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Special rice slow/controlled-release compound fertilizer for improving rice fragrance

A compound fertilizer and fragrance technology, applied in fertilizer mixtures, ammonium orthophosphate fertilizers, alkaline orthophosphate fertilizers, etc., can solve the problem of low utilization efficiency of micro-fertilizers, reduce farmers' enthusiasm for applying micro-fertilizers, increase fertilization times and production costs, etc. problems, to achieve the effect of improving fertilizer utilization, scientific components, and simple use methods

Pending Publication Date: 2020-04-14
YANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most studies focus on the impact of the type and amount of micro-fertilizers on the aroma of rice. Although these measures can increase the aroma of rice and improve the taste quality of rice, they increase the frequency of fertilization and production costs, and reduce the use of micro-fertilizers by farmers. enthusiasm, and the utilization efficiency of the applied micro-fertilizer is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A special slow-controlled release compound fertilizer for rice that improves the aroma of rice, the preparation steps of which are as follows:

[0017] (1) 80 kilograms of polylactic acid-glycolic acid copolymers and 20 kilograms of amino acid chelated zinc are mixed uniformly by mass;

[0018] (2) Stir the mixed polylactic acid-glycolic acid copolymer and amino acid chelated zinc at a temperature of 50-75° C. to form a fluid colloid in the body of the coating film composition;

[0019] (3) Send 2000 kg of NPK bulk particles into the fluidized bed and heat to 60-75°C;

[0020] (4) Leave the nitrogen, phosphorus and potassium mixture body particles in the step (3) from the fluidized bed, and spray the coating film assembly body fluid colloid onto the surface of the nitrogen, phosphorus, and potassium mixture body particles with a nozzle at the same time, and the coating assembly The body is cooled and solidified on the surface of the nitrogen, phosphorus and potassium m...

Embodiment 2

[0022] A special slow-controlled release compound fertilizer for rice that improves the aroma of rice, the preparation steps of which are as follows:

[0023] (1) 60 kilograms of polylactic acid-glycolic acid copolymers and 40 kilograms of amino acid chelated zinc are mixed uniformly by mass;

[0024] (2) Stir the mixed polylactic acid-glycolic acid copolymer and amino acid chelated zinc at a temperature of 50-75° C. to form a fluid colloid in the body of the coating film composition;

[0025] (3) Send 2900 kg of nitrogen, phosphorus and potassium mixture bulk particles into the fluidized bed and heat to 60-75°C;

[0026] (4) Leave the nitrogen, phosphorus and potassium mixture body particles in the step (3) from the fluidized bed, and spray the coating film assembly body fluid colloid onto the surface of the nitrogen, phosphorus, and potassium mixture body particles with a nozzle at the same time, and the coating assembly The body is cooled and solidified on the surface of t...

Embodiment 3

[0028] A special slow-controlled release compound fertilizer for rice that improves the aroma of rice, the preparation steps of which are as follows:

[0029] (1) 70 kilograms of polylactic acid-glycolic acid copolymers and 30 kilograms of amino acid chelated zinc are mixed uniformly by mass;

[0030] (2) Stir the mixed polylactic acid-glycolic acid copolymer and amino acid chelated zinc at a temperature of 50-75° C. to form a fluid colloid in the body of the coating film composition;

[0031] (3) Send 2400 kg of nitrogen, phosphorus and potassium mixture bulk particles into the fluidized bed and heat to 60-75°C;

[0032] (4) Leave the nitrogen, phosphorus and potassium mixture body particles in the step (3) from the fluidized bed, and spray the coating film assembly body fluid colloid onto the surface of the nitrogen, phosphorus, and potassium mixture body particles with a nozzle at the same time, and the coating assembly The body is cooled and solidified on the surface of t...

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Abstract

The invention discloses a special rice slow / controlled-release compound fertilizer for improving the rice fragrance, and belongs to the technical field of agricultural fertilizers, the fertilizer comprises a nitrogen-phosphorus-potassium mixture body and an amino acid chelated zinc modified polylactic acid-glycolic acid copolymer coated film, the formula is science, the preparation method is simple and convenient, rich medium-trace element nutrients can be provided for the growth and development period of rice; trace element nutrient supply lacking in soil is supplemented; the content of fragrant substances in rice grains is improved; the nutrient release period of the nitrogen-phosphorus-potassium compound fertilizer with the coating structure can be accurately controlled within 2 monthsto 4 months by adjusting the dosage of the polylactic acid-glycolic acid copolymer, so that accurate space-time matching of nutrient requirements in the whole growth period of the rice is achieved, and stable and high yield of the rice is guaranteed. The fertilizer utilization rate of rice can be greatly improved, the influence of agricultural fertilization on the environment is reduced, the yieldof rice grains is increased, the taste quality of rice is improved, and the application prospect is good.

Description

technical field [0001] The invention belongs to the technical field of agricultural fertilizers, and relates to a slow-controlled release compound fertilizer for rice that improves the aroma of rice, in particular to a slow-release compound fertilizer coated with amino acid chelated zinc-modified polylactic acid-glycolic acid copolymer. Controlled release compound fertilizer. Background technique [0002] Rice is the main ration crop in my country, and its stable and high yield is the key to ensuring food security in my country. With the development of the national economy and the intensification of competition in foreign markets, major changes have taken place in the pattern of rice demand in my country in recent years. Urban and rural residents tend to consume high-quality rice (good taste), and high-quality rice with good taste occupies more and more in rice production and market share. more important position. Under the new situation, the planting area of ​​high-quality...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/40
CPCC05B7/00
Inventor 张海鹏魏海燕张洪程郭保卫高辉杨艳菊
Owner YANGZHOU UNIV
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