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Method for detecting loss-controlling rate of fertiliser nutrient loss-controlling agent agent

A detection method, loss control agent technology, applied in the direction of color/spectral characteristic measurement, special data processing applications, instruments, etc., can solve problems such as difficult to produce products, difficult to control product quality conditions, etc.

Inactive Publication Date: 2009-07-29
安徽帝元生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, fertilizer nutrient loss control agents have not been put into mass production. If there is no effective product quality inspection method after mass production, it will be difficult to control the quality of the product, and it will be difficult to produce products that meet the market and society requirements. requested product

Method used

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  • Method for detecting loss-controlling rate of fertiliser nutrient loss-controlling agent agent
  • Method for detecting loss-controlling rate of fertiliser nutrient loss-controlling agent agent
  • Method for detecting loss-controlling rate of fertiliser nutrient loss-controlling agent agent

Examples

Experimental program
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Effect test

Embodiment 1

[0033] A method for detecting the loss control rate of chemical fertilizer nutrient loss control agent, comprising the following steps:

[0034] (1) Three groups were set up during the test: one group was the background group without urea and fertilizer nutrient loss control agent, one group was the control group with 1 g of urea, and one group was the control group with 1 g of urea and 1% fertilizer nutrient loss control agent sample group;

[0035] (2) Put 10cm high fine sand into the leaching device, add 50ml of distilled water to infiltrate fully, drain the water, mix the control group and the sample group with fine sand of equal quality respectively and spread them flat on the fine sand; Cover the sample layer with fine sand 1cm high, add 5ml of distilled water, soak for 5 minutes, and drain the water before leaching begins;

[0036] (3) Add 100ml of distilled water, ensure that there is no accumulated water on the surface of the sand column during the water addition pro...

Embodiment 2

[0051] A method for detecting the loss control rate of chemical fertilizer nutrient loss control agent, characterized in that it comprises the following steps:

[0052] (1) Three groups were set up during the test: one group was the background group without urea and fertilizer nutrient loss control agent, one group was the control group with 1 g of urea, and one group was the control group with 1 g of urea and 25% fertilizer nutrient loss control agent sample group;

[0053] (2) Put 40cm high fine sand into the leaching device, add 300ml of distilled water to infiltrate fully, drain the water, mix the control group and the sample group with fine sand of equal quality respectively and spread them flat on the fine sand; Cover the sample layer with fine sand at a height of 2cm, add 100ml of distilled water, soak for 100 minutes, and drain the water before leaching begins;

[0054] (3) Add 300ml of distilled water, ensure that there is no accumulated water on the surface of the s...

Embodiment 3

[0069] A method for detecting the loss control rate of chemical fertilizer nutrient loss control agent, characterized in that it comprises the following steps:

[0070](1) Three groups were set up during the test: one group was the background group without urea and fertilizer nutrient loss control agent, one group was the control group with 1 g of urea, and one group was the control group with 1 g of urea and 10% fertilizer nutrient loss control agent sample group;

[0071] (2) Put 20cm high fine sand in the leaching device, add 120ml of distilled water to infiltrate fully, drain the water, mix the control group and the sample group with fine sand of equal quality respectively and spread them flat on the fine sand; Cover the sample layer with fine sand at a height of 1.5cm, add 50ml of distilled water, soak for 20 minutes, and drain the water before leaching begins;

[0072] (3) Add 200ml of distilled water, ensure that there is no accumulated water on the surface of the sand...

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Abstract

The invention relates to a detection method of loss control ratio of a loss control agent of fertilizer nutrients. The method comprises the following steps: setting three groups which are a background group, a control group and a sample group in detection; putting fine sand in a leaching device, adding distilled water for infiltration, draining water, fully mixing the control group and the sample group with equivalent mass of fine sand, and laying on the fine sand; covering a sample layer with the fine sand, and infiltrating with the distilled water, draining the water before leaching; adding the distilled water again, leaching at fixed flow rate, collecting a leaching water sample, measuring urea content of the leaching water sample by diacetyl-oxime spectrophotography, measuring light absorption values at 460nm wavelength; and calculating the measured values according to a formula to obtain the loss control ratio. The method helps accurately detect the loss control ratio of the loss control agent of the fertilizer nutrients by a simple and effective way, thus realizing effective control of the product quality, and producing the products meeting the market and social requirements.

Description

technical field [0001] The invention relates to a product quality detection method, in particular to a detection method for detecting whether the loss control rate of a finished chemical fertilizer nutrient loss control agent is up to standard. Background technique [0002] According to the statistics of the National Bureau of Statistics, my country's chemical fertilizer consumption accounted for 37.1% of the world's total consumption in 2006. The production of chemical fertilizers is booming, and it is gratifying. stare. With the conventional way of applying chemical fertilizers, plants can only absorb about 30%, and about 70% are lost, which not only causes economic losses but also causes environmental pollution. How to control the loss of fertilizers, reduce the cost of agricultural production, and reduce environmental pollution is an important research topic in China and the world. In response to the current situation, my country has developed its own chemical fertilize...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/31G06F19/00
Inventor 张韬叶郭刚刘洁孙文高斌
Owner 安徽帝元生物科技有限公司