CN109315177A - The comparison unit and method of a kind of crop root system to space and resource contention - Google Patents
The comparison unit and method of a kind of crop root system to space and resource contention Download PDFInfo
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- CN109315177A CN109315177A CN201811091231.2A CN201811091231A CN109315177A CN 109315177 A CN109315177 A CN 109315177A CN 201811091231 A CN201811091231 A CN 201811091231A CN 109315177 A CN109315177 A CN 109315177A
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- vertical clapboard
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005192 partition Methods 0.000 claims abstract description 34
- 238000002474 experimental method Methods 0.000 claims abstract description 31
- 238000011160 research Methods 0.000 claims abstract description 18
- 238000012875 competitive assay Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000013459 approach Methods 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000002689 soil Substances 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 11
- 230000000474 nursing effect Effects 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 8
- 239000003337 fertilizer Substances 0.000 claims description 8
- 239000010802 sludge Substances 0.000 claims description 6
- 229910001385 heavy metal Inorganic materials 0.000 claims description 4
- 239000000575 pesticide Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 210000002105 tongue Anatomy 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000001568 sexual effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000002860 competitive effect Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 235000016709 nutrition Nutrition 0.000 description 4
- 230000029602 competition with other organism Effects 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Classifications
-
- 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
Abstract
The invention discloses a kind of crop root systems to the comparison unit and method in space and resource contention, which includes cabinet, and cabinet is separated into multiple spaces by partition；Partition includes diaphragm plate and vertical clapboard；Two at least opposite inner walls of cabinet are provided with the first card slot, tabula board ends limit in the first card slot；Vertical clapboard is with diaphragm plate by connecting and fixing；The contact surface and diaphragm plate and vertical clapboard contact surface of diaphragm plate and vertical clapboard and cabinet wall all have sealing structure；The bottom of box offers drainage hole, and drainage hole is drained outward by drainage mechanism；Method using the device include root system to the competitive assay and root system of resource to resource+space competitive assay；The present invention changes grid size and distribution according to the research approach of researcher, has saved place space, and different control experiments is arranged, carries out effective permutation and combination, improves conventional efficient.
Description
Technical field
The present invention relates to arviculture field, a kind of crop root system is more particularly to the ratio in space and resource contention
Compared with device and method.
Background technique
The root system of crops is generally shallow root system, and the growth of crop is by nutrition (resource) in planting density (space) and soil
Influence.Competition between crop underground root system mainly includes the competition to space and resource.Lack suitable device and side at present
Method competes efficiently to study crop root system.
Summary of the invention
Technical problem to be solved by the present invention lies in lack suitable device and method at present efficiently to study farming
Object root competition.
The present invention is solution above-mentioned technical problem by the following technical programs: a kind of crop root system is to space and resource
The comparison unit of competition, including cabinet, cabinet are separated into multiple spaces by partition；The partition includes diaphragm plate and vertical clapboard；
Two at least opposite inner walls of the cabinet are provided with the first card slot, tabula board ends limit in the first card slot；Vertical clapboard with
Diaphragm plate is by connecting and fixing；The contact surface of the diaphragm plate and vertical clapboard and cabinet wall has sealing structure；The cabinet
Bottom offers drainage hole, and the drainage hole is drained outward by drainage mechanism.
Preferably, the tabula board ends are equipped with the first tongue, and first tongue is connected in first card slot；Institute
Diaphragm plate is stated equipped with the second card slot, the vertical clapboard both ends are equipped with the second tongue, and second tongue is connected to described second
In card slot.
Preferably, first card slot and second card slot are arranged at intervals with multiple, and two adjacent first
Interval between card slot is equal, and the interval between two adjacent second card slots is equal, between two adjacent first card slots
It is spaced equal with the interval between two adjacent second card slots.
Preferably, the vertical clapboard includes no hole vertical clapboard and hole vertical clapboard, and the diaphragm plate is hollow structure,
Middle control structure is the cavity of same intervals, and cavity wall opens up hole, cavity interval and two adjacent second card slots interval phase
Deng the vertical clapboard can be connected in cavity.
Preferably, the cabinet two sides are equipped with handle, and tank floor quadrangle is equipped with pulley, and the pulley is equipped with brake
Device, the brake are controlled by brake button, and the brake button is located at below handle, and the bottom of box sets well-regulated
Drainage hole, each drainage hole are respectively connected with drainpipe, and the drainpipe is connected to threeway drain valve, and the T-way water valve includes
Sludge outlet and water out are equipped with strainer at water out, are connected with water valve at water out, sludge outlet is plugged with water plug, described
Cabinet depth is higher than crop root system depth 0.3m~1m.
Preferably, the sealing structure is gasket, and the gasket is sealed in each seam crossing.
A method of relatively crop root system is to space and resource contention, including root system to the competitive assay and root of resource
To resource+space competitive assay, the root system includes: to the step of competitive assay of resource for system
Step 1: partition is inserted into corresponding card slot, device is divided into the grid of same size by seedlings nursing plate design；Root
According to root system to the research approach of resource contention, control group and different processing groups are set, below-ground competition, processing is not present in control group
The processing scheme of group is set as three types, i.e., is not added removal experiment, addition experiment, removal experiment；Processing group neighbouring
Partition between body is set as no hole vertical clapboard or hole vertical clapboard according to experiment；
Step 2: seedling management after seedlings nursing plate designs, is transplanted crops and is managed, control group and processing group
The different gradation of moisture and fertilizer gradient are applied, or controls moisture and fertilizer gradient simultaneously；
Step 3: competition is compared, and after handling the regular period, compares the competition between root system, by by processing group and control
Individual subject band soil in group takes out, through washing root, cut root, root system dries, scan root system, divide finally by root system analysis software
Root index is analysed, analysis comparison is carried out；
Crop root system is to unlike the method for the competition in space compared with, and the root system is to the competition of resource+space
The device of experiment is divided into different size of grid, and all hole vertical clapboards of partition between the neighbouring individual of processing group.
Preferably, the analysis of step 3 compare including compare under different disposal the difference of root system and comparison it is individual with
Dry weight, weight in wet base, yield between individual.
Preferably, the step 2 further includes the processing of setting heavy metal, pesticide-treated.
The present invention has the advantage that compared with prior art
1) method of the device and application device succinctly can efficiently study crops (kindred plant or different plantations
Object) between root system to resource or the intraspecific competition of resource+space and interspecies competition.The device can flexibly change, according to researcher
Research approach change grid size and distribution, saved place space, avoided the interference of other factors.
2) method of the device and application device can be arranged different control and test by adding and remove experiment, into
The effective permutation and combination of row, improves conventional efficient.
3) method of the device and application device can the symmetrical sexual competition of reasonable design (adjacent body competition individual is in symmetrical point
Cloth) and asymmetry competition (adjacent body competition individual is in asymmetric distribution), analyze the competitive influence to research object.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in invention description will be made below
Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the invention, common for this field
For technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 be a kind of crop root system disclosed in this invention to the cabinet of the comparison unit in space and resource contention outside
Structure chart；
Fig. 2 is a kind of bottom of box of the crop root system disclosed in this invention to the comparison unit in space and resource contention
The discharge structure schematic diagram of one drainage hole；
Fig. 3 is a kind of crop root system disclosed in this invention to the perpendicular without hole of the comparison unit in space and resource contention
Partition main view；
Fig. 4 is that a kind of crop root system disclosed in this invention is perpendicular to the hole of the comparison unit in space and resource contention
Partition main view；
Fig. 5 be a kind of crop root system disclosed in this invention to the diaphragm plate of the comparison unit in space and resource contention,
Vertical clapboard and cabinet assembling plan view；
Fig. 6 is a kind of top view of the crop root system disclosed in this invention to the comparison unit in space and resource contention；
Fig. 7 is that a kind of relatively crop root system disclosed in this invention tests the method control group in space and resource contention
Schematic diagram；
Fig. 8 be it is disclosed in this invention it is a kind of relatively crop root system to root system in the method in space and resource contention to money
The competitive assay processing group schematic diagram in source；
Fig. 9 be it is disclosed in this invention it is a kind of relatively crop root system to root system in the method in space and resource contention to money
Source+space competitive assay processing group schematic diagram.
Corresponding component title represented by number in figure:
1. 2. diaphragm plate of cabinet, 3. vertical clapboard
4. 5. drainage mechanism of sealing structure, 101. handle
102. 103. brake button of pulley, 104. first card slot
105. 201. first tongue of drainage hole, 202. second card slot
203. cavity, 301. second tongue 302. is without hole vertical clapboard
303. hole vertical clapboard, 501. drainpipe, 502. threeway drain valve
503. strainer, 504. water valve, 505. water plug
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
As shown in figures 1 to 6, comparison unit of a kind of crop root system to space and resource contention, a kind of crop root system pair
The comparison unit in space and resource contention, including cabinet 1, cabinet 1 are separated into multiple spaces by partition；The partition includes tabula
Plate 2 and vertical clapboard 3.
1 two sides of cabinet are equipped with handle 101, and 1 bottom surface quadrangle of cabinet is equipped with pulley 102, and the pulley 102 is equipped with brake
Vehicle device (not shown), the brake (not shown) are controlled by brake button 103, and the brake button 103 is located at handle 101
Lower section is provided with the first card slot 104 in two at least opposite inner walls of the cabinet 1, and 2 both ends of diaphragm plate are limited in the first card slot
In 104；1 bottom of cabinet sets well-regulated drainage hole 105, and each drainage hole 105 is respectively connected with drainpipe 501, institute
It states drainpipe 501 and is connected to threeway drain valve 502, the threeway drain valve 502 includes sludge outlet and water out, at water out
Equipped with strainer 503, water valve 504 is connected at water out, sludge outlet is plugged with water plug 505, and 1 depth of cabinet is higher than crops
Root system depth 0.3m~1m.
2 both ends of diaphragm plate are equipped with the first tongue 201, and first tongue 201 is connected to first card slot 104
It is interior；The second card slot 202 is additionally provided on the diaphragm plate 2, it is vertical with cabinet 1 that second card slot 202 is located at the diaphragm plate 2
On side, the diaphragm plate 2 is hollow structure, and middle control structure is the cavity 203 of same intervals, and cavity wall opens up hole, empty
Interval between chamber 203 is equal with the interval of two adjacent second card slots.
For the vertical clapboard 3 with diaphragm plate 2 by connecting and fixing, 3 both ends of vertical clapboard are equipped with the second tongue 301, described
Second tongue 301 is connected in second card slot 202.The vertical clapboard 3 can also be connected in cavity 203, be connected to
The vertical clapboard 3 of two tongues 301 is and also vertical with the vertical clapboard 3 for being connected to cavity 203 perpendicular to diaphragm plate 2.
Specifically, first card slot 104 and second card slot 202 are arranged at intervals with multiple, and two adjacent
The first card slot 104 between interval it is equal, the interval between two adjacent second card slots 202 is equal, two adjacent
Interval between one card slot 104 is equal with the interval between two adjacent second card slots 202.
Specifically, the vertical clapboard 3 includes no hole vertical clapboard 302 and hole vertical clapboard 303, the hole it is perpendicular every
Plate 303 be entire vertical clapboard gather from bottom until top strip hole.
Specifically, the diaphragm plate 2 has sealing structure 4 with the contact surface of vertical clapboard 3 and 1 inner wall of cabinet；The sealing
Structure 4 is gasket, and the gasket is sealed in each seam crossing.
Embodiment 1
As shown in Figure 7 and Figure 8, a kind of relatively crop root system is to root system in the method in space and resource contention to resource
The step of competitive assay, experiment includes:
Step 1: seedlings nursing plate design.Seedlings nursing plate design is the most important ring of research.Partition is inserted into corresponding card slot,
The device is divided into the grid of same size.According to root system to the research approach of resource contention, can be set as control group (Fig. 7) and
Different processing groups (Fig. 8).Control group is set as no underground root system competition, i.e., individual subject is in center, four adjacent body competitions
Body is evenly distributed on surrounding, and four partitions are all no hole vertical clapboard.Imperforate partition hinders moisture, soil between adjacent grid
Earth nutrition and the infiltration of root system, therefore below-ground competition is not present.Pass through the different partitions and different size of grid set in the device
Combination, according to research needs, planted in the neighbouring grid around individual subject different size the competition of adjacent body it is individual (plantation
Type, quantity and distributing position are set as needed), constitute different processing groups.The processing scheme of processing group is set as three types
Type.
Be not added removal experiment (processing 1, Fig. 8-BCDE), B, C, D, E be respectively adjacent body competition individual amount be 2,
3, schematic diagram is tested in 4,1 removal that is not added, and (existing surrounding is uniform with 4 neighbouring individuals for primary consideration individual
The neighbouring individual of 4 of distribution) subterranean resource (nutritional resource of water resource and soil) competition, do not consider newly-increased individual or removal
Influence of the individual to research object.By the partition between replacement individual subject and 4 neighbouring individuals, settable different competition classes
Type such as competes individual amount, and whether competition individual is symmetrical sexual competition.Competition individual amount can be set to 1 (such as Fig. 8-
E), 2 (such as Fig. 8-B), 3 (such as Fig. 8-C), 4 (such as Fig. 8-D).The below-ground competition type point of individual subject and neighbouring individual
Are as follows: symmetrical sexual competition and asymmetry competition.Symmetrical sexual competition is that (partition is to have hole) is symmetric between competitive individual,
Such as Fig. 8-D；Asymmetry competition is distributed, such as Fig. 8-B, 8-C and 8-E in asymmetry between competitive individual.
Addition experiment (processing 2, Fig. 8-FGHI), F, G, H, I are that the addition experiment of newly-increased 1~4 adjacent body individual respectively is shown
It is intended to, after main research newly-increased individual (new competition source), the variation and difference of the root system resource contention that individual subject is subject to.It is right
As the partition between individual and neighbouring competition individual is all hole vertical clapboard.Newly-increased individual is mainly distributed on the quadrangle of grid.
It considers respectively and increases the quantity (1~4 individual can be increased newly respectively, such as Fig. 8-FGHI) of individual newly, whether be that individual of the same race is (newly-increased
Whether individual identical with individual subject type, such as Fig. 8-FG), whether symmetrical (consideration is symmetrical, such as Fig. 8-FG for distribution；It is not right
Claim distribution, such as Fig. 8-HI) three types.
Removal experiment (processing 3, Fig. 8-JKLM), J, K, L, M are to remove 1~3 individual removal respectively to test schematic diagram,
Wherein K, L are two individuals of removal, and K is symmetrical, L mal-distribution；It is right after mainly research removes partial competition individual
As the variation and difference of the root system resource contention that individual is subject to.Partition between individual subject and neighbouring competition individual has been all hole
Hole vertical clapboard.Whether quantity (1~3 individual can be removed respectively, such as Fig. 8-JKLM), the distribution for considering removal individual respectively are right
Claim (it is symmetrical, such as Fig. 8-K；Mal-distribution, such as Fig. 8-JLM) two types.
Step 2: seedling management after seedlings nursing plate designs, is transplanted crops and is managed, control group and processing group
The different gradation of moisture and fertilizer gradient are applied, or controls moisture and fertilizer gradient simultaneously；Also settable other different processing,
Such as heavy metal processing, pesticide-treated.
Step 3: competition is compared, and after handling the regular period, compares the competition between root system, by by processing group and control
Individual subject band soil in group takes out and (avoids injury root system), through washing root, cut root, root system dries, scans root system, finally by
Root system analysis software root index, carries out analysis comparison；The difference including comparing root system under different disposal is compared in the analysis
Dry weight, weight in wet base, yield between different and more individual and individual.
Embodiment 2
As shown in figures 7 and 9, a kind of relatively crop root system is to root system in the method in space and resource contention to resource+sky
Between competitive assay, the step of experiment includes:
Step 1: seedlings nursing plate design.Partition is inserted into corresponding card slot, which is divided into different size of grid.
According to root system to the research approach of resource contention, control group (Fig. 7) and different processing groups can be set as.Control group is set as without ground
Lower root competition, i.e. individual subject are evenly distributed on surrounding in center, four adjacent body competition individuals, and four partitions are perpendicular for no hole
Partition.No hole vertical clapboard hinders the infiltration of moisture, soil nutrient and root system between adjacent grid, therefore below-ground competition is not present.
It is combined by the different partitions set in the device and different size of grid, the neighbour according to research needs, around individual subject
(type, quantity, density and the distributing position of plantation are set the adjacent body competition individual of plantation different size as needed in nearly grid
It is fixed), constitute different processing groups.The processing scheme of processing group is set as three types.Partition between the neighbouring individual of processing group is whole
For hole vertical clapboard, hole partition has the hole of certain specification, and liquid manure, soil and root system of plant is allowed to pass through.Neighbouring
Competition between body i.e. there are underground to resource, there is also competition for space, the result of research is root system to space and resource
Competitive assay.
It is not added removal experiment (processing 1, Fig. 9-NOPQ), N, O, P, Q are that the individual amount of intermediate grid is respectively 4
Schematic diagram is tested in~2 removals that are not added, and wherein P, Q are to add two individuals, and P mal-distribution, Q symmetrically divides
The space (population density increases in intermediate grid) of cloth, primary consideration individual and neighbouring individual and subterranean resource (water resource
With the nutritional resource of soil) competition, do not consider newly-increased or removes the original neighbouring individual in 4, intermediate grid periphery to research object
It influences.Partition between individual subject and neighbouring competition individual is all hole vertical clapboard.The individual amount of intermediate grid is from right
It can be increased respectively to 2 (Fig. 9-PQ) according to one of group, 3 (Fig. 9-O) and 4 (Fig. 9-N).
Addition experiment (processing 2, Fig. 9-RSTU), R, S, T, U are the number of individuals of the periphery grid of original intermediate grid by 1
4 addition experiments experiment schematic diagrames are changed to, the grid changed respectively is 1,2,3,4, mainly studies the week of original intermediate grid
After side grid newly-increased individual (new competition source), the variation and difference in root system space and resource contention that individual subject is subject to.It is right
As all hole vertical clapboards of partition between individual and neighbouring competition individual.It considers respectively and increases the quantity of individual newly, divides
Whether cloth symmetrically waits 2 seed types, symmetrical such as Fig. 9-U, mal-distribution such as Fig. 9-RST.
Removal experiment (processing 3, Fig. 9-VWXY), V, W, X, Y are to remove the individual (individual of intermediate grid periphery of partial competition
And the individual in intermediate grid) removal experiments experiment schematic diagram, mainly research removes (intermediate grid after partial competition individual
Individual in the individual and intermediate grid of periphery), the variation and difference in root system space and resource contention that individual subject is subject to.It is right
As all hole vertical clapboards of partition between individual and neighbouring competition individual.The quantity of removal individual is considered respectively, is divided
Whether symmetrical 2 seed types of cloth.
Step 2: seedling management after seedlings nursing plate designs, is transplanted crops and is managed, control group and processing group
The different gradation of moisture and fertilizer gradient are applied, or controls moisture and fertilizer gradient simultaneously；Also settable other different processing,
Such as heavy metal processing, pesticide-treated.
Step 3: competition is compared, and after handling the regular period, compares the competition between root system, by by processing group and control
Individual subject band soil in group takes out and (avoids injury root system), through washing root, cut root, root system dries, scans root system, finally by
Root system analysis software root index, carries out analysis comparison；The difference including comparing root system under different disposal is compared in the analysis
Dry weight, weight in wet base, yield between different and more individual and individual.
△ is individual subject；Zero is adjacent body competition individual.If individual subject and adjacent body competition individual are same species, i.e.,
For intraspecific competition；It is then interspecies competition if different species." --- " is without hole vertical clapboard；The individual divided with solid line, by
Moisture, soil nutrient and root system cannot pass through mutually between adjacent grid, therefore below-ground competition is not present.Table
It is shown with hole vertical clapboard, is usedThe individual of segmentation, since moisture, soil nutrient and root system between adjacent grid can
It passes through mutually, therefore there are below-ground competitions.Addition experiment increases in original control basis, to increase new neighbouring individual
The quantity of adjacent body competition individual.Removal experiment competes individual for the adjacent body in original control basis, reduced around individual subject,
Reduce the quantity of adjacent body competition individual.
The operation principle of the present invention is that by being clamped diaphragm plate 2 on cabinet 1, then vertical clapboard 3 is clamped between diaphragm plate 2
Cabinet space is divided into the grid of different size or same size as needed, the quantity of grid is also set as needed,
Diaphragm plate 2 is set as hollow structure simultaneously, and there is cavity 203 in inside, and cavity wall is equipped with hole, for different experiments, Ke Yi
Grafting hole vertical clapboard 303 or without hole vertical clapboard 302 in cavity 203, which has flexibility, meets experiment and wants
It asks, the structure of box house grid can be changed as needed for different experimental studies, a cabinet cooperates different erect
Partition 3 can complete multiple groups experiment, save experimental site, practicability is good, and experimental efficiency is high.
By the above technology bill, a kind of crop root system disclosed in this invention fills the comparison in space and resource contention
Set and method, succinctly can efficiently study between crops (kindred plant or not kindred plant) root system to resource or space and
The intraspecific competition of resource and interspecies competition.The device can flexibly change, according to the research approach of researcher change grid size and
Distribution, has saved place space, has avoided the interference of other factors.The device and application the device method can by addition and
Experiment is removed, different control experiments is set, carries out effective permutation and combination, improves conventional efficient.The device and application should
The method of device can the symmetrical sexual competition of reasonable design (adjacent body competition individual be symmetric) and asymmetry compete that (adjacent body is competing
Individual is striven in asymmetric distribution), analyze the competitive influence to research object.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of crop root system is to the comparison unit in space and resource contention, which is characterized in that including cabinet, cabinet is by partition
It is separated into multiple spaces；The partition includes diaphragm plate and vertical clapboard；Two at least opposite inner walls of the cabinet are provided with
One card slot, tabula board ends limit in the first card slot；Vertical clapboard is with diaphragm plate by connecting and fixing；The diaphragm plate and it is perpendicular every
The contact surface and diaphragm plate and vertical clapboard contact surface of plate and cabinet wall all have sealing structure；The bottom of box offers
Drainage hole, the drainage hole are drained outward by drainage mechanism.
2. a kind of crop root system according to claim 1 is to the comparison unit in space and resource contention, which is characterized in that
The tabula board ends are equipped with the first tongue, and first tongue is connected in first card slot；The diaphragm plate is equipped with
Second card slot, the vertical clapboard both ends are equipped with the second tongue, and second tongue is connected in second card slot.
3. a kind of crop root system according to claim 1 is to the comparison unit in space and resource contention, which is characterized in that
First card slot and second card slot are arranged at intervals with multiple, and the interval phase between two adjacent first card slots
Deng, the interval between two adjacent second card slots is equal, the interval between two adjacent first card slots with it is two adjacent
Interval between second card slot is equal.
4. a kind of crop root system according to claim 1 is to the comparison unit in space and resource contention, which is characterized in that
The vertical clapboard includes no hole vertical clapboard and hole vertical clapboard, and the diaphragm plate is hollow structure, and hollow structure is identical
The cavity at interval, cavity wall open up hole, and cavity interval is equal with two adjacent second card slots interval, the vertical clapboard energy
Enough it is connected in cavity.
5. a kind of crop root system according to claim 1 is to the comparison unit in space and resource contention, which is characterized in that
The cabinet two sides are equipped with handle, and tank floor quadrangle is equipped with pulley, and the pulley is equipped with brake, and the brake passes through
Brake button control, the brake button are located at below handle, and the bottom of box sets well-regulated drainage hole, each row
Water hole is respectively connected with drainpipe, and the drainpipe is connected to threeway drain valve, and the T-way water valve includes sludge outlet and water out,
It is equipped with strainer at water out, water valve is connected at water out, sludge outlet is plugged with water plug, and the cabinet depth is higher than crops
Root system depth 0.3m~1m.
6. a kind of crop root system according to claim 1 is to the comparison unit in space and resource contention, which is characterized in that
The sealing structure is gasket, and the gasket is sealed in each seam crossing.
7. it is competing to space and resource that a kind of use comparison unit described in any one of claims 1-6 compares crop root system
The method striven, which is characterized in that described including root system to the competitive assay and root system of resource to resource+space competitive assay
Root system includes: to the step of competitive assay of resource
Step 1: partition is inserted into corresponding card slot, device is divided into the grid of same size by seedlings nursing plate design；According to root
It is the research approach to resource contention, control group and different processing groups is set, below-ground competition is not present in control group, processing group
Processing scheme is set as three types, i.e., is not added removal experiment, addition experiment, removal experiment；Between the neighbouring individual of processing group
Partition no hole vertical clapboard or hole vertical clapboard are set as according to experiment；
Step 2: seedling management after seedlings nursing plate designs, is transplanted crops and is managed, and control group and processing group are applied not
The same gradation of moisture and fertilizer gradient, or moisture and fertilizer gradient are controlled simultaneously；
Step 3: competition is compared, and after handling the regular period, compares the competition between root system, by will be in processing group and control group
Individual subject band soil take out, through washing root, cut root, root system dries, scans root system, finally by root system analysis software root
It means mark, carries out analysis comparison；
Crop root system is to unlike the method for the competition in space compared with, and the root system is to resource+space competitive assay
Device be divided into different size of grid, and all hole vertical clapboards of partition between the neighbouring individual of processing group.
8. method of the relatively crop root system to space and resource contention according to claim 7, which is characterized in that step
Three analysis is compared including comparing dry weight, weight in wet base, production between the difference of root system and comparison are individual and individual under different disposal
Amount.
9. method of the relatively crop root system to space and resource contention according to claim 7, which is characterized in that described
Step 2 further includes the processing of setting heavy metal, pesticide-treated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091231.2A CN109315177B (en) | 2018-09-19 | 2018-09-19 | Device and method for comparing competition of crop root system to space and resources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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