Macroelement soluble fertilizer and preparation method thereof

A technology of microelement fertilizer and macroelement, which is applied in fertilizer mixture, fertilization device, application, etc., can solve the problems of scarcity and unfavorable situation, and achieve the effects of high nutrient content, reduced evaporation, and simple production process

Active Publication Date: 2013-02-27
安徽省文胜生物工程股份有限公司
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Problems solved by technology

But looking forward to the future, due to the shortage of fresh water and arable land in our country, the huge population and the rapid increase, there is still great

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  • Macroelement soluble fertilizer and preparation method thereof

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Embodiment 1

[0020] A water-soluble fertilizer with a large number of elements is characterized in that the weight parts (kg) of its raw materials are: dipotassium hydrogen phosphate 55, phosphoric acid 6, urea 35, zinc chloride 1, instant boron 3, edetate disodium 2.5 , animal hair, feathers 1, ammonium nitrate 10, centipede powder 3, distiller's grains 4, eucalyptus leaves 6, sugarcane leaves 8, modified tree ash 3.5, trace element fertilizer 5 and water 65.

[0021] The preparation method is characterized in that it comprises the following steps:

[0022] (1) Weigh each raw material according to the weight of the constituent raw materials, first add animal hair, feathers, etc. to 3 (kg) 25-35% sulfuric acid and hydrolyze it at 60-80°C for 8-10 hours to generate amino acids, then add lime to it And, according to the ratio of 15:3-4, add 3-4 parts by weight of carboxymethyl cellulose for every 15 parts by weight of hydrolyzed solution, then add phosphoric acid, urea, trace element fertili...

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Abstract

The invention discloses a macroelement soluble fertilizer and a preparation method thereof. The macroelement soluble fertilizer disclosed herein comprises 50-60 weight parts of dipotassium hydrogen phosphate, 5-7 weight parts of phosphoric acid, 33-38 weight parts of urea, 0.8-1.2 weight parts of zinc chloride, 2-4 weight parts of instant boron, 2-3 weight parts of disodium ethylene diamine tetraacetate, 1-2 weight parts of animal hair and feather, 8-12 weight parts of ammonium nitrate, 2-4 weight parts of stemona powder, 3-5 weight parts of vinasse, 5-7 weight parts of eucalyptus robusta leaf, 7-9 weight parts of sugarcane leaf, 2-5 weight parts of modified wood ash, 4-6 weight parts of trace element fertilizer, and 60-70 weight parts of water. According to the invention, amino acid is generated by acid hydrolysis and the like, then chelation is carried out on medium and trace elements, and the chelated structure is added to carboxymethyl cellulose, thus effective utilization of the medium and trace elements is benefited, and ineffective release of the medium and trace elements is benefited is reduced; the content of the nutrients included in the fertilizer is high, the production process is simple, the processes of evaporation, crystallization and drying are reduced, the produced dipotassium hydrogen phosphate solution can be directly used for preparing the liquid soluble fertilizer, the ph is 6.0-8.0, and there is no corrosion to pouring pipelines and nozzles.

Description

technical field [0001] The invention belongs to the field of water-soluble fertilizer production, and in particular relates to a large-element water-soluble fertilizer and a preparation method thereof. Background technique [0002] Water-soluble fertilizers with a large number of elements can be made from raw materials such as dipotassium hydrogen phosphate, phosphoric acid, urea, ammonium nitrate, and trace element fertilizers, and scientifically researched and formulated with additives such as chelating agents, solubilizers, and wetting agents. At present, my country accounts for 9% of the world's arable land, uses 6% of the world's fresh water resources, produces 26% of the world's agricultural products, and feeds 21% of the world's total population, which is already a miracle. But looking forward to the future, due to the shortage of fresh water and arable land in our country, the huge population and the rapid increase, the pressure to solve the living problems of our pe...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/02C05G3/60
Inventor 李文胜赵琳丽邓坤郑向阳王成志徐恩静刘其春赵国昌李伟
Owner 安徽省文胜生物工程股份有限公司
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