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Corn field herbicide

A herbicide and cornfield technology, applied in the direction of herbicides, algicides, biocides, biocides, etc., can solve problems such as different sowing dates and weed differences in cornfields

Inactive Publication Date: 2015-01-07
QINGDAO RUNXIN WEIYE TECH & TRADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 2. There are obvious differences in the occurrence of weeds in cornfields due to different sowing dates

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A cornfield herbicide, said herbicide is made according to the following raw materials in weight fractions: 25 parts of atrazine, 18 parts of refined metolachlor, 20 parts of metolachlor, 13 parts of acetochlor, isopropyl Pretilachlor 13 parts, nicosulfuron 9 parts. (1Kg per serving)

[0014] Select 150-200 milliliters of the herbicide composition suspending agent of the present invention per mu, dilute it with 50 kilograms of water, and evenly spray it on the ground surface, which can play a double effect of sealing off various weeds.

Embodiment 2

[0016] A cornfield herbicide, the active ingredients of the composition are atrazine, pure metolachlor, metolachlor, acetochlor, metolachlor, nicosulfuron, according to the following parts by weight Made of raw materials: 20 parts of atrazine, 18 parts of refined metolachlor, 18 parts of metolachlor, 10 parts of acetochlor, 10 parts of metolachlor, and 8 parts of nicosulfuron. (1Kg per serving)

[0017] Select 150-200 milliliters of the herbicide composition suspending agent of the present invention per mu, dilute it with 50 kilograms of water, and evenly spray it on the ground surface, which can play a double effect of sealing off various weeds.

Embodiment 3

[0019] A cornfield herbicide, the active ingredients of the composition are atrazine, pure metolachlor, metolachlor, acetochlor, metolachlor, nicosulfuron, according to the following parts by weight Made of raw materials: 30 parts of atrazine, 25 parts of refined metolachlor, 25 parts of metolachlor, 15 parts of acetochlor, 15 parts of metolachlor, and 10 parts of nicosulfuron. (1Kg per serving)

[0020] Select 150-200 milliliters of the herbicide composition suspending agent of the present invention per mu, dilute it with 50 kilograms of water, and evenly spray it on the ground surface, which can play a double effect of sealing off various weeds.

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PUM

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Abstract

The invention relates to a herbicide composition, and in particular relates to a corn field herbicide. The herbicide composition comprises the following active ingredients in parts by weight: 20-30 parts of atrazine, 18-25 parts of s-metolachlor, 18-25 parts of metolachlor, 10-15 parts of acetochlor, 10-15 parts of propisochlor and 8-10 parts of nicosulfuron. The corn field herbicide is used for inhibiting weed seed germination and bud growth, and enables buds to be seriously dwarfed and finally die. The corn field herbicide is short in residual life in soil, wherein the residual life is generally 1-3 months; the corn field herbicide is easily degraded in a plant body.

Description

technical field [0001] The invention relates to a herbicide composition, in particular to a cornfield herbicide. Background technique [0002] Main weed species in cornfields: Broad-leaved weeds include amaranthus retroflexus, Chenopodium, Heliconia, nightshade, amaranth, velvetleaf, amaranthus, purslane, etc. Gramineous weeds include foxtail, crabgrass, cow tendon grass, etc.; Cyperaceae weeds include Cyperus cyperus, etc. [0003] Occurrence of weeds in cornfields: [0004] 1. According to natural conditions and farming methods, weeds in cornfields can be divided into 6 weed damage areas. Our province belongs to the main producing area of ​​summer corn in Huanghuaihai, and the main weeds in cornfields are crabgrass, purslane, goosegrass, field bindweed, quinoa, foxtail and so on. In recent years, with the widespread use of amide, triazine herbicides and their compounding agents in cornfields, Cyperus rotundum and bindweed have gradually become dominant weeds. [0005] ...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01P13/00A01N43/70A01N37/26A01N37/22
Inventor 任知良王明刚
Owner QINGDAO RUNXIN WEIYE TECH & TRADE
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