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Wheat grain lead control agent as well as preparation method and application method thereof

A technology of wheat grains and application methods, applied in the field of environmental pollution control, can solve the problems of lack of lead control technology in wheat grains, ignoring the contribution of lead content in atmospheric dust, etc.

Inactive Publication Date: 2021-04-20
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing technologies and prevention and control products all pay attention to the prevention and control of lead absorption in the soil, while ignoring the contribution of atmospheric dustfall to the lead content of wheat grains. Lead Control Technology in Wheat Grain

Method used

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  • Wheat grain lead control agent as well as preparation method and application method thereof
  • Wheat grain lead control agent as well as preparation method and application method thereof
  • Wheat grain lead control agent as well as preparation method and application method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] This embodiment provides a wheat grain lead control agent for air-soil synergistic prevention and control, which includes three components A, B, and C, wherein the A agent is made of the following raw materials in mass percentages:

[0038] Calcium phosphate 6.5%, Fe 3 o 4 @C-COOH3.5%, nano-manganese sulfate 0.2%, nano-zinc sulfate 0.2%, nano-magnesium sulfate 0.2%, the balance is urea;

[0039] Agent B is made of the following raw materials in mass percentage: nano-magnesium sulfate 1%, humic acid 3%, Fe 3 o 4 @C-COOH0.5%, alkyl naphthalene sulfonate 1%, the balance is water;

[0040] Agent C is made from the following raw materials in mass percentage: 0.3% nano-manganese sulfate, 0.3% nano-zinc sulfate, 3% humic acid, Fe 3 o 4 @C-COOH 0.2%, alkyl naphthalene sulfonate 1%, balance water.

[0041] The preparation method of described lead control agent, wherein, the preparation method of A agent comprises the following steps:

[0042] S1: Weigh the raw materials i...

Embodiment 2

[0055] Raw material and operation in the present embodiment are all identical with embodiment 1, difference is:

[0056] The content of urea in Agent A is 88.1%, the content of calcium phosphate is 7%, the content of Fe3O4@C-COOH is 4%, the content of nano manganese sulfate is 0.3%, the content of nano zinc sulfate is 0.3%, and the content of nano magnesium sulfate is 0.3%;

[0057] The content of nano-magnesium sulfate in Agent B is 0.5%, the content of humic acid is 2%, and the content of alkylnaphthalene sulfonate is 0.5%; the interval between each spraying is 19 days;

[0058] The content of nano-manganese sulfate in agent C is 0.2%, the content of nano-zinc sulfate is 0.2%, the content of humic acid is 2%, Fe 3 o 4 The content of @C-COOH is 0.1%, the content of alkyl naphthalene sulfonate is 0.5%, and the interval between each spraying is 7 days.

Embodiment 3

[0060] Raw material and operation in the present embodiment are all identical with embodiment 1, difference is:

[0061] The content of urea in Agent A is 90.7%, the content of calcium phosphate is 6%, Fe 3 o 4 The content of @C-COOH is 3%, the content of nano-manganese sulfate is 0.1%, the content of nano-zinc sulfate is 0.1%, and the content of nano-magnesium sulfate is 0.1%;

[0062] The content of nano-magnesium sulfate in agent B is 1.5%, the content of humic acid is 4%, and the content of Fe 3 o 4 The content of @C-COOH is 1%, the content of alkyl naphthalene sulfonate is 1.5%, and the interval between each spraying is 21 days;

[0063] In agent C, the content of nano manganese sulfate is 0.4%, the content of nano zinc sulfate is 0.4%, the content of humic acid is 4%, Fe 3 o 4 The content of @C-COOH is 0.3%, the content of alkyl naphthalene sulfonate is 1.5%, and the interval between each spraying is 5 days.

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Abstract

The invention provides a wheat grain lead control agent as well as a preparation method and application method thereof. The wheat grain lead control agent is prepared from an agent A, an agent B and an agent C. The agent A is prepared from 6-7% of calcium phosphate, 3-4% of Fe3O4@C-COOH, 0.1-0.3% of nano manganese sulfate, 0.1-0.3% of nano zinc sulfate, 0.1-0.3% of nano magnesium sulfate and the balance of urea. The agent B is prepared from the following raw materials of: 0.5-1.5% of nano magnesium sulfate, 2-4% of humic acid, 0.5-1% of Fe3O4@C-COOH, 0.5-1.5% of alkyl naphthalene sulfonate and the balance of water. The agent C is prepared from the following raw materials of: 0.2-0.4% of nano manganese sulfate, 0.2-0.4% of nano zinc sulfate, 2-4% of humic acid, 0.1-0.3% of Fe3O4@C-COOH, 0.5-1.5% of alkyl naphthalene sulfonate and the balance of water. The invention also provides an application method of the lead control agent. The method comprises the following steps that: S1: after wheat turns green, the agent A is applied into wheat soil; S2, after the wheat sprouts out stems, the agent B is sprayed to wheat leaves; and S3, after the wheat is under grain filling, the agent C is sprayed onto the wheat leaves. The lead control agent and the application method provided by the invention can be used for atmosphere-soil two-end synergistic lead control on the wheat, and are harmless to the environment and human bodies.

Description

technical field [0001] The invention belongs to the technical field of environmental pollution control, and in particular relates to a wheat grain lead control agent and a preparation and application method thereof. Background technique [0002] With the rapid advancement of industrialization and urbanization, the phenomenon of heavy metal pollution in food has become increasingly prominent. Once heavy metals enter crops, they will endanger human health through the food chain. The pollution phenomenon of lead in wheat is relatively common, and it is the heavy metal element with the highest accumulation rate in soil. Wheat is the third largest food crop in the world after rice and corn. It is the main dietary component of Chinese residents and is also considered to be one of the main sources of human lead intake. Therefore, it is particularly important to scientifically prevent and control lead pollution in wheat and ensure food hygiene quality and safety. The current resea...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/80A01C21/00A01G22/20
Inventor 马闯金凯张宏忠赵继红张肖静刘福勇解潘郁亚伟陈笑语胡万达王怡飞
Owner ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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