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Resin engineering prevention and control method for protected cultivation soil successive cropping obstacles and application

A soil continuous cropping obstacle and facility cultivation technology, applied in the application, fruit tree cultivation, land preparation method, etc., can solve the problems of inability to control key obstacle factors, affect farmers' income, and unstable effects, and achieve ecologically sustainable development. Simple and practical effect

Inactive Publication Date: 2019-08-16
南京怡可帮生态环境科技有限公司
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The above-mentioned methods have their own advantages and disadvantages. Some affect farmers’ income, some have chemical residues, and kill beneficial microorganisms in the soil. Some are not targeted and the effect is unstable. Most of them can only control one or two Obstacle factors, cannot control all key impediments

Method used

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  • Resin engineering prevention and control method for protected cultivation soil successive cropping obstacles and application

Examples

Experimental program
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Effect test

Embodiment 1

[0025] 1. Excavation of water wells; on the soil where the facility cultivation continuous cropping obstacle occurs, excavate 1 groundwater well at a suitable place in the facility greenhouse. According to the buried depth of the local groundwater, the depth of the groundwater well is 2 meters, and the diameter of the well is 30cm; the number of wells is 5 ;Use the water pump to extract the groundwater; after the groundwater is pumped out, it enters a multi-functional water tower for storage, balances the groundwater and atmospheric temperature, settles some particles, and stores the water for later use;

[0026] 2. Preparation of ion exchange resin: add 50 kg of polystyrene particle diameter monodisperse microspheres and 30 kg of phthalic anhydride powder, 5 kg of dichloromethane into the enamel (or glass-lined or stainless steel) reaction tank, add catalyst AlCl 3 2 kg, start the stirrer at a speed of 30 rpm, add a certain amount of nitrobenzene, then heat the jacket, stir th...

Embodiment 2

[0031] 1. Excavation of water wells; on the soil where continuous cropping obstacles occur in facility cultivation, excavate 1 groundwater well at a suitable place in the facility greenhouse. According to the buried depth of local groundwater, choose a groundwater well with a depth of 3 meters and a diameter of 60cm; the number of wells is 2 ;Use the water pump to extract the groundwater; after the groundwater is pumped out, it enters a multi-functional water tower for storage, balances the groundwater and atmospheric temperature, settles some particles, and stores the water for later use;

[0032] 2. Preparation of ion exchange resin: Add 50 kg of polystyrene particle size monodisperse microspheres, 20 kg of phthalic anhydride powder, 6 kg of dichloromethane into the enamel (or glass-lined or stainless steel) reaction tank, add catalyst AlCl 3 3 kg, start the stirrer at a speed of 50 rpm, add a certain amount of nitrobenzene, then heat the jacket, stir the reaction at 65 ° C, ...

Embodiment 3

[0037] 1. Excavation of water wells; on the soil where the facility cultivation continuous cropping obstacle occurs, excavate 1 groundwater well at a suitable place in the facility greenhouse. According to the buried depth of the local groundwater, the depth of the groundwater well is 5 meters, and the diameter of the well is 100cm; the number of wells is 1 ;Use the water pump to extract the groundwater; after the groundwater is pumped out, it enters a multi-functional water tower for storage, balances the groundwater and atmospheric temperature, settles some particles, and stores the water for later use;

[0038] 2. Preparation of ion exchange resin: Add 60 kg of polystyrene particle size monodisperse microspheres, 40 kg of phthalic anhydride powder, 8 kg of dichloromethane, and add catalyst AlCl 36 kg, start the stirrer at a speed of 90 rpm, add a certain amount of nitrobenzene, then heat the jacket, stir the reaction at a temperature of 75 ° C, and filter the filtered reacta...

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Abstract

The invention relates to a resin engineering prevention and control method for protected cultivation soil successive cropping obstacles and an application and belongs to the field of agriculture and environmental protection. The technology is implemented through the following steps: an underground well is established on soil with protected cultivation successive cropping obstacles, underground water is filtered by specific ion exchange resin, salt, particularly, harmful sodium ions and heavy metal ions in the underground water and allelochemical substances and / or autotoxins and organic pesticides in successive cropping soil are adsorbed and filtered out, filtered clean water irrigates facility plants and soil surfaces, sodium ions, heavy metal ions, germs, allelochemical substances and / orautotoxins and organic pesticides in soil cultivation layers are eluted, so that successive cropping obstacle factors in protected cultivation soil are removed, production and ecological functions ofthe soil are remediated, healthy growth of crops is promoted, production of green, pollution-free and high-quality agricultural products by farmers is facilitated, and sustainable development is facilitated.

Description

technical field [0001] The invention belongs to the fields of agriculture and environmental protection, and in particular relates to a resin detoxification, desalination and bacteria removal technology for preventing and controlling obstacles to continuous cropping of facility cultivated crops. Background technique [0002] Protected cultivation agriculture, also known as off-season cultivation, can grow plants in colder weather that is not suitable for planting, which has changed the traditional planting methods and habits. As of 2018, my country's protected cultivation area is 60 million hectares, creating a value of 1.5 trillion yuan, which meets the needs of the people's food basket. [0003] Due to the high comparative economic benefits of protected cultivation, farmers usually carry out long-term continuous cropping for many years, resulting in serious obstacles to continuous cropping in protected cultivation, outbreaks of pests and diseases, serious secondary saliniza...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02A01G22/05
CPCA01B79/02A01G22/05
Inventor 吴洪生
Owner 南京怡可帮生态环境科技有限公司
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