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Long-acting alkaline nitrogenous fertilizer and production method thereof

An alkaline, long-acting technology, applied in fertilization devices, fertilizer mixtures, agricultural gas emission reduction, etc., can solve the problems of destroying soil structure and ecological environment, soil acidification, etc.

Inactive Publication Date: 2012-07-04
GUANGXI NEW ORIENTATION CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A large amount of chemical fertilizers also lead to serious soil acidification, seriously destroying the structure of the soil and the ecological environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Long-acting alkaline nitrogen fertilizer, including medium and trace elements magnesium, sulfur, manganese, boron, zinc, plant nutrition conditioner and stable long-acting agent. Take 25 parts of urea, 43 parts of ammonium chloride, 16 parts of monoammonium phosphate, 11 parts of potassium chloride, 3 parts of magnesium calcium powder, 1 part of fly ash, trace elements (this product uses manganese, boron, zinc) 1 part, 0.5 part of plant nutrition conditioning agent (this product adopts polyaspartic acid) and 0.5 part of stable long-acting agent.

[0014] According to instruction 6, the preparation method of long-acting alkaline nitrogen fertilizer is: mix nitrogen and other raw materials evenly, add a little dose of plant nutrition conditioner and stabilizing long-acting agent, stir again and extrude the product produced as long-acting alkali Nitrogenous fertilizer.

[0015] The long-acting alkaline nitrogen fertilizer of this example has the following physical and che...

example 2

[0022] Long-acting alkaline nitrogen fertilizer, including medium and trace elements calcium, magnesium, sulfur, manganese, boron, zinc, plant nutrition conditioner and stable long-acting agent. Take 31 parts of urea, 38 parts of ammonium sulfate, 16 parts of monoammonium phosphate, 10 parts of potassium chloride, 3 parts of magnesium calcium powder, 1 part of fly ash, and trace elements (this product uses manganese, boron, zinc) 1 part by weight. 0.5 part, 0.5 part of plant nutrition conditioner (this product adopts polyaspartic acid) and 0.5 part of stable long-acting agent.

[0023] According to instruction 6, the preparation method of multifunctional and synergistic nitrogen fertilizer is as follows: after mixing nitrogen and other raw materials evenly, add a little dose of plant nutrition conditioner and stable long-acting agent, after stirring evenly, the product produced by extrusion is long-acting alkaline Nitrogen fertilizer.

[0024] The long-acting alkaline nitroge...

example 3

[0031] Long-acting alkaline nitrogen fertilizer, including medium and trace elements magnesium, sulfur, manganese, boron, zinc, plant nutrition conditioner and stable long-acting agent. Take 30 parts of urea, 39 parts of ammonium chloride, 16 parts of monoammonium phosphate, 10 parts of potassium chloride, 3 parts of magnesium calcium powder, 1 part of fly ash, trace elements (this product uses manganese, boron, zinc) 1 part, 0.5 part of plant nutrition conditioning agent (this product adopts polyaspartic acid) and 0.5 part of stable long-acting agent.

[0032] According to instruction 6, the preparation method of multifunctional and synergistic nitrogen fertilizer is as follows: after mixing nitrogen and other raw materials evenly, add a little dose of plant nutrition conditioner and stable long-acting agent, after stirring evenly, the product produced by extrusion is long-acting alkaline Nitrogen fertilizer.

[0033] The long-acting alkaline nitrogen fertilizer of this exam...

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PUM

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Abstract

The invention relates to a long-acting alkaline nitrogenous fertilizer and a production method thereof. The long-acting alkaline nitrogenous fertilizer is applied to the field of agriculture and forestry production and comprises trace elements, plant nutrition conditioners and stabilizing long-acting agents. The long-acting alkaline nitrogenous fertilizer is rich in secondary elements and trace elements which remarkably promote fast crop growth such as calcium, magnesium, sulphur, boron, manganese, zinc and the like necessary for crop growth and meets comprehensive requirements for crop nutrition. When the long-acting alkaline nitrogenous fertilizer is produced, urea, ammonium sulfate or ammonium chloride, pulverized fuel ash, magnesium calcium powder, zinc sulfate, manganese sulfate, disodium octoborate tetrahydrate and the like are prepared according to certain scientific proportions, plant nutrition conditioners and stabilizing long-acting agents of certain dosages are added then, and after full mixing and granulation, the long-acting alkaline nitrogenous fertilizer is produced. The long-acting alkaline nitrogenous fertilizer is simple in production process, easy in obtaining raw materials, overall in nutrition, and capable of providing secondary elements and trace elements while providing nitrogen for soil and plants, effectively improves utilization ratio, is suitable for acid soil due to the fact that potential of hydrogen (pH) value of the product is larger than 7, and has the advantages of improving soil and protecting the ecological environment and the like.

Description

technical field [0001] The invention relates to a long-acting alkaline nitrogen fertilizer, in particular to a long-acting alkaline nitrogen fertilizer with a pH value greater than 7, which can improve soil and protect the ecological environment and a preparation method thereof. Background technique [0002] The development of modern agriculture requires more and more nitrogen fertilizers. After nitrogen fertilizers are applied to the farmland, the part absorbed and utilized by crops only accounts for 40-60% of the total amount applied, and the rest is in the form of volatilization (NH3), leaching (NO 2 - and NO 3 - ) and denitrification are lost in vain, which not only wastes fertilizer, increases cost, but also leads to NO 2 - and NO 3 - Pollution of surface and ground water and atmospheric pollution by N2O (a product of nitrification and denitrification). The leaching and volatilization characteristics of nitrogen make the fertilizer effect period of nitrogen ferti...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/08C05G3/90
CPCY02P60/21
Inventor 陈海军杨锋蒙世协霍洁陈成
Owner GUANGXI NEW ORIENTATION CHEM IND
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