CN209299897U - A kind of plant alternate irrigation simulation test device - Google Patents
A kind of plant alternate irrigation simulation test device Download PDFInfo
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- CN209299897U CN209299897U CN201822118344.9U CN201822118344U CN209299897U CN 209299897 U CN209299897 U CN 209299897U CN 201822118344 U CN201822118344 U CN 201822118344U CN 209299897 U CN209299897 U CN 209299897U
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- alternate irrigation
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- moisture
- simulation test
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Abstract
The utility model relates to a kind of plant alternate irrigation simulation test devices, including staving and moisture observing unit；Staving upper opening, bottom closing, intermediate vertical setting partition will be divided into 2 spaces in bucket；Partition top edge middle position is equipped with notch and is used as test plant plant and divides location of root；Bottom side offers water supply hole to bucket, the other side offers spillway hole；Moisture observing unit includes several soil moisture sensors, data collector.Precipitation is distinguished to left and right sides soil in bucket by precipitation spray head and realizes horizontal alternate irrigation, is supplied water by bucket bottom water supply hole or by precipitation spray head simultaneously to left and right sides soil precipitation in bucket, realizes that upper and lower layer soil intracorporal to bucket distinguishes Dry-wet alternate irrigation.The device of the utility model can carry out simultaneously root system of plant horizontally and vertically on alternate irrigation experiment.
Description
Technical field
The utility model relates to simultaneously carry out root system of plant horizontally and vertically on alternate irrigation, specifically
It is a kind of plant alternate irrigation simulation test device.
Background technique
Alternate irrigation regulates and controls plant physiology characteristic by changing phytoremediation mode, to reduce luxurious water consumption, improve moisture
Utilization efficiency.By the soil moisture of regulation plant different root-zones, so that crop is generated endogenous hormones and feed back, optimization stomatal aperture,
It realizes that physiology is water-saving, opens new approach for agricultural water conservation.Alternate irrigation technology is considered as water-saving irrigation field in recent years
One of important breakthrough.The technology can excavate the water saving potential of crop itself to a certain extent, and in part crop
Good result is produced in.
Alternate irrigation technology mainly from horizontal direction with regulate and control soil moisture in vertical direction；From horizontal direction by root of the crop
System is divided into two parts, supplies water in different time rotation to two parts, forms the moisture alternation of wetting and drying of different soils horizontal space；
Another way of supplying water is that crop root is divided into different piece in vertical direction, supplies water in different time, forms different soil
The moisture alternation of wetting and drying of earth vertical space.
Alternate irrigation can significantly improve the water use efficiency of crop in output increased or remain unchanged under the premise of.Using
Alternate irrigation technology can be compared with conventional furrow irrigation water-saving 30% in the identical situation of target output.Alternate irrigation can promote root of the crop
System's growth improves root/shoot ratio, increases root density, promotes the growth and development of root hair.Alternate irrigation can be such that crop changes in photosynthetic rate
Transpiration rate is significantly reduced in the case where very little；Alternate irrigation can by excavate crop biochemical regulative mechanism improve drought resistance and
Water use efficiency；Alternate irrigation may advantageously facilitate absorption of the crop to soil nutrient, improve crop yield and water utilization effect
Rate；Alternate irrigation can reduce soil water evaporation and leakage.
In order to which more different plants are to the response difference of alternate irrigation technology, need to establish the test of manual simulation's alternate irrigation
Device, previous correlative study method and apparatus both at home and abroad are usually only able to achieve a kind of test simulation of dimension, i.e., horizontal alternately to fill
It irrigates or vertical alternate irrigation is simulated, have no the space multistory type alternate irrigation that can carry out horizontal and vertical two dimensions simultaneously
Experiment simulator, this item utility model will make up technique deficiency.
Utility model content
For above-mentioned deficiency in the prior art, the purpose of the utility model is to provide a kind of devices, can carry out plant simultaneously
Object root system horizontally and vertically on alternate irrigation experiment.
The utility model technical solution used for the above purpose is:
A kind of plant alternate irrigation simulation test device, including staving and moisture observing unit；
The staving is upper opening, the closed container in bottom, is from top to bottom vertically arranged partition for container among container
Inside it is divided into 2 spaces；The partition top edge is flushed with upper container edge, there are gaps to be used for for lower edge and container bottom
Moisture circulation in two spaces；Partition top edge middle position is equipped with notch and is used as the position that test plant is transplanted and divides root
It sets；The container bottom side offers water supply hole, the other side offers spillway hole；
The moisture observing unit is two groups, respectively the soil moisture signal in collection container in two spaces；It is described every
Group moisture observing unit includes several soil moisture sensors, 1 data collector, and the soil moisture sensor is embedded in
In soil in container, the data collector is arranged outside staving, and is electrically connected with soil moisture sensor.
The staving is cylindrical body or square.
The staving material is metal.
The level height of the spillway hole is higher than the level height of water supply hole.
The external water supply line of water supply hole connection, spillway hole connect outside overflow pipe.
Water supply valve, spilling water valve are respectively equipped on the water supply line, overflow pipe.
The soil moisture sensor vertical direction is buried in the soil at equal intervals.
Described device further includes the spray head for simulated precipitation, and spray head connects water supply line and valve is arranged thereon.
The utility model has the advantages that and advantage:
The device of the utility model can carry out simultaneously root system of plant horizontally and vertically on alternate irrigation experiment,
It can be used for the horizontal alternate irrigation of level monitoring space soil, and realize and Dry-wet alternate irrigation is distinguished to upper and lower layer soil.
Detailed description of the invention
Fig. 1 is the schematic device of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Utility model device be a cylindrical metal staving 1, material be 4mm thickness iron plate, 1.5 meters of 1 diameter of staving,
Highly 1.5 meters, sealed bottom；(diametrical position) is vertically arranged (the 2mm thickness of partition 102 from top to bottom among container 101
Iron plate) space in bucket is divided into the space of 2 same sizes, maintain an equal level on 102 top of partition and 101 upper surface of container, and
A wide 10cm is arranged in 102 central location of partition, and location of root is transplanted as test plant and divided to the notch 103 of deep 5cm；Every
102 lower part of plate is not connected to device bottom plate, retains the gap space of 2cm, so as to the exchange of lower layer's moisture.Lower layer is arranged in bottom of device
Water supply hole 104 is located at the above 1cm of device bottom plate, aperture 4cm, and connects water supply line on the outside of device；In the water supply hole of device
Spillway hole 105 is arranged in 104 pairs of side positions, and position is located at the upward 6cm of device bottom plate, and the diameter 2cm of spillway hole 105 is usually closed
It closes, needs to reduce open spilling water when height of water level in container, as shown in Figure 1.
The simulated experiment of the utility model is as follows:
Soil needed for dosing test during test inside device, filling height reach apart from 101 upper limb 2cm of container,
And it is heavy real to carry out nature to filling soil.
Soil moisture probe is buried: in the space of the left and right of experimental rig 2, since depth 10cm, according to soil
1 soil moisture sensor 201 (TDR moisture probe) is buried at the every interval increase 10cm of depth, until the bottom of test chamber 101
Portion, and data line is connected to the data collector 202 (DL1000) on the outside of device.Inside experimental rig
Soil moisture content transformation condition values.
Test plant transplants process: selecting the test plant for having certain root length, plant root is artificially divided into a left side
Right 2 parts, as far as possible holding left and right two parts root system ratio are identical；Test plant is planted in experimental rig intermediate bulkhead top
Notch 103 position, and root system is buried respectively in the soil of left and right two spaces in the device, passes through to cultivate and guarantee examination
It tests plant to survive, and maintains the growth (5-10 months) of certain time, carry out conventional water according to plant characteristics in cultivating process
Fertilizer management guarantees that root system of plant is sufficiently distributed in each space of experimental rig.
Root system of plant horizontal direction irrigates process: when carrying out alternate irrigation test at left and right sides of plant, moisture is from device
Upper surface soil is directly irrigated, and according to alternate irrigation test needs that duty is arranged, moisture is directly applied specified side
Region, realize root system of plant at left and right sides of alternate irrigation test；And it is popped one's head in by soil moisture observation and obtains soil moisture
Real time data, monitoring alternate irrigation test process.
Root system of plant vertical direction irrigates process: in carrying out the test of root system of plant vertical space alternate irrigation, device is supplied
Water supplies water only by lower layer's water supply hole, according to soil property obtain moisture hollow billet lifting height (can with documents and materials or
Soil moisture hollow billet lifting height is obtained by pre-stage test), and with the maintenance of this hollow billet lifting height determining device bottom water level
It highly, is the abundant irrigated area of lower layer's moisture within the scope of capillary ascent, the above are upper layer Osmotic treatment regions for this layer, lead to
Lower layer's way of supplying water is crossed, the wet experimental condition of lower soil is obtained.In order to realize that upper layer of soil is wet, lower soil arid
Experimental condition obtains not first by the irrigation method (irrigating simultaneously at left and right sides of partition) from device upper layer of soil surface
With the lower infiltration depth (obtaining moisture data in earth using moisture probe inbuilt in soil) of duty, thereby determine that in test
It is required that duty, this lower above soil space of depth that seeps is wet treatment region, and the following are Osmotic treatment areas.It is formal in test
In implementation process, by the adjusting of duty, realize that upper layer of soil is wet, the control requirement of lower soil arid；This test
Device applies above-mentioned test method, realizes the During Flooding And Draining Alternating Process between the soil upper and lower level of test requirements document.
Claims (8)
1. a kind of plant alternate irrigation simulation test device, which is characterized in that including staving (1) and moisture observing unit (2)；
The staving (1) is upper opening, the closed container in bottom (101), be from top to bottom vertically arranged among container (101) every
Plate (102) will be divided into 2 spaces in container (101)；Partition (102) top edge flushes with container (101) top edge,
There are gaps for the moisture circulation in two spaces for lower edge and container (101) bottom；Among partition (102) top edge
Position is equipped with notch (103) and is used as test plant plant and divides location of root；Container (101) bottom side offers water supply
Hole (104), the other side offer spillway hole (105)；
The moisture observing unit (2) is two groups, respectively the soil moisture signal in collection container (101) interior two spaces；Institute
Stating every group of moisture observing unit (2) includes several soil moisture sensors (201), 1 data collector (202), the soil
Earth moisture transducer (201) is embedded in the soil in container (101), the data collector (202) setting staving (1) outside
Portion, and be electrically connected with soil moisture sensor (201).
2. a kind of plant alternate irrigation simulation test device described in accordance with the claim 1, which is characterized in that the staving (1)
For cylindrical body or square.
3. a kind of plant alternate irrigation simulation test device described in accordance with the claim 1, which is characterized in that the staving (1)
Material is metal.
4. a kind of plant alternate irrigation simulation test device described in accordance with the claim 1, which is characterized in that the spillway hole
(105) level height is higher than the level height of water supply hole.
5. a kind of plant alternate irrigation simulation test device described in accordance with the claim 1, which is characterized in that the water supply hole
(104) the external water supply line of connection, spillway hole (105) connect outside overflow pipe.
6. a kind of plant alternate irrigation simulation test device according to claim 5, which is characterized in that the water supplying pipe
Water supply valve, spilling water valve are respectively equipped on road, overflow pipe.
7. a kind of plant alternate irrigation simulation test device described in accordance with the claim 1, which is characterized in that the soil moisture
Sensor (201) vertical direction is buried in the soil at equal intervals.
8. according to a kind of plant alternate irrigation simulation test device described in claim 1-7 any one, which is characterized in that institute
Stating device further includes the spray head (106) for simulated precipitation, and spray head (106) connects water supply line and valve is arranged thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822118344.9U CN209299897U (en) | 2018-12-18 | 2018-12-18 | A kind of plant alternate irrigation simulation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822118344.9U CN209299897U (en) | 2018-12-18 | 2018-12-18 | A kind of plant alternate irrigation simulation test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209299897U true CN209299897U (en) | 2019-08-27 |
Family
ID=67677344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822118344.9U Expired - Fee Related CN209299897U (en) | 2018-12-18 | 2018-12-18 | A kind of plant alternate irrigation simulation test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209299897U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109349073A (en) * | 2018-12-18 | 2019-02-19 | 中国科学院沈阳应用生态研究所 | A kind of plant alternate irrigation simulation test device and method |
| WO2023226800A1 (en) * | 2022-05-25 | 2023-11-30 | 广州大学 | Crop and soil monitoring and root system data collection system for layered irrigation |
-
2018
- 2018-12-18 CN CN201822118344.9U patent/CN209299897U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109349073A (en) * | 2018-12-18 | 2019-02-19 | 中国科学院沈阳应用生态研究所 | A kind of plant alternate irrigation simulation test device and method |
| WO2023226800A1 (en) * | 2022-05-25 | 2023-11-30 | 广州大学 | Crop and soil monitoring and root system data collection system for layered irrigation |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 Termination date: 20201218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |