CN104920092B - Changeable spectrum cover suitable for small facility agriculture study and spectrum adjusting method thereof - Google Patents
Changeable spectrum cover suitable for small facility agriculture study and spectrum adjusting method thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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Abstract
The invention discloses a changeable spectrum cover suitable for the small facility agriculture study and a spectrum adjusting method of the changeable spectrum cover. The changeable spectrum cover comprises an inner cover body and an outer cover body. The inner cover body is arranged in the outer cover body in a sleeved mode, the inner cover body can move along the inner wall of the outer cover body in the axis direction of the outer cover body, and the outer cover body is provided with a fixing assembly used for fixing the inner cover body. The inner cover body is composed of an inner frame and a plurality of transparent panels covering the side faces and the top face of the inner frame. The outer cover body is composed of an outer frame and a plurality of transparent panels covering the side faces of the outer frame. The inner frame and the outer frame are further provided with a plurality of filter coating clamping grooves so that needed filter coatings can be arranged on the surfaces of the transparent panels. According to the spectrum adjusting method, the spectrum adjustment of the local environment in the cover can be carried out through the changeable spectrum cover, and the spectrum environments needed by different plants can be simulated. Different spectrum signals can be simulated by adjusting the types and the matching of the filter coatings, and the changeable spectrum cover is suitable for the growth study of various indoor and outdoor plants.
Description
Technical field
The present invention relates to the technical field of plant research test, more particularly, it relates to a kind of suitable for small-sized
The variable spectrum cover and its spectrum adjusting method of facility agronomy research.
Background technology
The just important envirment factor of growth and development of plants, illumination provides ambient signal for the growth of plant and energy comes
Source, optical signal is directly or indirectly controlled in plant body mostly by factors such as light quality, intensity of illumination, photoperiod and light application times
Several metabolism processes, which constitutes the requisite ecological factor of growth and development of plants.Light quality or spectrum are the important attributes of light,
Light quality suffered by plant is adjusted according to the actual requirements is not only able to change the growth course of plant, or even plant can be changed
Regional Property and season attribute.
In modern agricultural production, illumination is adjusted using colored plastic film and is configured to reach regulating growth of plants
Method be widely used in main facilities agronomy, but the method be not easy to minor installation agronomy study in realize it is right
The extensive simulation of light quality condition.Also, modulated using LED light source is also had in the method light quality simulation indoors of different light medium proportioning
It is widely applied, but the method there are certain requirements and relatively costly to place, facility tool.
Therefore, in the research of minor installation agronomy, particularly in pot experiment, need badly a kind of easy, controllable and can be wide
The light utensil of general simulation different light medium or spectral conditions, to adapt to the research of indoor and outdoor minor installation agronomy in different light medium or
The needs of spectral conditions simulation.
The content of the invention
For above-mentioned problems of the prior art and deficiency, it is an object of the invention to provide a kind of simple structure,
It is easy to use and can according to it is different need effective simulation difference spectral conditions suitable for the research of minor installation agronomy
Variable spectrum cover and its spectrum adjusting method.
To achieve these goals, an aspect of of the present present invention provides a kind of suitable for the variable of minor installation agronomy research
Spectrum cover, the variable spectrum cover includes internal layer cover and outer layer cover, and the internal layer enclosure is mounted in outer layer cover and the internal layer
Cover can be provided with for fixed interior on the axis direction of outer layer cover along the internal face movement of outer layer cover on the outer layer cover
The fixation kit of layer cover；The internal layer cover is by internal layer framework and the side for covering the internal layer framework and the polylith transparent area of top surface
Plate is constituted, and the outer layer cover is made up of the polylith transparent panel of outer layer framework and the side for covering the outer layer framework, described interior
Multiple filter coating draw-in grooves are additionally provided with layer framework and outer layer framework with the filter coating needed for arranging on each transparent panel surface.
One embodiment of variable spectrum cover suitable for the research of minor installation agronomy of the invention, described fixed group
Part includes hold-doun nut and the screw cap hole being arranged in the outer layer framework.
One embodiment of variable spectrum cover suitable for the research of minor installation agronomy of the invention, the internal layer frame
Body is identical with the shape of cross section of outer layer framework.
One embodiment of variable spectrum cover suitable for the research of minor installation agronomy of the invention, the internal layer frame
The shape of cross section of body and outer layer framework is circle, triangle, tetragon, pentagon, hexagon or octagon.
One embodiment of variable spectrum cover suitable for the research of minor installation agronomy of the invention, the transparent area
Plate is transparency glass plate or transparent plastic sheet；Multiple passages are additionally provided with the outer layer cover and/or internal layer cover.
Present invention also offers a kind of spectrum adjusting method suitable for the research of minor installation agronomy, in natural lighting condition
Under lower or indoors artificial illumination condition, using the above-mentioned variable spectrum cover suitable for the research of minor installation agronomy and will be described variable
Spectrum cover is covered on plant, and by adjusting the color and proportioning of the filter coating being arranged on the variable spectrum cover difference is simulated
Spectral signal and realize in the variable spectrum cover environment spectrum adjust.
One embodiment of spectrum adjusting method suitable for the research of minor installation agronomy of the invention, the spectrum
The step of control method also includes the position of the internal layer cover of variable spectrum cover according to the height adjustment of plant.
One embodiment of spectrum adjusting method suitable for the research of minor installation agronomy of the invention, is arranged on institute
The color and proportioning for stating the filter coating on internal layer cover is identical with the color and proportioning of the filter coating being arranged on the outer layer cover.
One embodiment of spectrum adjusting method suitable for the research of minor installation agronomy of the invention, the spectrum
Control method can also change the intensity of illumination and/or R/FR ratios of environment in the variable spectrum cover.
The variable spectrum cover and its spectrum adjusting method suitable for the research of minor installation agronomy that the present invention is provided can lead to
The whole filter coating species of toning and proportioning are realized to different plants, different research topics to spectrum simulating different spectral signals
Different demands；Simple structure, the light and low cost of above-mentioned variable spectrum cover, can save space and be easy to management, can
The spectral simulation to local space is realized under the conditions of natural lighting condition and indoors artificial illumination etc. are various, other are had no effect on
The simulation of spectrum, it is adaptable to the increment study of the various plants of indoor and outdoor.
Description of the drawings
Fig. 1 shows that the variable spectrum suitable for the research of minor installation agronomy according to an exemplary embodiment of the present invention is covered on
Main structure diagram under extended state.
Fig. 2 shows the variable spectrum cover suitable for the research of minor installation agronomy according to an exemplary embodiment of the present invention
Overlooking the structure diagram.
Fig. 3 shows the contrast of Soybean Canopy spectrum and its fit-spectra under typical corn in example 1-Semen sojae atricolor set operation mode
Figure.
Fig. 4 shows luminous environment under the different R/FR ratios that the different filter coating combine analogs in example 2 listed by table 1 are obtained
Fit-spectra figure.
Description of reference numerals：
10- outer layer covers, 11- outer layer frameworks, 12,22- transparent panels, 20- internal layer covers, 21- internal layer frameworks, 30- filter coatings
Draw-in groove, 40- screw cap holes, 50- passages, 60- hold-doun nuts.
Specific embodiment
Hereinafter, will be explained in the variable spectrum cover and its spectrum suitable for the research of minor installation agronomy of the present invention
Control method.
Fig. 1 shows that the variable spectrum suitable for the research of minor installation agronomy according to an exemplary embodiment of the present invention is covered on
Main structure diagram under extended state, Fig. 2 shows according to an exemplary embodiment of the present invention suitable for minor installation agriculture
The overlooking the structure diagram of the variable spectrum cover of skill research.
As depicted in figs. 1 and 2, exemplary embodiment of the invention, it is described suitable for minor installation agronomy research
Variable spectrum cover includes internal layer cover 20 and outer layer cover 10, and internal layer cover 20 is sleeved in outer layer cover 10 and internal layer cover 20 can be outside
Internal face on the axis direction of layer cover 10 along outer layer cover 10 is moved, and is provided with outer layer cover 10 for fixing internal layer cover 20
Fixation kit.The variable spectrum cover of the present invention has unlimited bottom, it is possible thereby to cover on plant in variable spectrum cover
Environment carries out the simulation and adjustment of spectrum.Also, internal layer cover 20 has the size for being slightly less than outer layer cover 10, to guarantee internal layer cover 20
Internal face that can be along outer layer cover 10 on the axis direction of outer layer cover 10 moves and ensure that internal layer cover 20 and outer layer cover
Enough little in gap between 10.It is to adapt to the plant of differing heights that variable spectrum cover is set to into telescopic double-layer structure
Thing, so as to expand the use range and application space of variable spectrum cover.
Specifically, internal layer cover 20 and outer layer cover 10 are translucent cover.Internal layer cover 20 is by internal layer framework 21 and covers internal layer frame
The side of body 22 and the polylith transparent panel 22 of top surface are constituted, and outer layer cover is also by outer layer framework 11 and the side of covering outer layer framework 11
The polylith transparent panel 12 in face is constituted, and multiple filter coating draw-in grooves 30 are additionally provided with internal layer framework 21 and outer layer framework 22 with each
Transparent panel surface arranges required filter coating (not shown).Filter coating be can decay light intensity or change spectral component film
Layer, by arranging different filter coating combinations on internal layer cover 20 and outer layer cover 10, is achieved in the regulation of spectrum.Wherein, filter
Light film draw-in groove 30 can adopt the version of L-type, it would however also be possible to employ other versions, as long as ensure that filter coating is put
The stability put and the convenience changed；Transparent panel can be transparency glass plate or transparent plastic sheet, and the present invention is to this
It is not limited.
After internal layer cover 20 is elevated, need to be fixed it to keep the extended state of variable spectrum cover, specifically may be used
It is fixed with arranging fixation kit on outer layer cover 10.Exemplary embodiment of the invention, fixation kit can include
Hold-doun nut 60 and the screw cap hole 40 being arranged in outer layer framework 11, you can with using multiple hold-doun nuts 60 to internal layer cover 20
Side carries out many places and fixes.Preferably, screw cap hole 40 is arranged in each grid beam of the top frame of outer layer framework 11, so as to preferably
It is adjusted and fixes.But the invention is not restricted to the fixation kit and fixed form of above-mentioned form, as long as can realize effectively solid
It is fixed.
Additionally, in order to ensure the mobility of internal layer cover 20 and the receiving space of overall variable spectrum cover, preferably will
The shape of cross section of internal layer framework 21 and outer layer framework 11 be set to it is identical, for example, by the transversal of internal layer framework and outer layer framework
Face shape is disposed as the regular shapes such as circle, triangle, tetragon, pentagon, hexagon or octagon.Such as Fig. 1 and Fig. 2 institutes
Show, exemplary embodiment of the invention, the outer layer framework of the variable spectrum cover and the shape of cross section of internal layer framework are equal
For tetragon.
Because the variable spectrum cover of the present invention is that the spectral conditions for covering on plant and covering interior environment by adjustment are carried out
Plant growing study and experiment, so needing to ensure the breathability in variable spectrum cover.Preferably, outer layer cover and/or internal layer
Multiple passages 50 are additionally provided with cover.
Based on above-mentioned variable spectrum cover, present invention also offers a kind of spectrum suitable for the research of minor installation agronomy is adjusted
Method.Specifically, under the conditions of natural lighting or under indoors artificial illumination condition, being ground suitable for minor installation agronomy using above-mentioned
The variable spectrum cover studied carefully simultaneously covers on the variable spectrum cover on plant, the filter coating being arranged on by adjustment on variable spectrum cover
Color and proportioning come simulate different spectral signals and realize in variable spectrum cover environment spectrum adjust.
Wherein, the color of described filter coating refers to the different colours that filter coating has, for example blueness, green, yellow etc.,
The proportioning of described filter coating refers to the different colours being arranged on the transparent panel of the outer layer cover of variable spectrum cover or internal layer cover
The number ratio of filter coating, for example, partial veil is 1 with the proportioning of blue film:1 represents a stacked partial veil and a blue film, partial veil and indigo plant
The proportioning of film is 1:2 represent a stacked partial veil and two blue films.Can certainly be in the internal layer cover of variable spectrum cover and outer layer
One layer of monochromatic film is only set on cover and combined films are not provided with.By adjustment be arranged on filter coating on variable spectrum cover color and
Proportioning can be realized as the simulation of different spectral signals, meet the different demands of different plants, different research topics to spectrum.
Also, the spectrum adjusting method of the present invention can also include the internal layer of the variable spectrum cover of height adjustment according to plant
The step of position of cover.Because internal layer cover 20 can be stretched, therefore can easily extend the height of variable spectrum cover and use
Space, and then the plant suitable for differing heights and expand the scope of application.
Preferably, the color and proportioning of the filter coating being arranged on internal layer cover 20 and the filter coating being arranged on outer layer cover 10
Color it is identical with proportioning, to ensure internal layer cover 20 and outer layer cover 10 under coincidence status or extended state to the light of cover implants
Spectrum impact is identical.
According to experimentation, the spectrum adjusting method of the present invention can also change the illumination of environment in the variable spectrum cover
Intensity and/or R/FR ratios.
Below by by specific example come to the present invention suitable for minor installation agronomy research variable spectrum cover and its
Spectrum adjusting method is described further.
Example 1：
Corn-soybean strip type composite plant is to develop one of intercropping and interplanting cropping pattern for being exceedingly fast in agricultural production in recent years,
In this mode, tatoin is affected by the concealment of high-order crop plants corn and causes luminous environment to change, low level crop Semen sojae atricolor
Compared with the luminous environment of Soybean Canopy is made only, light quality ratio there occurs change to the light quality of canopy, so as to the growth promoter of Semen sojae atricolor,
Morphogenesis and metabolic process produce extreme influence.The simulation of interplanting spectrum is to carry out soybean physiology metabolism, gene under the pattern
The important prerequisite of the aspect researchs such as expression.
This example is used on the variable spectrum cover using the above-mentioned variable spectrum cover suitable for the research of minor installation agronomy
In the regulation and simulation of light film.With the Soybean Canopy wave spectrogram under normal corn-soybean set operation mode as simulated target, using not
Combine with the filter coating of color, to realize the manual simulation to above-mentioned target optical spectrum.This example is by blue film (numbering C16) and partial veil
(numbering C1) is according to 1:The stacked combined films of 1 proportioning are arranged on the outer layer cover and internal layer cover of variable spectrum cover, so as to preferable
The spectral signal of Soybean Canopy under simulation corn-soybean strip type Compound Planting Model.Fig. 3 shows that typical case is beautiful in example 1
The comparison diagram of Soybean Canopy spectrum and its fit-spectra under rice-Semen sojae atricolor set operation mode, from the figure 3, it may be seen that the spectrum trend one of the two
Cause, this explanation is successfully realized to Soybean Canopy under set operation mode by the variable spectrum cover and spectrum adjusting method of the present invention
The simulation of spectrum.
Example 2：
Plant is contained within different pigmentary systems, and different pigments can utilize the light of different wavelength range, so as to right
The growth promoter of plant produces impact.The just impact photosynthesis of plant of 400~700nm wave-length coverages and the master of growth promoter
Factor is wanted, wherein the HONGGUANG (R) of 600~700nm can reduce the content of plant inner gibberellin, so as to reduce panel length and plant
Plant height degree；And the effect of the far-red light (FR) of 700~800nm is just with HONGGUANG conversely, the gibberellins in plant body can be improved
Content, so as to increase panel length and plant height.Therefore, the light of the wavelength band centered on two wavelength of 660nm and 730nm
The ratio of flux is that the ratio (R/FR) of red and far-red light characterizes the maximum spectrum parameter of Illumination on Plant photomorphogenesis impact.
This example is used on the variable spectrum cover using the above-mentioned variable spectrum cover suitable for the research of minor installation agronomy
The regulation and simulation of light film under natural light.This example is combined using single filter coating or different filter coatings, in natural lighting
Under the conditions of, by converting different filter coatings, realize filtering the effect that (absorption) falls part HONGGUANG or infrared light, can so as to change
Become the R/FR ratios in environment in spectrum cover, reach the purpose of control plant height.
Table 1 lists the R/FR ratios obtained in natural light Imitating using different filter coating combinations, and Fig. 4 shows example
The fit-spectra figure of luminous environment under the different R/FR ratios that different filter coating combine analogs in 2 listed by table 1 are obtained.
The R/FR ratios obtained using different filter coating combine analogs in the example 2 of table 1
| Numbering | Combined films color | R/FR | Numbering | Combined films color | R/FR |
| C4+C14 | Yellow+grey violet Flos Rosae Rugosae | 0.61 | C9+C4 | Pink+yellow | 1.09 |
| C13+C6 | Shallow Flos Rosae Rugosae+lemon yellow | 0.76 | CK | —— | 1.16 |
Can be seen that under the conditions of natural lighting by table 1 and Fig. 4, this example successfully simulates the light of different R/FR ratios
Environment, with (the Spectral irradiance μ Watt.cm of spectral irradiance in 655~665nm wave-length coverages-2) accumulated value is
Infrared luminous flux, spectral irradiance accumulated value is successfully realized not as far red light flux with 725~735nm wave-length coverages
With the simulation of R/FR Ratio Spectrums, in variable spectrum cover the R/FR ratios of ambient lighting by the 1.16 of natural light become respectively in order to
0.61、0.76、1.09.Wherein, CK is represented without the normal lighting conditions under the conditions of filter coating.
Example 3：
It is various in corn-soybean, Maize-Peanut, Semen Maydiss-Rhizoma Solani tuber osi, Sorghum vulgare Pers.-Semen sojae atricolor, Caulis Sacchari sinensis-Semen sojae atricolor, Nicotiana tabacum L.-Semen sojae atricolor etc.
In the research of Compound Planting Model, it is (Semen Maydiss, Sorghum vulgare Pers., sweet that low level crop (Semen sojae atricolor, Semen arachidis hypogaeae, Rhizoma Solani tuber osi etc.) is subjected to high-order crop
Sugarcane etc.) concealment stress, cause lodging aggravation and affect yield and quality.By taking corn-soybean interplanting as an example, interplanting shade environment
Under, keeping away shade reaction causes the cultivated soybean kind internode elongation, is changed into half erect type from erect type or type of overgrowing, and ultimately results in down
Volt, its degree is affected by luminous environment in compound population, is covered stress and is different from Low Light Density Stress and light quality change, and it includes light intensity
Change with of both light quality, be on the one hand to shelter from heat or light to cause the reduction of intensity of illumination, be on the one hand nature light transmission Semen Maydiss green
Blade, causes the change of Soybean Canopy light quality, i.e. R/FR ratios to reduce.In order to verify Semen sojae atricolor to covering the response mechanism of stress,
Beneficial to the research of the aspects such as soybean varieties selection-breeding, chemical regulation, needs are a kind of can simultaneously to simulate different degrees of light intensity with light quality
Easy device.
This example is used on the variable spectrum cover using the above-mentioned variable spectrum cover suitable for the research of minor installation agronomy
The regulation and simulation of environment in cover.This example is arranged in the controlled environment chamber under illumination condition using different filter coating combinations, is led to
Cross and convert different filter coatings, so as to change light intensity and R/FR ratios in variable spectrum cover in environment, reach and simulate indoors
The purpose of stress is covered in various degree.
Table 2 lists the intensity of illumination and R/FR ratios obtained using different filter coating combine analogs.
As can be seen from Table 2, arrange under illumination condition in the controlled environment chamber, this example successfully simulates different light intensity and R/
The luminous environment of FR ratios, make in variable spectrum cover environment illumination intensity 66~14400Lux (spectrum cover bottom), 156~
Big interval inside gradient change as 25200Lux (spectrum cover top), and while its R/FR ratio is realized 0.50~4.31
Such big interval inside gradient change, is successfully realized the different simulations for covering stressful environmental condition.
The intensity of illumination obtained using different filter coating combine analogs in the example 3 of table 2 and R/FR ratios
In sum, the present invention is provided the variable spectrum cover suitable for the research of minor installation agronomy and its spectrum regulation side
Method can simulate different spectral signals and environment by adjusting filter coating species and proportioning, realize to different plants, difference
Different demands of the research topic to spectrum；Simple structure, the light and low cost of above-mentioned variable spectrum cover, can save space and
It is easy to management, the spectrum mould to local space can be realized under the conditions of natural lighting condition and indoors artificial illumination etc. are various
Intend, have no effect on the simulation of other spectrum, it is adaptable to the increment study of the various plants of indoor and outdoor.
Although above already in connection with exemplary embodiment describe the present invention suitable for minor installation agronomy research can
Become spectrum cover and its spectrum adjusting method, but it should be clear to those skilled in the art that in the essence without departing from claim
In the case of god and scope, various modifications and variations can be carried out to above-described embodiment.
Claims (9)
1. it is a kind of suitable for minor installation agronomy research variable spectrum cover, it is characterised in that the variable spectrum cover include it is interior
Layer cover and outer layer cover, the internal layer enclosure be mounted in outer layer cover and the internal layer cover can on the axis direction of outer layer cover edge
The internal face movement of outer layer cover, the fixation kit for fixing internal layer cover is provided with the outer layer cover；The internal layer cover by
The polylith transparent panel of internal layer framework and the side and top surface that cover the internal layer framework is constituted, and the outer layer cover is by outer layer framework
With the polylith transparent panel composition of the side for covering the outer layer framework, it is additionally provided with the internal layer framework and outer layer framework many
Individual filter coating draw-in groove is with the filter coating needed for arranging on each transparent panel surface.
2. it is according to claim 1 suitable for minor installation agronomy research variable spectrum cover, it is characterised in that it is described solid
Component is determined including hold-doun nut and the screw cap hole being arranged in the outer layer framework.
3. it is according to claim 1 suitable for minor installation agronomy research variable spectrum cover, it is characterised in that it is described in
Layer framework is identical with the shape of cross section of outer layer framework.
4. it is according to claim 3 suitable for minor installation agronomy research variable spectrum cover, it is characterised in that it is described in
The shape of cross section of layer framework and outer layer framework is circle, triangle, tetragon, pentagon, hexagon or octagon.
5. it is according to claim 1 suitable for minor installation agronomy research variable spectrum cover, it is characterised in that it is described
Bright panel is transparency glass plate or transparent plastic sheet；Multiple passages are additionally provided with the outer layer cover and/or internal layer cover.
6. it is a kind of suitable for minor installation agronomy research spectrum adjusting method, it is characterised in that under the conditions of natural lighting or
Under indoors artificial illumination condition, using any one of claim 1 to 5 suitable for the variable of minor installation agronomy research
Spectrum cover simultaneously covers on the variable spectrum cover on plant, the face of the filter coating being arranged on by adjustment on the variable spectrum cover
Color and proportioning are simulating different spectral signals and realize adjusting the spectrum of environment in the variable spectrum cover.
7. it is according to claim 6 suitable for minor installation agronomy research spectrum adjusting method, it is characterised in that it is described
The step of spectrum adjusting method also includes the position of the internal layer cover of variable spectrum cover according to the height adjustment of plant.
8. it is according to claim 6 suitable for minor installation agronomy research spectrum adjusting method, it is characterised in that arrange
The color and proportioning of the filter coating on the internal layer cover and the color and proportioning phase of the filter coating being arranged on the outer layer cover
Together.
9. it is according to claim 6 suitable for minor installation agronomy research spectrum adjusting method, it is characterised in that it is described
Spectrum adjusting method can also change the intensity of illumination and/or R/FR ratios of environment in the variable spectrum cover.
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