CN102668932A - Soil disinfecting method - Google Patents
Soil disinfecting method Download PDFInfo
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- CN102668932A CN102668932A CN2012101276931A CN201210127693A CN102668932A CN 102668932 A CN102668932 A CN 102668932A CN 2012101276931 A CN2012101276931 A CN 2012101276931A CN 201210127693 A CN201210127693 A CN 201210127693A CN 102668932 A CN102668932 A CN 102668932A
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Abstract
The invention provides a soil disinfecting method, which uses micro-nano bubble ozone water with the ozone concentration of 70-10 mg/ L for spraying soil for disinfection and disinfects the soil by combining an ozone sterilization technology with a micro-nano bubble technology. According to the soil disinfecting method, ozone is produced by an ozone generator, the ozone is quickly dissolved into water through a micro-nano bubble generating device, and the soil to be treated is sprayed or irrigated so as to kill harmful pathogenic microorganisms in the soil, thus achieving an aim of disinfecting the soil. By the soil disinfecting method, soil-borne diseases are effectively prevented and treated, pesticide residues are avoided, and a standard for green production of crops is met.
Description
Technical field
The invention belongs to agricultural production extermination of disease and insect pest field, specifically, relate to a kind of sterilization method of soil.
Background technology
Along with the popularization that green agriculture is produced, agricultural production safety is more and more paid close attention to for people.Diseases and pests of agronomic crop is the main harm in the agricultural production, and due to illness insect pest can cause a large amount of underproduction of crop, quality to reduce.In recent years, the generation area of China's damage by disease and insect constantly increases, and damage by disease and insect becomes the main restricting factor of China's development an agriculture featuring high yields, fine quality and high efficiency.
Soil is the main media that root passes disease spread, also is the main place of damage by disease and insect breeding.Many germs, worm's ovum and insect all survive in soil or survive the winter, and wherein also often exist the seed of weeds, and continuous cropping meeting for many years causes soil-borne diseases such as fusarium wilt, root-knot nematode more and more serious, have seriously restricted the development that protection ground vegetables produce.Before crop-planting, disinfecting soil being handled, is the methods of prevention and elimination of disease and pests effectively that a kind of quilt extensively adopts, positive, and soil disinfection is that modern agriculture reduces pathogen in the soil, reduces the effective means that disease causes economic loss.
Chemical agent is adopted in present soil disinfection more, carries out soil-fumigating as waiting bitterly for chemical reagent with methyl bromide, chlorination.This method causes medicament residual in soil easily, causes environmental pollution, stays potential safety hazard, is unfavorable for human and livestock health, has seriously reduced the yield and quality of cereal crops and vegetables.And adopt physical methods such as high-temperature steam, high-temperature-hot-water to carry out soil disinfection, there are problems such as efficient is low, cost height.Therefore,, improve the safety of agricultural product, need to seek and develop the soil disinfection method of science, safety more in order to promote the development of green agriculture.
Summary of the invention
The object of the invention provides a kind of novel soil disinfection method to the problem that exists in the existing soil disinfection method.
In order to realize the object of the invention, the sterilization method of a kind of soil of the present invention, it is to use ozone concentration to spray disinfecting soil as the micro-nano bubble Ozone Water of 7-10mg/L (preferred 9mg/L); Wherein, said micro-nano bubble Ozone Water is that Xiang Shuizhong feeds micro-nano ozone bubbles and makes.
In the aforementioned sterilization method, said micro-nano bubble Ozone Water sprinkling amount is every square metre of soil 10-30L, preferred 20L.
Aforesaid sterilization method, wherein said micro-nano ozone bubbles is produced by micro-nano ozone bubbles generating means, the micro-bubble of diameter between tens of microns (μ m) and tens nanometer (nm).Said micro-nano ozone bubbles generating means is made up of three parts: oxygen cylinder, ozone generator and micro-nano bubble generator.Oxygen cylinder is the ozone generator oxygen supply, and the outlet side of ozone generator is connected the air inlet of micro-nano bubble generator, and the aerogenesis flow is 1-3m
3/ h.
In the aforementioned sterilization method, said soil is the plantation that is suitable for vegetables in the chamber facility, flowers, or is suitable for the soil of field planting, nursery stock seedbed, greenery patches lawn planting etc.
The water that is used to prepare the Ozone Water disinfectant is agricultural irrigation water, can be rivers and creeks water or well water.
After the said soil disinfection, residue ozone concentration is higher in the soil, need leave standstill 8-10 hour, ozone from soil, could be sowed after abundant the scattering and disappearing, otherwise be easy to generate poisoning.
Particularly, the sterilization method of a kind of soil of the present invention may further comprise the steps:
The preparation of I. micro-nano bubble Ozone Water
(1) device of micro-nano bubble Ozone Water preparation mainly comprises, tonnage oxygen gas cylinder, ozone generator, micro-nano bubble generator, Ozone Water preparation bucket;
(2) air inlet with ozone generator (gas production is 20-40g/h, preferred 40g/h) connects the industrial oxygen bottle, is used for supplying with oxygen to ozone generator;
(3) (flow is 1-3m the ozone generator gas outlet to be connected micro-nano bubble generator
3/ h, preferred 2m
3/ h) air inlet;
(4) micro-nano bubble generator is provided with water inlet and delivery port, and it all is placed in the Ozone Water preparation bucket (capacity is 300-900L, preferred 500L);
(5) connected system power supply; Open ozone generator and micro-nano bubble generator; Regulate oxygen flow and micro-nano bubble generator flow, in Ozone Water preparation bucket, carry out the preparation of micro-nano bubble Ozone Water, as required the concentration adjustment inflationtime of ozone; Be generally 30-60min (preferred 40min), the ozone concentration in the Ozone Water reaches 7-10mg/L.
II. the soil disinfection of micro-nano bubble Ozone Water
(1) before the sterilization, earlier with the soil scarifying, the scarifying degree of depth of soil is 10-35cm, and crop species is different adjusts according to soil types and plantation: the soil scarifying degree of depth to planting leaf vegetables is 10-20cm, is 20-35cm to the soil scarifying degree of depth of planting fruit vegetables.
(2) adopt spray or pouring method to carry out soil disinfection: the micro-nano bubble Ozone Water that will prepare, with spraying in upper soll layer after the sprayer atomizing, perhaps directly to irrigate in the soil, the sprinkling amount is generally 10-30L/m
2(preferred 20L/m
2), make micro-nano bubble Ozone Water infiltrate deep subsoil, thereby kill the pathogen in the soil.
The spray process sterilization is applicable to facility planting soil, lawn renewal etc., and the sterilization of pouring method is applicable to land for growing field crops, planting fruit trees and various nursery bed disinfection.
The invention has the advantages that:
(1) of the present inventionly utilizes micro-nano bubble Ozone Water to carry out the method for soil disinfection, produce ozone, and produce micro-nano ozone bubbles, it is dissolved in the water rapidly through micro-nano bubble generator through ozone generator; With the Ozone Water that contains higher concentration ozone that makes as novel soil disinfectant; Through soil being irrigated, soaks into and disinfection soil; Can kill the soil-borne disease original, and can effectively improve the physicochemical property of cultivating soil, the generation and the propagation of prevention soil-borne disease.
(2) it is wide that ozone has fungicidal spectrum, and killing rate is high, and functioning efficiency is high, and is harmless to human non-toxic; Noresidue, the advantage such as popularization that is easy to easy to use utilizes the strong oxidizing property of ozone can kill the pathogen at upper soll layer to about 35cm degree of depth place fast, and harmless to crops; And environmentally safe, accessory substance is an oxygen, is beneficial to the respiration of root system of plant, plays the effect of raising the output; Improve the quality of crops, can obtain good economic benefit, met the standard of crops green production.
(3) ozone solvability in water is lower, utilizes micro-nano bubble generator, can produce other ozone bubbles of micro/nano level, and bubble is little, dissolution rate is high, thereby improves the solvability of ozone; And this micro-nano bubble Ozone Water stability high (half life period is 16-20 hour), thereby can significantly carry the germicidal efficiency of ozone.
(4) utilize bottle oxugen to be the ozone generator oxygen supply, improved the generation speed and the purity of ozone, thereby improved the concentration of ozone ozone in water, improved the disinfection efficiency of soil.
Embodiment
Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.If do not specialize the conventional means that used technological means is well known to those skilled in the art among the embodiment, the raw materials used commercial goods that is.
The sterilization of embodiment 1 greenhouse by solar heat tomato planting soil
1, the preparation of micro-nano bubble Ozone Water
(1) device of micro-nano bubble Ozone Water preparation comprises that mainly (flow is 2m for tonnage oxygen gas cylinder, ozone generator (40g/h), micro-nano bubble generator
3/ h), Ozone Water preparation bucket (500L).
(2) air inlet with ozone generator connects the industrial oxygen bottle, is used to supply with oxygen.
(3) the ozone generator gas outlet is connected the air inlet of micro-nano bubble generator.
(4), all be placed in the Ozone Water preparation bucket with the water inlet and the delivery port of micro-nano bubble generator.Water inlet is at the bottom of preparation bucket, and delivery port is on the upper strata.
(5) connected system power supply is opened ozone generator and micro-nano bubble generator, regulates oxygen flow and micro-nano bubble generator flow, in Ozone Water preparation bucket, carries out the preparation of micro-nano bubble Ozone Water, makes ozone in water concentration reach 10mg/L.
2, the soil disinfection of micro-nano bubble Ozone Water
(1) before the soil disinfection, with soil scarifying in the greenhouse, the foreign organic matters such as root system of stubble cultivation tomato before removing, the scarifying degree of depth of soil is 30cm, is beneficial to soaking into of Ozone Water.
(2) spray process soil disinfection: the micro-nano bubble Ozone Water that will prepare, spray in upper soll layer with agroatomizer (3WBF-16 type), the sprinkling amount is 20L/m
2, make micro-nano bubble Ozone Water infiltrate deep subsoil, thereby kill the pathogen in the soil.
The soil disinfection of pouring method: the micro-nano bubble Ozone Water that will prepare is poured onto in the soil irrigation amount average out to 20L/m
2, make micro-nano bubble Ozone Water infiltrate deep subsoil, thereby kill the pathogen in the soil.
(3) after the soil disinfection, ozone concentration wherein is higher, need to wait for 10 hours after, could sow after letting ozone fully distribute.
The sterilization of embodiment 2 cucumber in solar-greenhouse planting soils
1, the preparation of micro-nano bubble Ozone Water
(1) device of micro-nano bubble Ozone Water preparation comprises that mainly (flow is 1m for tonnage oxygen gas cylinder, ozone generator (20g/h), micro-nano bubble generator
3/ h), Ozone Water preparation bucket (300L).
(2) air inlet with ozone generator connects the industrial oxygen bottle, is used to supply with oxygen;
(3) the ozone generator gas outlet is connected the air inlet of micro-nano bubble generator;
(4), all be placed in the Ozone Water preparation bucket with the water inlet and the delivery port of micro-nano bubble generator.Water inlet is at the bottom of preparation bucket, and delivery port is on the upper strata;
(5) connected system power supply is opened ozone generator and micro-nano bubble generator, regulates oxygen flow and micro-nano bubble generator flow, in Ozone Water preparation bucket, carries out the preparation of micro-nano bubble Ozone Water, makes ozone in water concentration reach 7mg/L.
2, the soil disinfection of micro-nano bubble Ozone Water
(1) before the soil disinfection, with soil scarifying in the greenhouse, the foreign organic matters such as root system of stubble cultivation tomato before removing, the scarifying degree of depth of soil is 25cm, is beneficial to soaking into of Ozone Water.
(2) spray process soil disinfection: the micro-nano bubble Ozone Water that will prepare, spray in upper soll layer with agroatomizer (3WBF-16 type), the sprinkling amount is 25L/m
2, make micro-nano bubble Ozone Water infiltrate deep subsoil, thereby kill the pathogen in the soil.
The soil disinfection of pouring method: the micro-nano bubble Ozone Water that will prepare is poured onto in the soil irrigation amount average out to 25L/m
2, make micro-nano bubble Ozone Water infiltrate deep subsoil, thereby kill the pathogen in the soil.
(3) after the soil disinfection, ozone concentration wherein is higher, need to wait for 8 hours after, could sow after letting ozone fully distribute.
After the method that adopts embodiment 2 respectively carries out disinfection to greenhouse soil with conventional furrow formula solar energy soil disinfection method, carried out the greenhouse soil cucumber contrast of planting.The result shows: the cucumber of adopting the soil after micro-nano bubble Ozone Water is sterilized to plant out; At aspects such as the average number of blade, average plant height, chlorophyll content and cucumber yields; Compare than the processing of furrow formula solar disinfection, improved 5.2%, 10.3%, 11.4% and 6.9% respectively.It is thus clear that method of the present invention can significantly improve the biological indicator of crop, has good effect of increasing production.
Though, the present invention has been done detailed description in the preceding text with general explanation and specific embodiments, on basis of the present invention, can to some modifications of do or improvement, this will be apparent to those skilled in the art.Therefore, these modifications or the improvement on the basis of not departing from spirit of the present invention, made all belong to the scope that requirement of the present invention is protected.
Claims (7)
1. the sterilization method of a soil is characterized in that, uses ozone concentration to spray disinfecting soil as the micro-nano bubble Ozone Water of 7-10mg/L;
Wherein, said micro-nano bubble Ozone Water makes through in water, feeding micro-nano ozone bubbles.
2. sterilization method according to claim 1 is characterized in that, the ozone concentration of said micro-nano bubble Ozone Water is 9mg/L.
3. sterilization method according to claim 1 is characterized in that, said micro-nano bubble Ozone Water sprinkling amount is 10-30L/m
2
4. sterilization method according to claim 3 is characterized in that, said micro-nano bubble Ozone Water sprinkling amount is 20L/m
2
5. according to each described sterilization method of claim 1-4, it is characterized in that said micro-nano ozone bubbles is produced by micro-nano ozone bubbles generating means, flow is 1-3m
3/ h.
6. sterilization method according to claim 5 is characterized in that, said micro-nano ozone bubbles is produced by micro-nano ozone bubbles generating means, and flow is 2m
3/ h.
7. according to each described sterilization method of claim 1-4, it is characterized in that said soil is the soil that is suitable for field planting, green house plantation, greenery patches lawn planting.
Priority Applications (1)
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|---|---|---|---|
| CN2012101276931A CN102668932A (en) | 2012-04-26 | 2012-04-26 | Soil disinfecting method |
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|---|---|---|---|
| CN2012101276931A CN102668932A (en) | 2012-04-26 | 2012-04-26 | Soil disinfecting method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464456A (en) * | 2013-09-16 | 2013-12-25 | 南京盟博环保科技有限公司 | Agricultural soil remediation device |
| CN104429211A (en) * | 2013-11-07 | 2015-03-25 | 济南兆龙科技发展有限公司 | Soil fumigation and activation method |
| CN106718248A (en) * | 2017-01-20 | 2017-05-31 | 高密市五龙河农场农业科技有限公司 | A kind of U-shaped vegetable growing device and chemical-free vegetables cultural method |
| CN106942190A (en) * | 2017-03-17 | 2017-07-14 | 高密市五龙河农场农业科技有限公司 | A kind of method of utilization Ozone Water to strawberry cultivating soil sterilization |
| CN110810118A (en) * | 2018-08-09 | 2020-02-21 | 江苏紫山生物股份有限公司 | Method for sterilizing edible fungus culture room |
| CN112236039A (en) * | 2018-05-30 | 2021-01-15 | 株式会社水改质 | Method for preventing and treating powdery mildew |
| CN112868675A (en) * | 2021-04-08 | 2021-06-01 | 山东省科学院生态研究所(山东省科学院中日友好生物技术研究中心) | Method for preventing and treating clubroot of Chinese cabbage by combining ozone water and trichoderma |
| CN116158318A (en) * | 2022-12-06 | 2023-05-26 | 广州安圜农业科技有限公司 | Cultivation method of leaf vegetables |
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| CN101123873A (en) * | 2005-02-21 | 2008-02-13 | 松村荣治 | Method of disinfecting livestock, livestock disinfecting apparatus, livestock and livestock meat |
| CN101491236A (en) * | 2008-08-15 | 2009-07-29 | 东北林业大学 | Ozone soil-sterilization device and method |
| CN101607261A (en) * | 2009-07-11 | 2009-12-23 | 陈优明 | The water-soluble method of improving the soil of a kind of ozone |
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| CN101123873A (en) * | 2005-02-21 | 2008-02-13 | 松村荣治 | Method of disinfecting livestock, livestock disinfecting apparatus, livestock and livestock meat |
| CN101491236A (en) * | 2008-08-15 | 2009-07-29 | 东北林业大学 | Ozone soil-sterilization device and method |
| CN101607261A (en) * | 2009-07-11 | 2009-12-23 | 陈优明 | The water-soluble method of improving the soil of a kind of ozone |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464456A (en) * | 2013-09-16 | 2013-12-25 | 南京盟博环保科技有限公司 | Agricultural soil remediation device |
| CN104429211A (en) * | 2013-11-07 | 2015-03-25 | 济南兆龙科技发展有限公司 | Soil fumigation and activation method |
| CN106718248A (en) * | 2017-01-20 | 2017-05-31 | 高密市五龙河农场农业科技有限公司 | A kind of U-shaped vegetable growing device and chemical-free vegetables cultural method |
| CN106942190A (en) * | 2017-03-17 | 2017-07-14 | 高密市五龙河农场农业科技有限公司 | A kind of method of utilization Ozone Water to strawberry cultivating soil sterilization |
| CN112236039A (en) * | 2018-05-30 | 2021-01-15 | 株式会社水改质 | Method for preventing and treating powdery mildew |
| CN110810118A (en) * | 2018-08-09 | 2020-02-21 | 江苏紫山生物股份有限公司 | Method for sterilizing edible fungus culture room |
| CN112868675A (en) * | 2021-04-08 | 2021-06-01 | 山东省科学院生态研究所(山东省科学院中日友好生物技术研究中心) | Method for preventing and treating clubroot of Chinese cabbage by combining ozone water and trichoderma |
| CN116158318A (en) * | 2022-12-06 | 2023-05-26 | 广州安圜农业科技有限公司 | Cultivation method of leaf vegetables |
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Application publication date: 20120919 |