add the above solution (2) successi...

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Abstract

The invention discloses a compound water soluble fertilizer used for citrus crops, a preparation method and an application method. The compound water soluble fertilizer used for citrus crops is mainly used in plant nutrition field, and comprises the following components: an amino acid raw material, macroelements P and K, secondary elements Mg and Ca, trace elements Fe, Mn, Zn, B, Mo and Cu, a beneficial element Si, an auxiliary agent, a PH conditioning agent and an aqueous solution. The preparation method is characterized in that composite amino acid chelates Mn, Fe, Cu, Mg, Ca and Zn at normal temperature of 15-35 DEG C and prepares the water soluble fertilizer with six metallic elements, the reasonable fertilizing can be carried out at different growth period of the crops, the balance supplement of a plurality of nutrient elements required by citrus crops can be realized, and the output and quality of the citrus crops can be increased.

Description

Technical field: [0001] The invention belongs to a water-soluble fertilizer for fruit trees in agricultural production, and in particular relates to a special compound water-soluble fertilizer for citrus crops, a preparation method and an application technology. technical background: [0002] my country is one of the important countries of origin of citrus, with a long history of cultivation, rich citrus resources and fine varieties, and is known as the "treasure house of citrus resources in the world". Since entering the 20th century, my country's citrus has developed rapidly, and its planting area and output rank first in the world. At present, due to the single type of fertilizer and unreasonable farming system, the nutrient elements in the soil and crops are extremely unbalanced, which has seriously led to a decline in the yield and fruit quality of citrus in my country. Therefore, efficient and rational fertilization has become an important way to achieve high yield an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00A01C21/00
Inventor 梁兴慧贺倩杜进平周震
Owner HUBEI GREAT BIOTECH
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