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Formulation useful as nitrification and urease inhibitor and method of producing the same

A urease inhibitor, inhibitor technology, applied in the direction of urea compound fertilizer, application, fertilizer form, etc., can solve the problems of high price and inability to use ordinary farmers

Inactive Publication Date: 2006-04-05
COUNCIL OF SCI & IND RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many fertilizer mixtures, coating materials, and especially synthetic chemicals have been used in limited applications, such as on pastures or in high value-added agriculture, such as commercial floriculture, but are not generally available in developed countries due to high prices. farmers

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0031] 1. Breeding experiment

[0032]A series of laboratory and greenhouse experiments were carried out in order to evaluate the effect of the proposed material as a potent urease and nitrification inhibitor. Artemisia annua oil was used as a natural product, and it was compared with dicyandiamide (DCD) as a standard reference. Urea (46% nitrogen) was coated with Artemisia annua oil and DCD, respectively, with castor oil (Ricinas communis) as immobilizing material. For this, a first coating of urea particles was produced by physically mixing castor oil (1%) with urea, followed by mixing with urea at 0.50% and 1.00% (by weight) with this natural product and DCD. After 24 hours of mixing, the coated urea was mixed with 500 g of soil (sandy soil, pH 8.2, available nitrogen 65 mg / kg) and packed in plastic containers. A control (urea only, uncoated) was used as a reference. Four replicates of each soil sample subjected to all treatments were incubated at 25°C after maintaining ...

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PUM

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Abstract

The invention relates to a formulation useful as a nitrification and urease inhibitor, said formulation comprising an effective amount of nitrogenous fertilizer, castor oil and oil derived from Artemisia annua, in an amount sufficient to enhance the nitrification activity of the formulation, a method for producing the formulation and method for applying the same to soil.

Description

[0001] scope of invention [0002] The present invention relates to a novel formulation for nitrification and urease inhibitors containing nitrogen fertilizers and castor and artemisia annua oils. More specifically, the present invention relates to the development of inexpensive and effective urease nitrification inhibitors derived from essential oils (Artemisia annua oil). The present invention also provides a process for the preparation of novel formulations useful as nitrification inhibitors. Background of the invention [0003] The use of fertilizers, especially urea, plays a key role in the agricultural consumables resulting from the expansion of food production. It is estimated that the current consumption of nitrogen fertilizer in the world is about 77Tg per year, and it is estimated that it will increase to 144Tg by the beginning of the next century. In India, the current consumption of nitrogen fertilizers is about 9.5 million tons and is estimated to increase to 14...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/08C05G3/00C05C9/00C05C3/00C05G3/90
CPCC05G3/0041C05C3/005C05G3/08C05C9/005C05G5/30C05G3/90Y02P60/21
Inventor D·D·帕特拉U·克瑞安M·安瓦尔S·阐德S·库马
Owner COUNCIL OF SCI & IND RES