CN104826150A - Disinfection method of pseudo-ginseng continuous cropping soil - Google Patents
Disinfection method of pseudo-ginseng continuous cropping soil Download PDFInfo
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- CN104826150A CN104826150A CN201510184620.XA CN201510184620A CN104826150A CN 104826150 A CN104826150 A CN 104826150A CN 201510184620 A CN201510184620 A CN 201510184620A CN 104826150 A CN104826150 A CN 104826150A
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Abstract
The invention discloses a disinfection method of pseudo-ginseng continuous cropping soil. The disinfection method comprises following steps: soil treatment, wherein after planting of pseudo-ginseng, deep ploughing, airing, and ridging of soil are carried out, and soil absolute water content is adjusted so as to keep moist; fumigant embedding, wherein one nitrochloroform capsule is embedded into soil every 10 to 20cm; and sealed fumigation, wherein soil surface is sealed with transparent thin film for 7 to 15 days. According to the disinfection method, the nitrochloroform capsule is taken as the soil fumigant, no special tool or protective equipment is needed in using, low toxicity application of high-toxicity fumigant is realized, soil-borne diseases such as nematodosis and wilt are controlled, insect pests such as fungus in soil are killed, and excellent soil environment is provided for pseudo-ginseng plantation.
Description
Technical field
The present invention relates to agriculture plant protection field, particularly relate to a kind of sterilization method of notoginseng soil.
Background technology
Notoginseng obstacle is particularly outstanding, and its mechanism is very complicated, comprises soil-borne disease, Auto toxicity, nutritive equilibrium, soil microorganism growth and decline etc. factor.Soil-borne disease is the primary restriction factor of notoginseng obstacle.Current research shows: Radix Notoginseng root-rot is subterranean pest-insect, root-knot nematode, fungus Fusarium spp., antibacterial Erwinia etc. more than ten are planted caused by pathogen Combined Infection.
Tradition prevention and controls has breeding for disease resistance, grafting, crop rotation, ploughs deeply, root etc. filled with by soil removal and replacement, chemical pesticide.But due to land limited and implementation intensive cropping, crop rotation is difficult to implement; The kind of anti-multiple soil-borne disease and stock are difficult to cultivate; Plough deeply with soil removal and replacement infeasible economically; Root limited efficiency filled with by chemical pesticide, and easily causes pesticide residues to exceed standard and underground water pollution.Owing to lacking effective technology, peasant uses control root-knot nematode and the subterranean pest-insects such as banned pesticides Aldicarb, carbofuran, thimet in a large number, and these toxicity of pesticide are high, and residual period is long, and serious to underground water pollution, affects the life and health of people.
Therefore the screening of disinfectant and method and application seem most important.Chloropicrin, general chloropicrin by name, uses as soil fumigant, effectively can prevent and kill off soil nematodes, pathogenic fungi, weeds and other subterranean pest-insect.But chloropicrin (CP), there is high poison, high volatile volatile, use inconvenience and easily contaminated environment, harm humans are healthy, limit its use in soil disinfection.
Summary of the invention
For this reason, the invention provides a kind of sterilization method of the new notoginseng soil at least partially that at least can solve the problem.
The invention provides a kind of sterilization method of notoginseng soil, comprise the steps: soil treatment step: by planted Radix Notoginseng soil deep tillage dry in the sun after ridging, and regulate the absolute water content of soil to make it keep moistening; Fumigant landfill step: at interval of 10-20cm, imbeds a chloropicrin capsule in soil; Sealing fumigating step: earth's surface is sealed 7-15 days with transparent membrane.
Alternatively, according to sterilization method of the present invention, described sterilization method comprises fumigating gas testing sequence further: complete sealing stifling after, remove transparent membrane and soil is opened wide 4-7 days, transplant the seed of the fructovegetative seedling of vegetables or sprouting afterwards in stifling rear soil, whether observation gas is arranged and is cleared entirely.
Alternatively, according to sterilization method of the present invention, in described fumigant landfill, described chloropicrin capsule is buried in the earth the degree of depth of 7-12cm.
Alternatively, according to sterilization method of the present invention, in described soil treatment step, row spacing 1.8m, ridge height 15-25cm.
Alternatively, sterilization method of the present invention, in described soil treatment step, the absolute water content regulating soil is 15-25%.
Alternatively, according to sterilization method of the present invention, the specification of described chloropicrin capsule is 3-5g.
Alternatively, according to sterilization method of the present invention, described vegetables and fruits class plant seedlings is Fructus Lycopersici esculenti and/or Fructus Cucumidis sativi.
Alternatively, according to sterilization method of the present invention, described transparent membrane is plastic membrane of polyvinyl chloride.
Sterilization method of the present invention, adopt chloropicrin capsule as soil fumigant, without the need to special instrument and preventer during use, solve that high malicious fumigant is low poisons use problem, the soil-borne disease such as nematicide, droop can be prevented and treated and kill the disease and pests such as fungus in soil, for notoginseng planting provides excellent soil environment.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of notoginseng soil disinfection method of the present invention.
Detailed description of the invention
The invention provides many applicable creative concepts, this creative concept can be reflected in a large number of in concrete context.The specific embodiment described in following embodiments of the present invention only as the exemplary illustration of the specific embodiment of the present invention, and does not form limitation of the scope of the invention.
Below in conjunction with accompanying drawing and concrete embodiment, the invention will be further described.
The invention provides a kind of sterilization method of notoginseng soil, Fig. 1 illustrates the schematic flow sheet of notoginseng soil disinfection method of the present invention.As shown in Figure 1, first described sterilization method processes soil, namely carries out soil treatment step S1100.Concrete operations are: by planted Radix Notoginseng soil deep tillage dry in the sun after ridging, and regulate the absolute water content of soil to make it keep moistening.Preferably, described row spacing 1.8m, ridge height 15-25cm (that is, the degree of depth of the ditch between two ridges is 15-25cm).
After soil treatment, fumigant landfill step S1200 can be carried out: be buried in the earth by chloropicrin capsule.Wherein, at interval of 10-20cm, in soil, imbed a chloropicrin capsule.In one embodiment of the present of invention, the specification of described chloropicrin capsule is 3-5g.Because chloropicrin is encapsulated in capsule, only capsule need be buried in the earth, after capsule dissolves, discharge chloropicrin wherein, play pesticide-germicide effect, without the need to any application equipment, to user safety, any preventer can not be with to use, storage convenient transportation; And distributing in stifling process can be reduced, play fumigation action to greatest extent.
After fumigant landfill, carry out sealing fumigating step S1300: with transparent membrane, earth's surface is sealed 7-15 days, form confined space, chloropicrin capsule dissolves, and chloropicrin volatilization wherein, forms certain concentration, fumigate soil.In general, the time of soil-fumigating is longer, and it is more abundant that soil fumigant plays drug effect, and the effect of soil-fumigating is better, but long fumigation time can extend the soil disinfection cycle, delays the sowing time of Radix Notoginseng.Applicant finds after deliberation, by better for its fumigating effect during notoginseng soil-fumigating 7-15 days, does not affect the sowing of Radix Notoginseng simultaneously.
After having fumigated, also need the medicament that may remain in soil after soil-fumigating to distribute the sowing just carrying out Radix Notoginseng, otherwise easily make the crop of transplanting produce poisoning.For this reason, sterilization method of the present invention comprises fumigating gas testing sequence S1400 further.That is, complete sealing stifling after, soil is opened wide 4-7 days by the transparent membrane removed on earth's surface, the seed of transplanting the fructovegetative seedling of vegetables or sprouting afterwards after stifling in soil, observe gas whether arrange clear complete.In the present invention, use the cucumber seeds of tomato plants and firm rudiment, after tomato seedling and Seed Germination in Cucumber, the equal compared with normal of growth, namely show to have fumigated, the gas produced in stifling process disperses completely, can treat kind of a Radix Notoginseng.
Suitable soil moisture is very crucial for successful soil-fumigating, and it can make the seed coat of weed seed in soil soften, and breaks seed dormancy; Make the spore germination of soil-borne disease fungal pathogens, line eggs hatching, even if harmful organism is in " growth " state.Meanwhile, suitable humidity can make fumigant play fumigating effect better, also affects the movement of fumigant in soil simultaneously.Through lot of experiments, applicant finds, when the absolute water content of soil is 15-25%, can play the fumigation action of chloropicrin capsule preferably.In particular, when the absolute water content of soil is 20%, fumigating effect is best.
The suitable soil moisture equally also has appreciable impact to fumigating effect.In general, temperature is higher, and the volatility of fumigant is larger, limited airtight in vapour pressure also larger, stifling effect is also relatively better.On the other hand, temperature is higher, and target pest is tending towards active, and Repiration increases, thus more easily occurs poisoning.Generally, when temperature is higher than 10 DEG C, if the temperature of soil or environment is higher, the effect of medicament soil-fumigating is better.If but temperature is too high, fumigant moves too fast, this will speed up the escape of fumigant.Find after deliberation, the temperature of optimum soil-fumigating is 15cm degree of depth soil temperature is 15-20 DEG C, and at this moment target organism is just in time in " living " state, thus is more easily killed.In the present invention, the temperature of soil-fumigating is arranged on 18-25 DEG C.
In stifling process, distributing of fumigant should be reduced, to play the drug effect of fumigant to greatest extent as far as possible.At present, measure production mainly taked has increases the dispenser degree of depth, suppression soil, the water content increasing soil, the content of organic matter improving soil and covering impermeable membrane etc.In the present invention, described chloropicrin capsule is buried in the earth the degree of depth of 7-12cm, can ensures that chloropicrin evaporates into gas with the comparatively suitable speed of distributing, then be evenly distributed in the soil of certain depth, thus effectively play fumigating effect.The transparent membrane adopted is plastic membrane of polyvinyl chloride.The mechanical strength of polyvinyl chloride film is larger, ageing resistace is better, can use under sunburst, and the light transmission of polyvinyl chloride film is good, good heat insulating, heat effect also comparatively remarkable, can ensure that the soil warming sealed makes chloropicrin capsule evaporate into gas in soil, intercept leaking of chloropicrin gas simultaneously.There are some researches show, complete impermeable plastic sheeting > impermeable plastic sheeting > high-density plastic thin film > Low density plastic film is followed successively by fumigant barrier power, therefore, preferably high density plastic membrane of polyvinyl chloride is adopted in the present invention.
It should be noted, the present invention will be described instead of limit the invention for above-described embodiment, and those skilled in the art can design alternative embodiment when not departing from the scope of claims.In the claims, any reference marks between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and does not arrange element in the claims or step.Word first, second and third-class use do not represent any order, can be title by these word explanations.
Claims (8)
1. a sterilization method for notoginseng soil, comprises the steps:
Soil treatment step (S1100): by planted Radix Notoginseng soil deep tillage dry in the sun after ridging, and regulate the absolute water content of soil to make it keep moistening;
Fumigant landfill step (S1200): at interval of 10-20cm, imbeds a chloropicrin capsule in soil;
Sealing fumigating step (S1300): earth's surface is sealed 7-15 days with transparent membrane.
2. sterilization method according to claim 1, wherein, described sterilization method comprises fumigating gas testing sequence (S1400) further: complete sealing stifling after, remove transparent membrane and soil is opened wide 4-7 days, transplant the seed of the fructovegetative seedling of vegetables or sprouting afterwards in stifling rear soil, whether observation gas is arranged and is cleared entirely.
3. sterilization method according to claim 1, wherein, in described fumigant landfill (S1200), described chloropicrin capsule is buried in the earth the degree of depth of 7-12cm.
4. sterilization method according to claim 1, wherein, in described soil treatment step (S1100), row spacing 1.8m, ridge height 15-25cm.
5. sterilization method according to claim 1, wherein, in described soil treatment step (S1100), the absolute water content regulating soil is 15-25%.
6. sterilization method according to claim 1, wherein, the specification of described chloropicrin capsule is 3-5g.
7. sterilization method according to claim 2, wherein, described vegetables and fruits class plant is Fructus Lycopersici esculenti and/or Fructus Cucumidis sativi.
8. sterilization method according to claim 1, wherein, described transparent membrane is plastic membrane of polyvinyl chloride.
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| CN201510184620.XA CN104826150B (en) | 2015-04-17 | 2015-04-17 | A kind of sterilization method of notoginseng soil |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105309081A (en) * | 2015-10-14 | 2016-02-10 | 中国科学院昆明植物研究所 | Soil disinfection method matching with medicinal plant cultivation bases |
| CN105994243A (en) * | 2016-05-18 | 2016-10-12 | 文山七麟三七科技有限公司 | Soil fumigation disinfection method for solving problem of incapability of pseudo-ginseng succession cropping |
| CN106304880A (en) * | 2016-08-23 | 2017-01-11 | 文山苗乡三七科技有限公司 | Pseudo-ginseng continuous cropping soil comprehensive treatment method |
| CN106342599A (en) * | 2016-08-24 | 2017-01-25 | 文山苗乡三七科技有限公司 | Chemical disinfection method for panax notoginseng continuous cropping soil |
| CN108293705A (en) * | 2016-08-24 | 2018-07-20 | 文山苗乡三七科技有限公司 | A method of handling notoginseng soil with soil fumigant dazomet |
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| CN1732773A (en) * | 2005-07-15 | 2006-02-15 | 中国农业科学院蔬菜花卉研究所 | A kind of soil disinfection method of facility for prevention and control soil-borne diseases of vegetable |
| CN101971835A (en) * | 2010-09-26 | 2011-02-16 | 韩景良 | Soil particle fumigant |
| US20120021032A1 (en) * | 2001-03-19 | 2012-01-26 | Thierry Aubert | Pesticide Treatment Of Soils Or Substrates With Sulphur Compounds |
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2015
- 2015-04-17 CN CN201510184620.XA patent/CN104826150B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120021032A1 (en) * | 2001-03-19 | 2012-01-26 | Thierry Aubert | Pesticide Treatment Of Soils Or Substrates With Sulphur Compounds |
| CN1732773A (en) * | 2005-07-15 | 2006-02-15 | 中国农业科学院蔬菜花卉研究所 | A kind of soil disinfection method of facility for prevention and control soil-borne diseases of vegetable |
| CN101971835A (en) * | 2010-09-26 | 2011-02-16 | 韩景良 | Soil particle fumigant |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105309081A (en) * | 2015-10-14 | 2016-02-10 | 中国科学院昆明植物研究所 | Soil disinfection method matching with medicinal plant cultivation bases |
| CN105309081B (en) * | 2015-10-14 | 2020-09-15 | 中国科学院昆明植物研究所 | Soil disinfection method matched with medicinal plant cultivation base |
| CN105994243A (en) * | 2016-05-18 | 2016-10-12 | 文山七麟三七科技有限公司 | Soil fumigation disinfection method for solving problem of incapability of pseudo-ginseng succession cropping |
| CN106304880A (en) * | 2016-08-23 | 2017-01-11 | 文山苗乡三七科技有限公司 | Pseudo-ginseng continuous cropping soil comprehensive treatment method |
| CN106304880B (en) * | 2016-08-23 | 2018-08-03 | 文山苗乡三七科技有限公司 | A kind of notoginseng soil integrated conduct method |
| CN106342599A (en) * | 2016-08-24 | 2017-01-25 | 文山苗乡三七科技有限公司 | Chemical disinfection method for panax notoginseng continuous cropping soil |
| CN108293705A (en) * | 2016-08-24 | 2018-07-20 | 文山苗乡三七科技有限公司 | A method of handling notoginseng soil with soil fumigant dazomet |
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