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Water-soluble fertilizer containing humic acid chelating multielement and preparation method thereof

A multi-element and humic acid technology, applied in the agricultural field, can solve problems such as poor compatibility of nutrients, incomplete components of nutrients, antagonism of nutrients, etc., and achieve low comprehensive use cost, complete ingredients, and improved absorption and utilization. Effect

Inactive Publication Date: 2013-06-26
BEIJING ZHONGYAN MEIHUA BIOCHEM INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the humic acid-containing water-soluble fertilizers provided by the market are mainly produced according to the NY1106-2006 standard of the Ministry of Agriculture (that is, the "humic acid-containing water-soluble fertilizer" standard). Insufficient element composition, relatively few nutrients; poor compatibility of nutrients, easy to produce antagonistic effects of various nutrients; low plant absorption and utilization rate, high cost of use, so the research and development of economical, efficient, environmentally safe and multi-element water-soluble Fertilizer is one of the important measures to increase agricultural production and quality

Method used

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  • Water-soluble fertilizer containing humic acid chelating multielement and preparation method thereof
  • Water-soluble fertilizer containing humic acid chelating multielement and preparation method thereof
  • Water-soluble fertilizer containing humic acid chelating multielement and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Embodiment 1: humic acid chelated multi-element water-soluble fertilizer (macroelement type)

[0046] 1. Product technical index (solid product)

[0047]

[0048] 2. Composition of the product (the following components are parts by weight of the product, and the unit of each part is kilogram)

[0049] (1) Potassium humate powder (containing humic acid ≥ 50%, containing potassium oxide ≥ 10%, water-insoluble content ≤ 3%) 10 parts.

[0050] (2) Macroelement compounds (24 parts in total): 10 parts of urea (nitrogen content ≥ 46%), 7 parts of potassium dihydrogen phosphate (containing phosphorus pentoxide ≥ 51%, potassium oxide content ≥ 34%), Potassium sulfate (potassium oxide content ≥ 51%, sulfur content ≥ 18%) 7 parts.

[0051] (3) Medium element compounds (4 parts in total): 2 parts of calcium chloride (calcium content ≥ 35%), 2 parts of anhydrous magnesium sulfate (magnesium content ≥ 26%, sulfur content ≥ 29%).

[0052] (4) Trace element compounds (7.5 parts i...

Embodiment 2

[0067] Embodiment 2: humic acid chelated multi-element water-soluble fertilizer (middle element type)

[0068] 1. Product technical index (solid product)

[0069]

[0070] 2. Composition of the product (the following components are parts by weight of the product, and the unit of each part is kilogram)

[0071] (1) Potassium humate powder (containing humic acid ≥ 50%, potassium oxide ≥ 10%, water insoluble ≤ 3%) 10 parts.

[0072] (2) Macroelement compounds (8 parts in total): 4 parts of urea (nitrogen content ≥ 46%), 2 parts of potassium dihydrogen phosphate (containing phosphorus pentoxide ≥ 51%, potassium oxide content ≥ 34%), Potassium sulfate (potassium oxide content ≥ 51%, sulfur content ≥ 18%) 2 parts.

[0073] (3) Medium element compounds (18 parts in total): 9 parts of calcium chloride (calcium content ≥ 35%), 9 parts of anhydrous magnesium sulfate (magnesium content ≥ 26%, sulfur content ≥ 29%).

[0074] (4) Trace element compounds (7.5 parts in total): 3 parts ...

Embodiment 3

[0089] Embodiment 3: humic acid chelated multi-element water-soluble fertilizer (trace element type)

[0090] 1. Product technical index (solid product)

[0091]

[0092]

[0093] 2. Composition of the product (the following components are parts by weight of the product, and the unit of each part is kilogram)

[0094] (1) Potassium humate powder (containing humic acid ≥ 50%, potassium oxide ≥ 10%, water insoluble ≤ 3%) 10 parts.

[0095] (2) Macroelement compounds (7 parts in total): 3 parts of urea (nitrogen content ≥ 46%), 2 parts of potassium dihydrogen phosphate (containing 51% of phosphorus pentoxide and ≥ 34% of potassium oxide), sulfuric acid Potassium (potassium oxide content ≥ 51%, sulfur content ≥ 18%) 2 parts.

[0096] (3) Medium element compounds (4 parts in total): 2 parts of calcium chloride (calcium content ≥ 35%), 2 parts of anhydrous magnesium sulfate (magnesium content ≥ 26%, sulfur content ≥ 29%).

[0097] (4) Trace element compounds (23.5 parts in ...

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Abstract

The invention, belonging to the technical filed of agriculture, relates to a water-soluble fertilizer containing humic acid chelating multielement and a preparation method thereof. The water-soluble fertilizer is formed through a chelating process of raw materials, and the component of the raw materials comprises (by weight parts): 10 potassium humate powder containing more than 50 wt% humic acid, more than 50 wt% kali and no more than 3wt% water insolubles, 48-52 water, 7-24 macroelement compound, 4-18 mediumelement compound, 7.5-23.5 microelement compound, 2.5 beneficial element compound, 2rare earth element compound and 1.3-1.7 auxiliary agent. The preparation method includes seven steps. The water-soluble fertilizer has the advantages of complete nutrients, good compatibleness of nutrient elements, and high absorption and utilization of nutrient elements.

Description

technical field [0001] The invention belongs to the technical field of agriculture, and specifically relates to a humic acid chelated multi-element water-soluble fertilizer and a preparation method thereof. Background technique: [0002] Water-soluble fertilizers: liquid or solid fertilizers that are dissolved or diluted in water and used for irrigation and fertilization, foliar fertilization, soilless cultivation, soaking seeds and roots, etc. are called water-soluble fertilizers (water-soluble fertilizers are defined as the Ministry of Agriculture NY1106-2006 standard, namely " Water-soluble fertilizer containing humic acid "standard 3.1 definition of water-soluble fertilizer). [0003] Foliar fertilization is one of the important measures of modern agricultural production. With the development of science and technology, the water-soluble fertilizer products that use foliar fertilization as the main method are developing towards multi-element and multi-function. It provi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00
Inventor 刘倩冰刘伟俊王勇慧
Owner BEIJING ZHONGYAN MEIHUA BIOCHEM INST
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