Soil disinfectant and soil disinfecting and sterilizing method

A soil disinfectant and soil technology, applied in the field of agriculture, can solve problems such as difficult large-scale application, harm to human health, and insufficient disinfection, and achieve the effects of accelerating oxidation-reduction reactions, promoting pesticide degradation, and enriching oxygen

Active Publication Date: 2012-10-03
凌天骏 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the existing soil disinfection methods can achieve certain effects, chemical disinfection methods are likely to pollute the environment and endanger human health, while the existing physical disinfection methods are difficult to apply on a large scale, and can only act on the surface layer of a few centimeters of the ground surface , cannot go deep into the formation of tens of centimeters, the disinfection is not thorough enough

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Follow the steps below to disinfect and sterilize the soil:

[0023] 1. According to the concentration of 1mol chelated iron, 1mol chelated zinc, 1mol chelated potassium, and 1mol chelated manganese per liter of aqueous solution (the above chelated iron, chelated zinc, and chelated potassium manganese are the pure grades of analytical reagents, all (purchased from Tianfeng Agricultural Technology Group) to prepare 300ml of a mixed aqueous solution of chelated iron, chelated zinc, chelated potassium, and chelated manganese. The chelating agent used is diethylenetriaminepentaacetic acid.

[0024] 2. Prepare 30L of aqueous hydrogen peroxide solution with a concentration of 50% oxygen.

[0025] 3. Add the mixture from step 1 evenly into 1 mu of ordinary soil to be disinfected (tested before the test, there are many kinds of common bacteria and insect eggs in the soil, and the content of trace elements is low).

[0026] 4. After the mixed solution penetrates into the soil,...

Embodiment 2

[0029] Follow the steps below to disinfect and sterilize the soil:

[0030] 1. According to the concentration of 1mol chelated iron, 1mol chelated zinc, 1mol chelated potassium, and 1mol chelated manganese per liter of aqueous solution (the above chelated iron, chelated zinc, and chelated potassium manganese are the pure grades of analytical reagents, all (purchased from Tianfeng Agricultural Technology Group) to prepare 600ml of mixed aqueous solution of chelated iron, chelated zinc, chelated potassium, and chelated manganese. The chelating agent used is diethylenetriaminepentaacetic acid.

[0031] 2. Prepare 20L of aqueous hydrogen peroxide solution with a concentration of 60% oxygen.

[0032] 3. Add the mixture from step 1 evenly into 1 mu of ordinary soil to be disinfected (tested before the test, there are many kinds of common bacteria and insect eggs in the soil, and the content of trace elements is low).

[0033] 4. After the mixed solution penetrates into the soil, a...

Embodiment 3

[0036] Follow the steps below to disinfect and sterilize the soil:

[0037] 1. According to the concentration of 1mol chelated iron, 1mol chelated zinc, 1mol chelated potassium, and 1mol chelated manganese per liter of aqueous solution (the above chelated iron, chelated zinc, and chelated potassium manganese are the pure grades of analytical reagents, all (purchased from Tianfeng Agricultural Technology Group) to prepare 400ml of mixed aqueous solution of chelated iron, chelated zinc, chelated potassium, and chelated manganese. The chelating agent used is diethylenetriaminepentaacetic acid.

[0038] 2. Prepare 40L of aqueous hydrogen peroxide solution with a concentration of 40% oxygen.

[0039] 3. Add the mixture from step 1 evenly into 1 mu of ordinary soil to be disinfected (tested before the test, there are many kinds of common bacteria and insect eggs in the soil, and the content of trace elements is low).

[0040] 4. After the mixed solution penetrates the soil, add th...

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PUM

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Abstract

The invention belongs to the field of agriculture, and specifically provides a soil disinfectant, which consists of a solution A and a solution B, and is characterized in that: the solution A contains a hydrogen peroxide decomposition catalyst; and the solution B contains hydrogen peroxide. The invention further provides a soil disinfecting method. The method comprises the following steps of: (1) adding the solution A into soil to be disinfected; and (2) adding the solution B into the soil to be disinfected after the solution A permeates into the soil. As proved by an experiment result, the solution A reacts with the solution B rapidly after contacting for decomposing oxygen and heating, the generated heat is used for heating soil to 70-150 DEG C and sterilizing bacteria and eggs in the soil, degradation of pesticides can be facilitated, and lands containing plenty of trace elements are provided; and the soil disinfectant is safe, reliable and environment-friendly.

Description

technical field [0001] The invention belongs to the field of agriculture, and in particular relates to a method for disinfecting and sterilizing soil. Background technique [0002] In the field of agricultural cultivation, bacteria, ground insect pests and pesticide residues are problems that seriously restrict sustainable production, often leading to crop diseases, reducing yield and quality, and causing heavy losses to farmers. For example, around the beginning of March in spring, it is very difficult to plant in the Guangdong area. The reason is that if the seedlings are planted at this time, they will be destroyed by dog ​​lice, and dog lice are caused by the underground eggs hatching in spring, so they will damage the crops. Seedlings are harmful. A large amount of pesticide residues affects food safety and also destroys the balance of the natural environment. [0003] Aiming at the problem of soil pests and diseases, the main solutions are physical disinfection and c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/02A01N59/00A01P1/00A01P7/00A01P5/00C05G3/60C05G3/80
CPCY02A50/30
Inventor 凌天骏胡伟略林勇进谭志雄
Owner 凌天骏
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