Preparation method for phosphorus fertilizer with high utilization rate

A utilization rate and phosphate fertilizer technology, applied in application, organic fertilizer, fertilization device, etc., can solve problems such as difficult chelation phosphate, insufficient available phosphorus, soil compaction, etc., to achieve increased air permeability, improved utilization rate, and sufficient absorption Effect

Inactive Publication Date: 2018-05-01
常州市瑞泰物资有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention: At present, most of the phosphate fertilizers produced in our country adopt the wet process phosphoric acid process technology route, which is to decompose the strong inorganic acid and phosphate rock powder, and then make it after decomposing, and after applying the traditional chemical phosphate fertilizer, wherein Most of the phosphorus and Ca in the soil 2+ , Mg 2+ , Fe 3+ 、A1 3+ Combined, insoluble chelated phosphates are formed and cannot be absorbed and utilized by plants, so that the available phosphorus in the soil is less than 5%, and the seasonal utilization rate of phosphorus is only 10% to 25%. Excessive application of phosphorus fertilizers leads to soil compaction. defect, a kind of preparation method of high utilization rate phosphate fertilizer is provided

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  • Preparation method for phosphorus fertilizer with high utilization rate

Examples

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Effect test

example 1

[0024]Weigh 0.1kg peeled sweet potato and cut into pieces and put it into a beaker with 0.8L deionized water. After boiling for 16 min, the boiled sweet potato is obtained. Filter the boiled sweet potato with 2 layers of gauze, remove the filter residue, and obtain the self-made filtrate. Add the self-made filtrate into a beaker with 0.5% of the self-made filtrate quality sucrose and 6% of the self-made filtrate quality deionized water, mix and stir for 20min, and sterilize in a pressure steam sterilizer at 100°C for 30min to obtain the self-made medium 1 , insert the Aspergillus niger strain into the self-made medium 1 according to the inoculation amount of 10%, and cultivate it for 5 days at 25°C to obtain the bacterial liquid matrix 1. In parts by weight, 10 parts of peptone and 10 parts of Pork paste and 6 parts of yogurt were mixed and stirred in a blender for 10 minutes. After stirring, 3 parts of dipotassium hydrogen phosphate, 2 parts of sodium alkyd, 4 parts of sucrose...

example 2

[0026] Weigh 0.1kg peeled sweet potato and cut into pieces and put it into a beaker with 0.9L deionized water. After boiling for 18min, the boiled sweet potato is obtained. The boiled sweet potato is filtered with 2 layers of gauze, and the filter residue is removed to obtain the self-made filtrate. The self-made filtrate was added into a beaker with 0.5% of the self-made filtrate quality sucrose and 6% of the self-made filtrate quality deionized water, mixed and stirred for 25min, and sterilized in a pressure steam sterilizer at 110°C for 35min to obtain the self-made medium 1, Insert the Aspergillus niger strain into the self-made medium 1 according to the inoculation amount of 10%, and cultivate it at 30°C for 6 days to obtain the bacterial liquid matrix 1. In parts by weight, 15 parts of peptone and 15 parts of pork The cream and 8 parts of yogurt were mixed and stirred in a blender for 11 minutes, and then added 4 parts of dipotassium hydrogen phosphate, 3 parts of sodium ...

example 3

[0028] Take by weighing 0.2kg peeled sweet potato and cut into pieces and put it into a beaker with 1.0L deionized water. After boiling for 20 min, the boiled sweet potato is obtained. Filter the boiled sweet potato with 3 layers of gauze, remove the filter residue, and obtain the self-made filtrate. Add the self-made filtrate into a beaker with 0.5% of the self-made filtrate quality sucrose and 6% of the self-made filtrate quality deionized water, mix and stir for 30min, and sterilize in a pressure steam sterilizer at 120°C for 45min to obtain the self-made medium 1 , insert the Aspergillus niger strain into the self-made culture medium 1 according to the inoculation amount of 10%, and cultivate it for 7 days at 35°C to obtain the bacterial liquid matrix 1. In parts by weight, 20 parts of peptone and 20 parts of Pork paste and 10 parts of yogurt were mixed and placed in a blender for 12 minutes, and then 5 parts of dipotassium hydrogen phosphate, 4 parts of sodium alkyd, 6 par...

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Abstract

The invention discloses a preparation method for a phosphorus fertilizer with high utilization rate, and belongs to the technical field of phosphorus fertilizer preparation. According to the invention, through preparation of three phosphorus-dissolving microbial strains of aspergillus niger, lactic acid bacteria and acetic acid bacteria, organic acids or inorganic acids secreted by the phosphorus-dissolving microbial strains in the metabolic process promote dissolution of an insoluble phosphorus source and can act with ineffective phosphorus in phosphorus ore or soil; wastes like phosphorus ore tailings and rice straw are utilized to create conditions for preparation of the phosphorus fertilizer, wherein phosphorus ore tailing powder and the rice straw are rich in phosphorus; and the ricestraw also contains crude protein, can provide a sufficient nitrogen source for growth of phosphorus-dissolving microbes and increase air permeability of a culture medium, and provides a sufficient carbon source for the phosphorus-dissolving microbes, wherein three strains of aspergillus niger, lactic acid bacteria and acetic acid bacteria have good phosphorus-dissolving effect, and can well decompose the phosphorus ore tailings and the rice straw through compounding, so a plant can more completely absorb the phosphorus; the utilization rate of the phosphorus fertilizer can be further improved; and extensive application prospect is achieved.

Description

technical field [0001] The invention discloses a method for preparing phosphate fertilizer with high utilization rate, and belongs to the technical field of phosphate fertilizer preparation. Background technique [0002] Phosphate fertilizer is a fertilizer whose main nutrient is phosphorus. Full name phosphorus fertilizer. The size and speed of phosphate fertilizer fertilizer effect are determined by the content of effective phosphorus pentoxide in phosphate fertilizer, soil properties, fertilization methods, crop types, etc. [0003] Fertilization has become one of the indispensable technical measures of agricultural production, contributing more than half of crop production. The utilization rate of fertilizers in China has always been relatively low. For example, the average utilization rate of nitrogen fertilizers for current crops is only about 30%, which is nearly 20 percentage points lower than that of developed countries. This is due to the unscientific fertilizati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00
CPCC05B17/00C05F11/00C05F11/08
Inventor 徐颜峰杨立军陈莉莉
Owner 常州市瑞泰物资有限公司
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