Controlled release particle fertilizer used for controlling crop insect disease

A technology of medicinal fertilizers and pesticides, which is applied in the field of granular medicinal fertilizers and its preparation, and can solve the problems of unstable mixing of pesticides and fertilizers, inconsistent timing of pesticides and fertilizers, and decomposition of pesticides, etc.

Active Publication Date: 2012-02-15
GAUNGXI TIANYUAN BIOCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is "New Drug Fertilizer" (Application No.: 200620170623.4) about the controlled-release drug-fertilizer mixture product, but the core layer of this product is only to mix fertilizer with simple pesticide preparation, and the simple mixing of pesticide and fertilizer is mostly not Stable, easy to cause pesticide decomposition

Method used

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  • Controlled release particle fertilizer used for controlling crop insect disease
  • Controlled release particle fertilizer used for controlling crop insect disease
  • Controlled release particle fertilizer used for controlling crop insect disease

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Embodiment 1: urea 800Kg (nucleus), 3% chlorantraniliprole powder 90Kg (pesticide intermediate layer first layer), 3% thiamethoxam powder 90Kg, complex sodium nitrophenolate naphthalene acetic acid mixture (2: 1) 3Kg , (the second layer of the pesticide middle layer), waste engine oil 20Kg (release-controlled layer).

Embodiment 2

[0042] Embodiment 2: compound fertilizer 700Kg (nucleus), modified kaolin 100Kg (separation layer, isolate compound fertilizer and pesticide), diazinon crude oil 10Kg (pesticide intermediate layer), sulfur 190Kg (controlled release layer).

Embodiment 3

[0043] Embodiment 3: self-made compound fertilizer 800Kg (nucleus) containing 2% trace elements, flubendiamide former medicine 2Kg, nitenpyram former medicine 2Kg, fuconazole or tebuconazole former medicine 10Kg (pesticide middle layer), Calcium magnesium phosphate fertilizer 190Kg (controlled release layer).

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Abstract

The invention relates to a controlled release particle fertilizer used for controlling crop insect diseases. The fertilizer has a double layer core shell structure and is in a granular shape and comprised of a core, an interface layer cladding the core and a controlled release layer as a casing cladding the interface layer. The core contains fertilizers required by a crop, and the interface layer cladding the core contains pesticide; or according to production requirement, the core contains particles with pesticide, and the interface layer cladding the core contains fertilizers; and an outermost layer is a controlled release layer controlling dissolving of pesticide and fertilizers. According to the invention, pesticide and fertilizer can coexist stably and release slowly, so as to reduce drug application and fertilizing times during a crop fertility stage and save field labor.

Description

technical field [0001] The invention relates to an insecticidal, sterilizing and controlled-release granular medicinal fertilizer integrating nutrition, insecticidal and bactericidal effects and a production method thereof, in particular to a granular medicinal fertilizer and a preparation method thereof. Background technique [0002] Pesticides and fertilizers are the basic material guarantee for agricultural production and food security. However, due to the excessive use of pesticides and fertilizers, a series of problems such as environmental pollution have been brought about; due to untimely control of diseases and insect pests, it has often brought great losses to agricultural production; , It is easy to cause prosperous growth in the early stage, loss of fertilizer, and defertilization in the later stage. In order to reduce the environmental pollution caused by excessive use of fertilizers and prolong the validity period of fertilizers, slow-release fertilizers have a...

Claims

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Application Information

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IPC IPC(8): C05G3/02C05G3/60
Inventor 李卫国唐静刘玉生谭贤勇李现玲
Owner GAUNGXI TIANYUAN BIOCHEM
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