CN104322248B - The Hierarchical Location research method and layering positioner of plant root growth - Google Patents
The Hierarchical Location research method and layering positioner of plant root growth Download PDFInfo
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- CN104322248B CN104322248B CN201410527263.8A CN201410527263A CN104322248B CN 104322248 B CN104322248 B CN 104322248B CN 201410527263 A CN201410527263 A CN 201410527263A CN 104322248 B CN104322248 B CN 104322248B
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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
- 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
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- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The Hierarchical Location research method and layering positioner of plant root growth, it is provided with the isolating cylinder of dried layer positioning net if soil will be tested and be mounted in, the seed of plant is studied in plantation, plant growth digs out isolating cylinder after reaching standard, experiment soil is washed away with water, being collected into root system of plant sample carries out various research test jobs.The track accurate positioning of gained plant root growth, integrality is high, loss is few, root depth is taken to be easily controlled, reduce the destruction for taking root process to root system, reduce sampling error, the growing environment of root system of plant is approached with natural environment, can adapt to the root system research of the difference plant such as corn and soybean, paddy rice and mung bean, sorghum, peanut, is had a wide range of application.Locator structure is simple, and low cost uses flexible convenient disassembly, root, soil can be easily separated, and wash root process simple, it is ensured that take that root is accurate, original position is good, integrality is high, growth track it is clear, root system loss is low, reduces the complexity of operation, and the labour intensity of researcher is mitigated significantly.
Description
Technical field
The present invention relates to root system of plant culture and the research method and utensil of growth, specifically a kind of plant root growth
Hierarchical Location research method and layering positioner.
Background technology
Root system plant grow and vital movement in play an important roll, further investigate root system of plant form knot
Structure, physiological characteristic have important theory and production practices meaning.To relating to the sampling of root system of plant in the research of agricultural science more
And the operation of Different Crop, different soil properties, different depth, different parts, different root amounts and different purposes.
At present, mining method is commonly used in the research to field crop root system（Soil drilling method or soil block method etc.）, Split-Root Nutrient Solution Method, pot-culture method,
Mesh bag method, soilless culture（Water, sand, gravel or air culture）Method, tracer method etc. are sampled and observe, but these methods
And device mostly has following many drawbacks：Not enough precisely, root, soil are not readily separated for sampling, take that root integrality is poor, root system is lost
Greatly；Plant species growing area is generally basin shape, square groove shape or cylindrical shape, and basin shape plantation volume is often not enough, limits the growth of root, at present
Square groove or cylinder plantation it is many to fix based on cement tub or porcelain jar, building up rear depth can not change, and overall pulling down is difficult, experiment
Limitation is larger, and later stage experiment takes root operating difficulties；The integrality that root process is easily destroyed plant root is taken, root system is in soil
Originally there is larger movement in growth track, and the track destruction of root growth is obvious and cannot reduce, root system loss in each soil horizon
Seriously, the growing state with root system script differs greatly；Core original state is preserved and difficult treatment, washes root process complexity, operating cost
When it is laborious, application limitation is big, is unsuitable for the research of root distinction coefficient；Culture environment is larger with Difference of physical environment, root system
Form, structure and distribution, root approximate number amount and internal enzyme activity and bio-hormone content difference are obvious, tracer isotope radioactivity grain
There is the danger of pollution environment in son.It was found that have the report of some observation procedures and equipment on plant root growth process etc.,
But there are still：Structure without fixed root system, is easily destroyed the resistance to overturning of root system of plant, and washing root process wastes time and energy
Operating difficulties, washing during root can not fix the growth structure of root system longitudinal direction, and the actual growth trajectory displacement of root system of plant is larger；
A bottom is completely separated with natural soils environment for installing additional of having, and the environment such as soil moisture, microorganism cannot be communicated with nature, nothing
The upgrowth situation of root system under the complete simulating natural condition of method；Installation, disassembling section are complicated, and the large scale equipments such as crane are needed individually
Auxiliary, carry the stabilization that excavations, flushing process are difficult to ensure that after soil because device is excessively heavy, it is difficult to after maintaining root system positioning
There is no the defects such as larger displacement in track.
The content of the invention
The purpose of the present invention is directed to the deficiency that above-mentioned prior art is present, there is provided one kind takes root accurate positioning, original position
It is good, flexible and convenient to use, the Hierarchical Location research method and layering positioner of the plant root growth of high working efficiency.
Primary and foremost purpose of the invention is to provide a kind of Hierarchical Location research method of plant root growth.
The Hierarchical Location research method of this plant root growth, follow these steps to carry out：
（1）In the spacing container that can avoid surrounding soil ambient influnence, at least two-layer positioning that setting is parallel to each other
Net；
（2）Experiment soil needed for experiment is filled in spacing container, foot is poured into the spacing container for filling experiment soil
The water of amount makes experiment soil heavy real, lays equal stress on and is added with soil, water-pouring process, until the experiment soil in spacing container is down to most last layer
Untill the position of positioning net no longer declines；
（3）At in sowing time, by the seed of studied plant, the experiment soil that most last layer positions online sowing opening is planted in
In earth；
（4）After plant growth to be studied reaches standard needed for experiment, the experiment soil of spacing container and its inside is dug out, torn open
It is online except root system of plant is further secured into positioning with hook, nail or tether after spacing container, then washed away from top to bottom with water
The positioning experiment soil that encloses of net week, you can be collected into that original position is good, the growth root system of plant sample that track is clear, integrality is high,
Carry out various research test jobs.
In order to adapt to various plants（For example：Corn and soybean, paddy rice and mung bean, sorghum, peanut etc.）Root growth is studied
Different requirements.The cross sectional shape of the spacing container, can be circular, square or rectangular, highly be 200-1000 millis
Rice, cross-sectional area is 15000-206000 square millimeters.Positioning net is settable 2-10 layers, and the vertical interval for positioning net is
100-200 millimeters, the mesh aperture for positioning net is 8-4 mesh（2.36-4.75 millimeters）.
It is described experiment soil be：Black earth series, including greyzem, black earth, Baijiang soil and chernozem.
In order to preferably realize the studies above method, it is a further object of the present invention to provide a kind of layering of plant root growth
Locator.
This plant root growth layering positioner, is made up of, feature the isolating cylinder that can avoid surrounding soil ambient influnence
It is that positioning Dropbox fixed mount has been mounted in isolating cylinder, activity is equipped with least two-layer positioning Dropbox on positioning Dropbox fixed mount.
The positioning Dropbox fixed mount is made up of at least three positioning Dropbox fix bars, and correspondence sets in positioning Dropbox fix bar
There are at least two positioning Dropbox fixing cards, activity is equipped with positioning Dropbox in positioning Dropbox fixing card.Positioning Dropbox fixing card can set
2-10 layers are put, the vertical interval for positioning Dropbox fixing card is 100-200 millimeters；Positioning Dropbox is made up of positioning Dropbox frame, fixed
Positioning net is fixedly connected with the Dropbox frame of position, at least one sowing opening is provided with the positioning net center of the positioning Dropbox of the superiors,
The mesh aperture for positioning net is 8-4 mesh（2.36-4.75 millimeters）；The height of isolating cylinder is 200-1000 millimeters, isolating cylinder
Cross-sectional area is 15000-206000 square millimeters.
The shape of described isolating cylinder and the positioning Dropbox being matched therewith, can be circular, square or rectangular.
In order to ensure positioning Dropbox fixed mount when in use, dismounting more facilitates, and places firm, reliable, in positioning Dropbox
The upper end of fix bar is respectively equipped with stay hook, and fixed pipe sleeve, fixed pipe sleeve are connected with the lower end of positioning Dropbox fix bar
It is respectively fixedly connected with underframe.
In order to isolating cylinder is more convenient when in use, firm, it is completely embedded, two parts that isolating cylinder is divided into by vertical direction
Make-up is constituted, and at least one isolating cylinder fixing card is provided with the outside of the isolating cylinder after make-up.
Layering positioner simple structure of the invention, can select raw material such as PVC-U tubing, stainless steel and general zero
Part, and using the technique processing and fabricatings such as conventional welding, easily low cost, implementation.
Layering positioner design science of the invention rationally, easily operation, take root original position it is good, growth track it is clear, complete
Whole property is high, takes root and consumes less, destroys small, to realize the Hierarchical Location research method of plant root growth, there is provided be a kind of special
Utensil.In order to adapt to the research of different root systems of plant, if positioning Dropbox fixed mount on can vertical direction place dried layer positioning Dropbox,
Each layer positioning Dropbox can select the positioning net of different pore size mesh according to different root system of plant situations.In order to realize positioning Dropbox pair
Being accurately positioned for each layer root system of plant, is provided with the positioning Dropbox fixing card of fixed range, to each net in positioning Dropbox fix bar
Disk position is accurately positioned.
When research is used, will first assemble the positioning Dropbox fixed mount for finishing and load in the isolating cylinder after combination, and will isolation
Cylinder is put into the heatable adobe sleeping platform more than its volume that test site has been dug, then experiment soil is inserted inside and outside isolating cylinder, to filling examination
Testing the isolating cylinder of soil, to pour into enough water heavy real, repeats plus soil, water-pouring process, is down to until testing soil in isolating cylinder and most goes up
One position of positioning Dropbox is not declining, you can the seed of studied plant is planted in the examination in sowing opening in sowing time
Test in soil.After standard needed for experiment to be achieved, plant root growth layering positioner is dug out, remove isolating cylinder, washed away with water
Experiment soil in positioning Dropbox fixed mount, you can be collected into the root system of plant sample that original position is good, integrality is high, carry out items
The research work such as the measure of index.
The Hierarchical Location research method and layering positioner of plant root growth of the invention compared with prior art, have
There is following beneficial effect：The Hierarchical Location research method and layering positioner of plant root growth of the invention, can select simultaneously
With the positioning net in several different size apertures, and different vertical intervals are set, positioning net emplacement depth is accurate, root system of plant
The displacement minimum and firm position of track are grown, makes to take root sample farthest close to Production of Large Fields；Determine root growth track
Really, root integrality is high, loss is few, takes root depth and is easily controlled, and each soil layer root structure is complete and position is accurate, reduces for level
Root process is taken to the overall destructiveness of root system, sampling error is reduced；Spacing container is conducive to testing preservation and the place of soil
Reason, growing environment and the natural environment of root system of plant are approached, the not generation environment pollution of whole growth course；Can adapt to different plants
The research of thing, such as corn and soybean, paddy rice and mung bean, sorghum, peanut and other crops, can meet the various of root growth situation
Research work, has a wide range of application.
Layering positioner simple structure, low manufacture cost, using flexible, dismounts simplicity, and root, soil can be easily separated, and wash root mistake
Journey is simple, and it is time saving and energy saving to operate, and root system loss is low, takes root accurately, efficiently, reduces the complexity of operation, and isolating cylinder is by hanging down
Nogata is constituted to two parts make-up being divided into, and is provided with the tension force that isolating cylinder fixing card carries experiment soil, the body of isolating cylinder
Product is moderate, and the implementation for making locator dismounting and taking root work is more convenient, it is easy to operate, and the work that researcher is mitigated significantly is strong
Degree, for the realization of Hierarchical Location research method provides good utensil.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of plant root growth layering positioner of the present invention.
Fig. 2 is to position the structural representation that Dropbox is assembled on positioning Dropbox fixed mount.
In figure：1 isolating cylinder, 1.1 isolating cylinder fixing cards, 2 positioning Dropbox fixed mounts, 2.1 positioning Dropbox fix bars, 2.2 are determined
Pipe sleeves, 2.5 underframes are fixed in position Dropbox fixing card, 2.3 stay hooks, 2.4,3 positioning Dropbox, 3.1 positioning Dropbox frames, 3.2 positioning nets,
3.3 sowing openings.
Specific embodiment
With reference to each embodiment, the invention will be further described.
Embodiment 1:Plant root growth layering positioner
Referring to the drawings 1,2, this be it is a kind of be provided with five layers of circular plant root growth layering positioner of positioning Dropbox, by can
Two isolating cylinders of semicircular arc make-up 1 of surrounding soil ambient influnence are avoided, the structure of isolating cylinder fixing card 1.1 on isolating cylinder
Into.Mounted in isolating cylinder by the positioning Dropbox fixed mount 2 being made up of four positioning Dropbox fix bars 2.1, position Dropbox fix bar
On be correspondingly provided with five equidistant positioning Dropbox fixing cards 2.2, the upper end for positioning Dropbox fix bar is provided with stay hook 2.3,
The lower end for positioning Dropbox fix bar is fitted close equipped with fixed pipe sleeve 2.4, and fixed pipe sleeve is respectively welded at the underframe 2.5 of circle
On.Equipped with positioning Dropbox 3, positioning Dropbox is by positioning Dropbox frame for activity in the positioning Dropbox fixing card of positioning Dropbox fixed mount
3.1 compositions, are fixedly connected with positioning net 3.2 on positioning Dropbox frame, be provided with the positioning net center of the positioning Dropbox of the superiors and broadcast
Plant mouth 3.3.
Embodiment 2:The Hierarchical Location research of corn root growth under 60000 plant/hectare planting densities
In order to study the root growth situation of corn, a circular root system of plant for being provided with five layers of positioning Dropbox is made first
Growth layering positioner, by plant/hectare of planting density 60000, it is 270 millimeters, height to select the isolating cylinder internal diameter of layering positioner
It is 550 millimeters to spend, and positioning Dropbox fix bar and stay hook are made from 4 600 millimeters long of stainless steel rods, and positioning Dropbox is vertical
100 millimeters of the spacing in direction, positions a diameter of 260 millimeters of Dropbox, and the mesh aperture that net is positioned in positioning Dropbox divides from top to bottom
Wei not 4 mesh（4.75 millimeters）1,6 mesh（3.35 millimeters）2,8 mesh（2.36 millimeters）2.
After layering positioner assembling is finished, a heatable adobe sleeping platform for deep 550 millimeter is dug in optional test place, by plant
Root growth layering positioner is placed in heatable adobe sleeping platform, and experiment soil is inserted inside and outside isolating cylinder, and dress soil is finished in backward isolating cylinder
Repeatedly plus heavy real about 4-5 times of soil, water, make to test the position that soil stabilization positions Dropbox in most last layer in isolating cylinder.In sowing
Corn seed is planted in the experiment soil at sowing opening during the phase.Several parameter identical Hierarchical Locations can be chosen during experiment
Device, while load different experiment soil and fertilizer respectively, to simulate root system of plant under the environment such as different soils, different fertilizer
Growth.The field management such as irrigation are consistent with field management.
It is to be achieved take the root phase after, strike off milpa aerial part, the cane of 100 millimeters is retained during cutting.Dig out
Plant root growth layering positioner, opens isolating cylinder fixing card, isolating cylinder is removed, with two iron of the millimeter of length 300
Hook or iron nail, insert in the stalk for retaining, and corn root is further secured firmly on positioning Dropbox fixed mount.After fixation is finished
With water from top to bottom wash away positioning Dropbox fixed mount in experiment soil, after flushing can be collected into integrality it is high, growth track
Accurate corn root sample, carries out the detection of Root morphology, structure and distribution, and to root physiology index and edaphon
The work of taking a sample to research such as measure.
When experiment soil in positioning Dropbox fixed mount is rinsed, different purposes can also be carried out to each layer experiment soil and taken
Sample, the residual condition such as each layer experiment Pesticide Residue in Soil, chemical fertilizer under detection natural conditions, and experiment edaphon constitutes and divides
Cloth situation etc..
Embodiment 3:The Hierarchical Location research of plant root growth of the high yielding soybeans under 15000 plants/acre of planting densities
In order to study the root growth situation of high yielding soybeans, a circular plant for being provided with six layers of positioning Dropbox is made first
Root growth layering positioner, by 15000 plants/acre of planting density, select the isolating cylinder internal diameter of layering positioner for 260 millimeters,
Highly it is 650 millimeters, positioning Dropbox fix bar and stay hook is made from 4 700 millimeters long of stainless steel rods, positioning Dropbox is hung down
Nogata to 100 millimeters of spacing, position a diameter of 250 millimeters of Dropbox, position the mesh aperture of net from top to bottom in positioning Dropbox
Respectively 5 mesh（4.00 millimeters）1,6 mesh（3.35 millimeters）3,8 mesh（2.36 millimeters）2, the positioning of most last layer
It is provided with 3 sowing openings, triangularity between sowing opening on the net.
After layering positioner assembling is finished, a heatable adobe sleeping platform for deep 650 millimeter is dug in optional test place, by plant
Root growth layering positioner is placed in heatable adobe sleeping platform, and experiment soil is inserted inside and outside isolating cylinder, and dress soil is finished in backward isolating cylinder
Repeatedly plus heavy real about 4-5 times of soil, water, make to test the position that soil stabilization positions Dropbox in most last layer in isolating cylinder, in sowing
Soya seeds are planted in the experiment soil at 3 sowing openings during the phase, 3 beans kinds of plantation, enter in seedling stage in each sowing opening
In the ranks seedling, retains 2 plants of bean seedlings in each sowing opening.
It is to be achieved take the root phase after, strike off soybean plant strain aerial part, the cane of 100 millimeters is retained during cutting.Dig out
Plant root growth layering positioner, opens isolating cylinder fixing card, removes isolating cylinder, and the stalk of reservation is toggled with two tethers,
Root is set further to be secured firmly on positioning Dropbox fixed mount.Fixation washes away positioning Dropbox fixed mount with water from top to bottom after finishing
Interior experiment soil, after flushing can be collected into integrality it is high, growth the accurate Soybean Root sample in track, carry out Root morphology,
Structure and the observation of distribution, work of being taken a sample to research to root system Physicochemical index and rhizobium related assays etc..
Embodiment 4:The Hierarchical Location research of plant root growth of the peanut under 200000 plant/hectare planting densities
In order to study the root growth situation of peanut, by plant/hectare of planting density 200000, selection one is provided with four layers and determines
The circular plant root growth layering positioner of position Dropbox, the isolating cylinder internal diameter of layering positioner is 270 millimeters, is highly 450
Millimeter, positioning Dropbox fix bar and stay hook are made from 4 500 millimeters long of stainless steel rods, positioning Dropbox vertical direction
100 millimeters of spacing, positions a diameter of 260 millimeters of Dropbox, and the mesh aperture that net is positioned in positioning Dropbox is respectively 5 mesh from top to bottom
（4.00 millimeters）1,6 mesh（3.35 millimeters）1,8 mesh（2.36 millimeters）2, the positioning of most last layer is provided with 4 on the net
Individual sowing opening, into square between sowing opening.
After layering positioner assembling is finished, a heatable adobe sleeping platform for deep 450 millimeter is dug in optional test place, by plant
Root growth layering positioner is placed in heatable adobe sleeping platform, and experiment soil is inserted inside and outside isolating cylinder, and dress soil is finished in backward isolating cylinder
Repeatedly plus heavy real about 4-5 times of soil, water, make to test the position that soil stabilization positions Dropbox in most last layer in isolating cylinder, in sowing
In experiment soil during the phase by peanut seed kind at sowing opening, plantation 4, thinning is carried out in seedling stage in each sowing opening, is protected
Stay the seedling of respective numbers.
It is to be achieved take the root phase after, strike off peanut plant aerial part, the cane of 100 millimeters is retained during cutting.Dig out
Plant root growth layering positioner, opens isolating cylinder fixing card, removes isolating cylinder, with two tethers or cleek, toggles reservation
Stalk, make root be further secured firmly to positioning Dropbox fixed mount on.Fixation washes away positioning net with water from top to bottom after finishing
Soil in disk fixed mount, after flushing can be collected into integrality it is high, growth the accurate Roots of Peanut sample in track, carry out root system shape
The observation of state, structure and distribution etc., and to coherent sampling researchs such as root system, experiment soil physico-chemical index measure, residues of pesticides
Work.
Beneficial effects of the present invention, by taking the Hierarchical Location research of the Maize Roots of embodiment 2 as an example, the method for the present invention
Than traditional spade mining method, take that root amount is more, root integrality is high, spade excavating depth is 200 millimeters, deep layer root system is lost
Seriously, root up to more than 40% is lost, easily by other root systems interference in soil environment；And the method for the present invention, taking root depth can be
The depth of 500-1000 millimeters is adjustable, takes root and is lost in less than 5%, not by other plant root growths in ambient soil
Interference.
The method of the present invention farthest simulates Production of Large Fields environment compared with the container method such as single cylinder, case, basin
Natural conditions, the soil volume that cylinder, case, basin are filled is too little or too much, and the difference with actual field conditions is obvious, and plant strain growth is tight
Deviate from actual natural conditions again, grow number of days identical plant, root system dry matter（28-24.5 grams）Typically than natural conditions
Low 20-30%, stalk diameter（27-24 millimeters）The general reduction 10-20% than natural conditions, and wash after root can not
The specific depth that observation and determination root system grow in soil.Under the method for the present invention and crop field fertilizer and water condition same case, root
It is the basic no significant difference of growing environment, root system dry matter reduction by 0.5-3%, stalk diameter difference 1% or so, washing after root can be straight
Connect observation root growth track and various pieces growth depth and form.The root activity and biology that the method for the present invention takes root swash
Closely, difference only has 0.5-1% to root activity of element value and grown in field etc., than the root that existing other cultural methods are collected
It is vigor high 10-20%, can more objectively reflects the growing state of root system of plant in natural environment, and disclosure satisfy that each
Plant the research for taking root.
Claims (5)
1. a kind of plant root growth layering positioner, is made up of the isolating cylinder that can avoid surrounding soil ambient influnence, its feature
It is：Positioning Dropbox fixed mount is mounted in isolating cylinder, activity is equipped with least two-layer positioning Dropbox on positioning Dropbox fixed mount；
Positioning Dropbox fixed mount is made up of at least three positioning Dropbox fix bars, and being correspondingly provided with least two in positioning Dropbox fix bar determines
Position Dropbox fixing card, activity is equipped with positioning Dropbox in positioning Dropbox fixing card；Positioning Dropbox fixing card is settable 2-10 layers, fixed
100-200 millimeters of the vertical interval of position Dropbox fixing card；Positioning Dropbox is made up of positioning Dropbox frame, fixed on positioning Dropbox frame
Positioning net is connected with, the upper end of the positioning Dropbox fix bar is respectively equipped with stay hook, is lived in the lower end of positioning Dropbox fix bar
Dynamic to be connected with fixed pipe sleeve, fixed pipe sleeve is respectively fixedly connected with underframe；Be divided into by vertical direction two of the isolating cylinder
Divide make-up composition, at least one isolating cylinder fixing card is provided with the outside of the isolating cylinder after make-up；In the positioning Dropbox of the superiors
Positioning net center be provided with least one sowing opening, position the mesh of mesh aperture 8-4 of net；The milli of height 200-1000 of isolating cylinder
Rice, 15000-206000 square millimeters of the cross-sectional area of isolating cylinder.
2. plant root growth layering positioner according to claim 1, it is characterised in that：Isolating cylinder and it is matched therewith
Positioning Dropbox shape, be circular, square or rectangular.
3. a kind of plant root growth layering positioner using as any one of claim 1-2 carries out Hierarchical Location
Research method, it is characterised in that：It follow these steps to carry out：
（1）In the spacing container that can avoid surrounding soil ambient influnence, at least two-layer positioning net that setting is parallel to each other；
（2）Experiment soil needed for experiment is filled in spacing container, pours into enough to the spacing container for filling experiment soil
Water makes experiment soil heavy real, lays equal stress on and is added with soil, water-pouring process, until the experiment soil in spacing container is down to most last layer positioning
Untill the position of net no longer declines；
（3）At in sowing time, by the seed of studied plant, the experiment soil that most last layer positions online sowing opening is planted in
In；
（4）Plant growth to be studied is reached needed for experiment after standard, digs out the experiment soil of spacing container and its inside, remove every
Root system of plant is further secured to positioning on the net with hook, nail or tether after container, positioning is then washed away from top to bottom with water
The experiment soil that net week is enclosed, you can be collected into that original position is good, growth track is clear, integrality is high root system of plant sample, is carried out
Various research test jobs.
4. use plant root growth layering positioner according to claim 3 carries out the research method of Hierarchical Location, its
It is characterised by：The cross sectional shape of spacing container is circular, square or rectangular, 200-1000 millimeters of height, cross-sectional area
15000-206000 square millimeters；Positioning net sets 2-10 layers, positions 100-200 millimeters of the vertical interval of net, positioning net
The mesh of mesh aperture 8-4.
5. use plant root growth layering positioner according to claim 3 carries out the research method of Hierarchical Location, its
It is characterised by：Experiment soil is greyzem, black earth, Baijiang soil and the chernozem of black earth series.
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| CN109724825A (en) * | 2019-01-11 | 2019-05-07 | 安徽科技学院 | A kind of composable screen frame for surveying radicula for interior growth core method |
| CN110447423A (en) * | 2019-08-26 | 2019-11-15 | 河北省农林科学院旱作农业研究所 | A kind of millet or wheat root preparation of specimen device and method |
| CN111024582B (en) * | 2019-12-25 | 2022-05-27 | 北京林业大学 | Device and method for precisely measuring soil permeation effect of newly-born plant root system improvement |
| CN111149547A (en) * | 2020-01-20 | 2020-05-15 | 山东省农业科学院生物技术研究中心 | Planting device and planting method for keeping complete root systems of crops |
| CN113607470B (en) * | 2021-08-04 | 2022-04-22 | 海南大学 | Multifunctional collecting device for collecting rhizosphere and non-rhizosphere soil in situ |
| CN114088892A (en) * | 2021-11-16 | 2022-02-25 | 安徽农业大学 | Potato root system in-situ observation test device |
| CN114402846B (en) * | 2022-01-26 | 2023-03-14 | 河北省林业和草原科学研究院 | Root system observation box |
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| CN101209015B (en) * | 2006-12-29 | 2012-03-28 | 中国科学院东北地理与农业生态研究所 | Corn roots space-time structure measuring device |
| CN201967412U (en) * | 2011-01-25 | 2011-09-14 | 吉林省农业科学院 | Test cylinder for researching growth state of plant root system |
| CN102972231A (en) * | 2012-12-24 | 2013-03-20 | 山东省花生研究所 | Peanut culturing device and system as well as authenticating method for drought resistant peanut varieties |
| CN203283360U (en) * | 2013-02-04 | 2013-11-13 | 浙江拓卡斯机械科技有限公司 | Snowfield bicycle sleigh board |
| CN203181661U (en) * | 2013-05-07 | 2013-09-11 | 云南农业大学 | Mycorrhiza research simulation device for leguminous and graminaceous crop intercropping cultivation |
| CN203467298U (en) * | 2013-09-29 | 2014-03-12 | 吉林省农业科学院 | Testing device for studying plant root system growing state through simulation of soil local deep scarification |
| CN204090616U (en) * | 2014-10-09 | 2015-01-14 | 吉林省农业科学院 | Plant root growth layering positioner |
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