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A kind of humic acid synergistic ammonium phosphate and preparation method thereof

A technology of humic acid and ammonium phosphate, applied in fertilizer mixtures, fertilization devices, applications, etc., can solve the problems of poor effectiveness, ammonium phosphate slowing down phosphorus fixation, reducing fertilizer efficiency, etc., to improve soil, improve root vitality, and improve product quality. Effect

Active Publication Date: 2015-09-23
INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The most prominent problem in the application of phosphorus fertilizers in agricultural production is that the phosphorus applied to the soil will be quickly fixed by the soil, and will be converted into insoluble Ca-P compounds in the northern calcareous soil, and converted into Fe with poor availability in the southern red soil. -P compound and Al-P compound
At present, there are still many controversies in the academic circles about the modification of ammonium phosphate. Some people advocate slow-release method modification (such as coated ammonium phosphate). , 2007,22(5):64~67), but some people think that slow-release phosphorus fertilizer may lead to rapid fixation of phosphorus in the soil, reducing its fertilizer efficiency
However, it is not disputed that the modification and synergistic approach to ammonium phosphate is fundamentally to slow down the fixation of phosphorus in the soil

Method used

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  • A kind of humic acid synergistic ammonium phosphate and preparation method thereof
  • A kind of humic acid synergistic ammonium phosphate and preparation method thereof
  • A kind of humic acid synergistic ammonium phosphate and preparation method thereof

Examples

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Effect test

Embodiment 1

[0076] Embodiment 1: the production of humic acid synergistic ammonium phosphate fertilizer of the present invention

[0077] The implementation steps of this embodiment are as follows:

[0078] A. Preparation of humic acid synergist:

[0079] Use a pulverizer sold by Weifang Zhengyuan Powder Engineering Equipment Co., Ltd. under the trade name LHB self-distributing micro-powder machine, pulverize the raw material weathered coal to 80 mesh, and then add 0.1% sodium hydroxide with a concentration of 0.1% by weight, which is 10 times its weight Aqueous solution, heated and continued to boil for 20 minutes, then centrifuged using a centrifuge sold by Jiangsu Mudan Centrifuge Manufacturing Co., Ltd. under the trade name SGZ type scraper discharge centrifuge, and the supernatant obtained was used by Shanghai Dingtai Evaporator Co., Ltd. The concentrator sold by the company under the trade name vacuum decompression concentration tank is heated and concentrated at a temperature of 5...

Embodiment 2

[0088] Embodiment 2: the production of humic acid synergistic ammonium bicarbonate fertilizer of the present invention

[0089] The implementation steps of this embodiment are as follows:

[0090] A. Preparation of humic acid synergist:

[0091] Use the pulverizer sold by Qingdao Jimo Superfine Pulverizer Factory under the trade name Turbine Pulverizer, pulverize the raw material weathered coal to 100 mesh, add 12 times its weight, and the concentration is 0.5% sodium hydroxide aqueous solution by weight, and the heating continues Boil for 30 minutes, then use a centrifuge sold by Shanghai Chemical Machinery Factory Co., Ltd. under the trade name of horizontal screw discharge sedimentation centrifuge, and the obtained clear liquid is concentrated by Wenzhou Benuo Machinery Co., Ltd. under the trade name SN series double-effect energy-saving The vacuum concentrator sold by the company is heated and concentrated at a temperature of 50-80°C and a pressure of 100-120kpa until the...

Embodiment 3

[0100] Embodiment 3: the production of humic acid synergistic ammonium bicarbonate fertilizer of the present invention

[0101] The implementation steps of this embodiment are as follows:

[0102] A. Preparation of humic acid synergist:

[0103] Use the pulverizer sold by Qingdao Jimo Superfine Pulverizer Factory under the trade name Turbine Pulverizer, pulverize the raw material weathered coal to 90 mesh, add 12 times its weight, and the concentration is 0.2% sodium hydroxide aqueous solution by weight, and the heating continues Boil for 25 minutes, and then centrifuge using a centrifuge sold by Suzhou Batuo Centrifuge Manufacturing Co., Ltd. as an SB three-legged closed centrifuge. The supernatant obtained is commercialized by Changzhou Shenghang Pharmaceutical Equipment Co., Ltd. The vacuum concentrator sold by the famous ZN series vacuum decompression concentrator is heated and concentrated at a temperature of 50-80°C and a pressure of 100-150kpa until the solid content i...

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Abstract

The invention relates to a humic acid synergistic ammonium phosphate and a production method thereof. The fertilizer comprises the components in parts by weight as follows: 0.05-1.5 parts of a humic acid synergist and 98.5-99.95 parts of ammonium phosphate. The humic acid synergistic ammonium phosphate slows fixing of phosphorus in the soilin soil and increases the utilization rate of a phosphate fertilizer on the basis of nutrient releasing and utilization; the agricultural operation can be simplified on cultivation; the nutrient utilization rate can be increased (by 5-10%) on the benefit; nutrient loss can be reduced, secondary pollution is avoided, and the agriculture production cost is reduced; the humic acid synergistic ammonium phosphate has the characteristics that raw material sources are wide, transportation and application of the fertilizer are convenient, the mechanical operation is facilitated, and the like; and the addition technology is simple and the cost is low in the ammonium phosphate production, so that the humic acid synergistic ammonium phosphate has a wide application prospect in synergistic ammonium phosphate production and industrial promotion.

Description

【Technical field】 [0001] The invention belongs to the technical field of agricultural chemicals. More specifically, the present invention relates to a humic acid synergistic ammonium phosphate fertilizer, and also relates to a production method of the humic acid synergistic ammonium phosphate fertilizer. 【Background technique】 [0002] Ammonium phosphate is an important phosphate fertilizer variety in my country. It can be used as base fertilizer and topdressing fertilizer for wheat, cotton, vegetables and other crops in agricultural production. Ammonium phosphate is an important raw material for the production of compound fertilizer and BB fertilizer. The most prominent problem in the application of phosphorus fertilizers in agricultural production is that the phosphorus applied to the soil will be quickly fixed by the soil, and will be converted into insoluble Ca-P compounds in the northern calcareous soil, and converted into Fe with poor availability in the southern red s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G1/00
Inventor 赵秉强袁亮李燕婷王薇林治安温延臣杨相东李娟
Owner INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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