Controlled release fertilizer with natural insecticide efficacy

A technology of controlled-release fertilizers and slow-release fertilizers, which is applied in the field of natural plant sources and fertilizers, can solve the problems of large agricultural product residues, human damage, and labor decline, and achieve the effect of increasing insecticidal efficacy and reducing environmental pollution

Active Publication Date: 2013-03-06
HENAN GOODDAYS BIOLOGY DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of low utilization rate caused by the direct use of chemical fertilizers, large residues of agricultural products caused by the use of chemical pesticides, greater damage to the human body, and the increase in labor force caused by the separate use of pesticides and chemical fertili

Method used

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  • Controlled release fertilizer with natural insecticide efficacy
  • Controlled release fertilizer with natural insecticide efficacy
  • Controlled release fertilizer with natural insecticide efficacy

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0021] Example 1. Preparation of medium-concentration slow-release nitrogen fertilizer with natural insecticidal effect.

[0022] a) Add 647.95kg of urea into the disc granulator, and spray water while rotating to make the urea surface wet.

[0023] b) Mix 272.05kg of decomposed, dried and crushed powdered tobacco waste with 50kg of general clay.

[0024] c) Slowly add the material b) into the disc granulator containing the material a) so that the material b) is evenly wrapped on the outer surface of the material a).

[0025] d) Spray 30kg of resin coating agent on the outside of c) product.

[0026] e) Transport d) through the belt to the dryer for drying.

[0027] f) Cool the product of e) through a cooler.

[0028] g) Sieving the product of f) to obtain a slow and controlled-release nitrogen fertilizer with a natural insecticidal effect with a particle size of 1~4.75mm or 3.35~5.60mm.

Example Embodiment

[0029] Example 2. Preparation of medium-concentration slow-release compound fertilizer with natural insecticidal effect

[0030] a) The 50% compound fertilizer granules (N-P 2 O 5 -K 2 O=20-15-15) 500kg is added into the disc granulator, and 10kg of dissolved cellulose acetate and 10kg of dissolved ethylcellulose are sprayed onto the surface.

[0031] b) Slowly add 178 kg of the decomposed and dried and crushed powdered tobacco waste and 200 kg of the decomposed and dried and crushed powdered tea seed waste to a) the surface of the product, while slowly adding 0.5 kg of liquid gum arabic. 0.5kg of gelatin and 1kg of polyvinyl alcohol.

[0032] c) The product b) is sent to the dryer through the belt conveyor for drying.

[0033] d) The product of c) is cooled and sieved to obtain a slow and controlled-release compound fertilizer with a particle size of 3.35~5.60mm with natural insecticide efficacy.

[0034] e) Crush the unqualified particles sieved in d) and add them to the outer surfac...

Example Embodiment

[0036] Example 3. Preparation of a high-concentration slow and controlled-release blended fertilizer with natural insecticidal efficacy.

[0037] a) 50% compound fertilizer (N-P 2 O 5 -K 2 O=30-0-20) 600kg of granules are added into the disc granulator, and 20kg of resin coating liquid is sprayed while rotating.

[0038] b) Wrap 130 kg of decomposed powdered tea seed waste and 50 kg of general clay on the outer surface of a) product.

[0039] c) Dry and cool the b) product.

[0040] d) Sieving the product of c) to obtain slow and controlled release nitrogen and potassium fertilizer particles with a particle size of 3.35~5.60mm with natural insecticidal effect.

[0041] e) After crushing the unqualified product sieved in d), follow the process of a) to wrap this on the outer surface of 200kg monoammonium phosphate particles.

[0042] f) Mix d) product and e) product evenly to obtain a high-concentration slow and controlled-release blended fertilizer with natural insecticidal effect.

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Abstract

The invention discloses a controlled release fertilizer with a natural insecticide efficacy. The controlled release fertilizer takes chemical fertilizer as controlled release fertilizer core, and the controlled release fertilizer core is wrapped by coating material into micro capsules, the micro capsules are wrapped by natural plant decomposed materials and processed into granular controlled release fertilizer with the natural insecticide efficacy and the particle size of 1-4.75 mm or 3.35-5.60 mm after being dried; the natural plant decomposed materials comprise powder material after being crushed, decomposed and dried, wherein the powder material is tea seed residue after oil squeezing and/or tobacco waste after cigarette processing, and the amount of the natural plant decomposed material in weight percentage is 5-68.9%; according to the controlled release fertilizer with the natural insecticide efficacy, the active ingredients in the fertilizer are continuously and slowly released to the environment; and the purposes of fertilization and insecticide are realized through one-time application, the fertilizer not only has the property of controlled release, but also has insecticide material with natural efficacy, and the problem of resistance of chemical pesticide cannot be caused easily. The controlled release fertilizer is nontoxic for human and livestock and has no residue. Finally, the plant source waste can additionally provide organic nitrogen and potassium fertilizer for crops, waste is trolley converted into useful things, and the pollution to the environment is greatly reduced.

Description

technical field [0001] The invention relates to the field of natural plant sources and fertilizers with insecticidal effect, in particular to a slow-release fertilizer with natural insecticidal effect. technical background [0002] It has been recognized that chemical fertilizers play a pivotal role in increasing the yield of crops. At present, the utilization rate of chemical fertilizers is less than 30%, and the rest is lost with water and soil. The application of chemical fertilizers not only causes great waste, but also pollutes soil and groundwater resources. Therefore, the development of slow and controlled release fertilizers has been listed as a key development support project by the state. At present, fertilizers with slow and controlled release functions can only play a role in rational use of fertilizers and reduction of environmental pollution, but cannot be applied at one time. They can not only provide fertilizers for crops, but also serve the purpose of contr...

Claims

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Application Information

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IPC IPC(8): C05G3/02C05G3/00C05G3/60
Inventor 徐博
Owner HENAN GOODDAYS BIOLOGY DEV CO LTD
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