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Fertility-enhancing chelating sustained-release fertilizer

A slow-release fertilizer and chelation technology, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve the problems of low plant absorption and utilization rate, unstable fertilizer structure, and increased fertilizer efficiency, so as to improve disease resistance, accelerate growth, Growth-promoting effect

Inactive Publication Date: 2011-05-04
王通华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

After market research and research on compound fertilizers, it is believed that the main reason for this is that the structure of fertilizers is unstable, the absorption and utilization rate of plants is low, and the fertilizers lack essential amino acids and other elements necessary for crops. Combining slow-acting and quick-acting, a new product of energy-gathering chelated slow-release fertilizer has been developed to increase fertilizer efficiency and combine speed and slow-acting

Method used

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Embodiment

[0037] Film thickness 0.2-0.3mm

[0038] The urea of ​​the present invention is (containing N: 46.3%).

[0039] Monoammonium Phosphate (with P 2 o 5 : 44% containing N: 11%).

[0040] Potassium chloride is (contains K 2 O: 60%).

[0041] The coating agent is prepared by: 500 grams of urea, 60 grams of tall oil, 100 grams of calcium hydroxide, and 30 grams of paraffin, spraying 2-3 kilograms per ton of product to achieve the purpose of coating and slow release

[0042]According to the above preparation, the production of energy-gathering chelating slow-release fertilizer can be achieved through testing indicators: for every ton of energy-gathering chelating slow-release fertilizer produced, the nitrogen nutrient can reach 14.85%, the phosphorus nutrient can reach 15.09%, and the potassium nutrient can be achieved It can reach 15.0%, 0.084% boron nutrient, 0.112% manganese nutrient, 0.092% iron nutrient, 0.087% zinc nutrient, 0.096% copper nutrient, and 0.078% molybdenum nu...

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Abstract

The invention discloses a fertility-enhancing chelating sustained-release fertilizer. The fertilizer consists of the following raw materials in part by weight: 240 parts of urea, 343 parts of monoammonium phosphate, 250 parts of potassium chloride, 100 parts of humic acid, 40 parts of amino acid, 8 parts of borax, 4 parts of manganous sulfate monohydrate, 2 parts of ferrous sulfate, 4 parts of heptahydrate zinc sulphate, 4 parts of copper sulfate pentahydrate, 2 parts of sodium molybdate dihydrate and 3 parts of filming agent. The fertility-enhancing chelating sustained-release fertilizer is a high-concentration, long-acting and conservation-oriented sustained-release fertilizer.

Description

technical field [0001] The invention belongs to the technical field of agricultural fertilizers, in particular to an energy-gathering chelated slow-release fertilizer. Background technique [0002] Agriculture is the foundation of the national economy. In order to ensure the steady and healthy development of agriculture, especially during the 11th Five-Year Plan period, China must increase its investment in agriculture, and put agrochemicals and agriculture in an equally important position. Strengthening, the Ministry of Chemical Industry has listed the chemical fertilizer project as a key project to grasp. [0003] At present, as far as we know, China's fertilizer output is about 120 million tons (standardized fertilizer), which can only meet 70% of agriculture, and the more prominent problem is the structure of chemical fertilizers, N:P 2 o 5 : K 2 O=1:0.27:0.004 is much lower than 1:0.47:0.37 in developed countries. Since China has used less phosphorus and potassium f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 王通华
Owner 王通华
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