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Special medium-concentration slow release fertilizer for sugarcanes

A concentration slow-release and slow-release fertilizer technology, applied in the application, fertilization device, fertilizer mixture and other directions, can solve the problems of variable fertilization, low sugar content, low cost, etc., to improve agricultural output, increase sugar production, The effect of improving the emergence rate

Inactive Publication Date: 2012-10-10
SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a kind of sugarcane special-purpose medium-concentration fertilizer aiming at various nutrients needed for sugarcane growth, and adopt medium-concentration slow-release fertilizer formula to prepare sugarcane coated type high-efficiency slow-release fertilizer, which can make the coated type high-efficiency slow-release fertilizer have High effective fertilizer content and low cost, and the coating material does not pollute the environment, effectively solve the current production technology problems of low sugarcane yield, low sugar content and changing multiple fertilization into one fertilization, which is the future of sugarcane slow-release fertilizer Key directions of development

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The medium-concentration slow-release fertilizer special for sugarcane provided by the invention can be produced by small and medium-sized fertilizer enterprises according to the formula ratio.

[0026] The production of 1 ton of nitrogen, phosphorus and potassium content in the ratio of 20-10-5 sugarcane special medium-concentration slow-release fertilizer requires raw material fertilizer: 423kg of urea with 46% N content; 2 o 5 61 kg of monoammonium phosphate with 49% N content and 9% N content; 2 o 5 389 kg of calcium magnesium phosphate fertilizer with an amount of 18%; containing K 2 O content 60% potassium chloride 84 kg; filler 43 kg.

Embodiment 2

[0028] The medium-concentration slow-release fertilizer special for sugarcane provided by the invention can be produced by small and medium-sized fertilizer enterprises according to the formula ratio.

[0029] The production of 1 ton of nitrogen, phosphorus and potassium content in the ratio of 20-10-5 sugarcane special medium-concentration slow-release fertilizer requires raw material fertilizer: 415 kg of urea with 46% N content; 2 o 5 102 kg of monoammonium phosphate with 49% N content and 9% N content; 2 o 5 278 kg of 18% calcium magnesium phosphate fertilizer; containing K 2 O content 60% potassium chloride 84 kg; filler 121 kg.

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Abstract

The invention relates to a special medium-concentration slow release fertilizer for sugarcanes. The slow release fertilizer contains nitrogen, phosphorus and potassium according to the ratio that nitrogen: phosphorus: potassium equals 20: 10: 5. The special medium-concentration slow release fertilizer disclosed by the invention can effectively improve the emergence rate, tillering rate and plant height of the sugarcanes and significantly improve the agricultural yield and sugar yield of the sugarcanes; tests prove that the yield per unit of the sugarcanes and the sugar yield of the sugarcanes are improved; and the quality of the sugarcanes is obviously improved, and the special medium-concentration slow release fertilizer is more suitable for being applied to soil with medium-concentration fertilizers in sugarcane areas in tropical and sub-tropical regions in southern China.

Description

Technical field: [0001] The invention relates to agricultural fertilizers, in particular to a medium-concentration slow-release fertilizer specially used for sugarcane. Background technique [0002] Sugarcane is an important sugar crop in my country, with a long growth cycle, high production and high nutrient demand. There are two sources for sugarcane to absorb nutrients from the soil. One is the fertilization capacity of the soil itself, which is mainly affected by soil fertility and texture, and the other is the supply by artificial fertilization. In modern sugarcane agriculture, artificial fertilization has become the most important measure for sugarcane production and high-yield and high-sugar cultivation. In the main sugarcane producing areas in my country, multiple fertilizations are required to meet the nutrients required for sugarcane production. Generally, the entire production period of sugarcane requires the application of basal fertilizer, seedling fertilizer, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 邓军杨运荣张跃彬杨绍维郭家文王伟国刘少春樊仙刀静梅
Owner SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI
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