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Mango controlled release fertilizer and preparation method thereof

A technology for controlled-release fertilizer and mango, applied to the field of mango controlled-release fertilizer and its preparation, can solve the problems of inability to improve mango quality, unsatisfactory sugar-acid ratio, low fertilizer utilization rate, etc., so as to improve mango quality, quality and appearance. , comprehensive fertilizer effect

Inactive Publication Date: 2013-09-18
CHINA NAT OFFSHORE OIL CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, mango fertilization mainly uses quick-acting fertilizers, and there is no special fertilizer. Not only the utilization rate of fertilizers is low, but serious waste of resources is caused; the percentage of solids, Vc content, and sugar-acid ratio in mango fruits are not ideal enough, and cannot be improved. quality of mango

Method used

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  • Mango controlled release fertilizer and preparation method thereof
  • Mango controlled release fertilizer and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0072] Example 1: Special controlled-release fertilizer for mango

[0073] Mix the raw materials with a particle size of 2-5 mm according to the following ratio to obtain a special controlled-release fertilizer for mango:

[0074] The release period is 100 parts of 5% film-forming coated urea in 90 days;

[0075] 200 parts of urea;

[0076] 100 parts of diammonium phosphate;

[0077] Calcium magnesium phosphate fertilizer 70 parts

[0078] Potassium chloride 240 parts;

[0079] 4% film-forming potassium chloride with a release period of 60 days 120 parts

[0080] 10 parts of borax;

[0081] In the special controlled-release fertilizer for mango, the weight ratio of nitrogen, phosphorus pentoxide and potassium oxide is 16%: 6%: 24%, that is, 1: 0.4: 1.5;

[0082] The water-soluble nitrogen derived from urea: the mass ratio of the nitrogen element in the coated urea formed by reaction is 1:0.5;

[0083] The mass ratio of the water-soluble potassium derived from the potash...

Embodiment 2

[0085] Example 2: Special controlled-release fertilizer for mango

[0086] Mix the raw materials with a particle size of 2-5 mm according to the following ratio to obtain a special controlled-release fertilizer for mango:

[0087] Release period is 120 parts of 4% film-forming coated urea in 60 days;

[0088] 280 parts of urea;

[0089] 80 parts of diammonium phosphate;

[0090] Calcium magnesium phosphate fertilizer 80 parts

[0091] Potassium chloride 230 parts;

[0092] 150 parts of 3% reacted film-forming coated potassium chloride with a release period of 30 days

[0093] 15 parts of borax;

[0094] In the mango-specific controlled-release fertilizer, the weight ratio of nitrogen, phosphorus pentoxide, and potassium oxide is 20%: 4%: 24%, that is, 1: 0.2: 1.2;

[0095] The water-soluble nitrogen derived from urea: the mass ratio of the nitrogen element in the coated urea formed by reaction is 1:0.4;

[0096] The mass ratio of the water-soluble potassium derived from...

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Abstract

The invention discloses a mango controlled release fertilizer and a preparation method thereof. The controlled release fertilizer is prepared from 3-8% of envelope amount of reaction film-forming polymer coated urea, urea, diammonium phosphate, potassium chloride, borax and the like in a compounding manner. The special nutritional synchronous controlled release fertilizer for mango disclosed by the invention is reasonably proportioned according to the physiological characteristics and nutrient requirement rule of the mango, so as to achieve the targets of reducing fertilizing amount, synchronously supplying nutrients, providing fertilizer efficiency for a long period of time, and increasing production and upgrading. Thus, the production cost is reduced; non-point source pollution is also avoided; the economic benefit is improved; and the controlled release fertilizer has a wide application prospect.

Description

Technical field [0001] The present invention is the field of slow / controlling fertilizer, which involves a mango -controlled release method and its preparation methods. Background technique [0002] Mangifra Indica L. is a world -renowned tropical fruit tree. It is known as the "tropical king" and is one of the five world -famous fruits.Origin India, Malaysia and other places.Mango is also one of the most important tropical fruits in China. It is mainly distributed in Hainan, Guangdong, Guangxi, Yunnan, Sichuan, Fujian and Taiwan.Especially since the 1980s, China's mango commercial cultivation has developed rapidly, and it has become one of China's important tropical and subtropical cultivation fruit trees. [0003] With the increase of mango planting area, problems such as improving fertilizer and improving fruit quality have also been produced.At the same time, people pay more attention to the quality of fruits. Therefore, improving the quality of fruit is the key to the market...

Claims

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Application Information

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IPC IPC(8): C05G3/00
Inventor 曲均峰沈兵陈杰傅送保王国忠付玉娥
Owner CHINA NAT OFFSHORE OIL CORP
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