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Chemical disinfection method for panax notoginseng continuous cropping soil

A chemical disinfection and soil technology, applied in the fields of soil steam disinfection, chemistry, application, etc., can solve the problems of deterioration of soil physical and chemical properties, accumulation of autotoxic allelopathic substances, outbreak of soil-borne diseases, etc. Growth vigor and the effect of increasing nitrogen accumulation and mineralization

Inactive Publication Date: 2017-01-25
文山苗乡三七科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide a method for chemical disinfection of the soil of Panax notoginseng continuous cropping, which can solve the problems of deterioration of soil physical and chemical properties, nutritional imbalance, accumulation of autotoxic allelochemical substances and outbreak of soil-borne diseases caused by continuous cropping of Panax notoginseng

Method used

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  • Chemical disinfection method for panax notoginseng continuous cropping soil

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Embodiment 1

[0020] A method for chemical disinfection of notoginseng continuous cropping soil, comprising sequentially:

[0021] Pre-fumigation treatment: Plow 15cm deep in the continuous cropping field where a crop of Panax notoginseng has been planted and the relative humidity is 10%, dry the soil for 20 days, fully and evenly rotate the soil to ensure that the maximum diameter of the soil particles is less than 2cm, and then form a ridge.

[0022] Fumigation treatment: the chloropicrin stock solution with active ingredient content of 99.5% is injected into the soil, the depth of the chloropicrin stock solution injected into the soil is 15cm, and the distance between two adjacent injection points is 30cm, and the injection volume is 2ml, compact the injection hole after the injection, and then cover the TIF film above the soil, make the soil fit the film, and compact the edge.

[0023] Post-fumigation treatment: remove the TIF film after 20 days of fumigation with the cover film, and de...

Embodiment 2

[0027] A method for chemical disinfection of notoginseng continuous cropping soil, comprising sequentially:

[0028] Pre-fumigation treatment: Plow 30cm deep in the continuous cropping field where a crop of Panax notoginseng has been planted and the relative humidity is 30%, dry the soil for 15 days, fully and evenly rotate the soil to ensure that the maximum diameter of the soil particles is 1cm, and then form a ridge.

[0029] Fumigation treatment: the chloropicrin stock solution with active ingredient content of 99.5% is injected into the soil, the depth of the chloropicrin stock solution injected into the soil is 30cm, and the distance between two adjacent injection points is 15cm, and the injection volume is 3ml, compact the injection hole after the injection, and then cover the TIF film above the soil, make the soil fit the film, and compact the edge.

[0030] Post-fumigation treatment: remove the TIF film after 25 days of fumigation with the cover film, and deflate for ...

Embodiment 3

[0034] A method for chemical disinfection of notoginseng continuous cropping soil, comprising sequentially:

[0035] Pre-fumigation treatment: Plow 20cm deep in the continuous cropping field where a crop of Panax notoginseng has been planted and the relative humidity is 20%, dry the soil for 18 days, fully and evenly rotate the soil to ensure that the maximum diameter of the soil particles is 1.5cm, and then form a ridge.

[0036] Fumigation treatment: the chloropicrin stock solution with active ingredient content of 99.5% is injected into the soil, the depth of the chloropicrin stock solution injected into the soil is 20cm, and the distance between two adjacent injection points is 20cm, and the injection volume is 2.5ml, compact the injection hole after the injection, and then cover the TIF film above the soil, make the soil fit the film, and compact the edge.

[0037]Post-fumigation treatment: remove the TIF film after 23 days of fumigation with the cover film, and deflate f...

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Abstract

The invention discloses a chemical disinfection method for panax notoginseng continuous cropping soil. The method comprises the following steps of 1 treating before fumigating, 2 fumigating treating and 3 treating after fumigating. The method has the advantages that the soil is fumigated with nitrochloroform, pathogenic microorganism fungi, nematodes and underground pests in the panax notoginseng continuous cropping soil and weeds can be effectively killed, and the nitrogen accumulation mineralization amount in the soil can be significantly increased in a short time; in addition, nitrochloroform is easy to decompose in the soil, a water body and the atmosphere, and no residue exists in roots, stems, leaves and fruits of crops; the seedling emergence rate and the seedling survival rate of panax notoginseng seeds in the continuous cropping soil can be effectively increased, and meanwhile the growth vigor of panax notoginseng plants can be effectively enhanced.

Description

technical field [0001] The invention relates to a soil disinfection method for continuous cropping of Panax notoginseng, in particular to a chemical disinfection method for continuous cropping of Panax notoginseng. Background technique [0002] Panax notoginseng is a herbaceous plant of the genus Ginseng of Araliaceae, which is a traditional Chinese medicinal material. Panax notoginseng has the effects of promoting blood circulation, removing blood stasis, reducing swelling and relieving pain. It is the main component of traditional Chinese medicines such as Yunnan Baiyao and Pien Tze Huang, and has great social and economic benefits. In recent years, the planting area of ​​Panax notoginseng has been increasing year by year, and the accompanying obstacles to continuous cropping of Panax notoginseng have become more prominent. The causes of continuous cropping obstacles of Panax notoginseng mainly include nutritional imbalance, accumulation of autotoxic substances and outbre...

Claims

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Application Information

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IPC IPC(8): A01G11/00A61L2/20A61L101/32
CPCA01G11/00A61L2/20
Inventor 陈中坚魏富刚王勇杨绍周余育启
Owner 文山苗乡三七科技有限公司
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