CN105334311B - A kind of multi-layer Soil liquid manure Transport And Transformation parameter test device and method - Google Patents
A kind of multi-layer Soil liquid manure Transport And Transformation parameter test device and method Download PDFInfo
- Publication number
- CN105334311B CN105334311B CN201510933703.4A CN201510933703A CN105334311B CN 105334311 B CN105334311 B CN 105334311B CN 201510933703 A CN201510933703 A CN 201510933703A CN 105334311 B CN105334311 B CN 105334311B
- Authority
- CN
- China
- Prior art keywords
- soil
- water
- layer
- liquid manure
- lucite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002689 soil Substances 0.000 title claims abstract description 207
- 239000007788 liquid Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 55
- 210000003608 fece Anatomy 0.000 title claims abstract description 51
- 239000010871 livestock manure Substances 0.000 title claims abstract description 51
- 230000009466 transformation Effects 0.000 title claims abstract description 25
- 238000012360 testing method Methods 0.000 title abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 144
- 229920005479 Lucite® Polymers 0.000 claims abstract description 50
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 50
- 230000008569 process Effects 0.000 claims abstract description 25
- 239000003673 groundwater Substances 0.000 claims abstract description 23
- 239000000523 sample Substances 0.000 claims abstract description 20
- 238000003556 assay Methods 0.000 claims abstract description 8
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 6
- 235000009566 rice Nutrition 0.000 claims abstract description 6
- 240000007594 Oryza sativa Species 0.000 claims abstract 2
- 238000002474 experimental method Methods 0.000 claims description 21
- 238000012544 monitoring process Methods 0.000 claims description 15
- 235000015097 nutrients Nutrition 0.000 claims description 12
- 238000004458 analytical method Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 9
- 238000011160 research Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 238000001764 infiltration Methods 0.000 claims description 8
- 230000008595 infiltration Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 230000000050 nutritive effect Effects 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 2
- 238000010998 test method Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 239000003337 fertilizer Substances 0.000 description 5
- 238000003973 irrigation Methods 0.000 description 5
- 230000002262 irrigation Effects 0.000 description 5
- 241000209094 Oryza Species 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N33/245—Earth materials for agricultural purposes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treatment Of Sludge (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of multi-layer Soil liquid manure Transport And Transformation parameter test device and method, comprise the following steps:A () makes column jacket and stratified soil earth pillar in cylindrical lucite, plum blossom-shaped hole is wherein dispersed with lucite inner prop specified altitude assignment, and soil earth pillar is wrapped up by inner prop and is divided into arable layer, the layer that plows, substratum according to rice field undisturbed soil feature;Soil water potential sensor, negative pressure water ampling device and soil moisture content measuring instrument are buried in (b) each soil layer respectively;C the side seepage water produced simultaneously in () soil moisture infitration process is discharged to the annular region between interior column jacket by plum blossom hole, being drawn into external device (ED) carries out assay.The present invention is used to probe into stratified soil liquid manure and enters to blend side and ooze and its conversion process, determine the contribution rate of vertical seepage and side seepage to draining under the various situations of stratified soil, different levels of ground water can be set, each layer soil liquid manure Transport And Transformation process and the mutual recharge connection of soil water underground water is studied.
Description
Technical field
The present invention relates to soil liquid manure migration field, specifically a kind of multi-layer Soil liquid manure Transport And Transformation parameter testing
Device and method.
Background technology
Soil water movement and solute transfer are the bases for studying field water fertilizer Transport And Transformation and utilization ratio, at present to soil
The research of earth moisture movement and solute transfer be mainly by field test study on monitoring and indoor set simulate study on monitoring come
Carry out, field water fertilizer is moved under monitor on field helps to understand actual water management measure, but the research method of monitor on field
Survey that the test period is long, experimental condition is difficult to control to and reappears, and monitor on field research has regiospecificity, and Monitoring Result is not
Preferably it is applied to other regions.
Found according to substantial amounts of field inspection and experimental study, because the special water management measure of paddy rice, paddy soil
In vertical direction generally there is the characteristics of obvious horizontal slice, this layering to cause the conversion of motion of paddy field moisture and nutrient
Have its own particularity.Soil Water and nutrient transfer are converted, and Vertical Infiltration and seepage aspect are not only occurred on, while also depositing
It is during side seepage between each soil layer and soil layer and to irrigation canals and ditches is moved.But homogeneous soil is studied existing method more, and only
Consider One-dimensional Vertical or the horizontal movement of the soil water and solute, it is difficult to accurately reflect agricultural land soil liquid manure motion conditions, experiment knot
Fruit is applied to can there is larger error in field water fertilizer motion study, it is therefore desirable to more meet the invented party of farmland actual conditions
Method.
The content of the invention
The purpose of the present invention is that a kind of multi-layer Soil liquid manure Transport And Transformation parameter testing dress is provided to solve the above problems
Put and method, can study that stratified soil moisture and nutrient be vertical and side seepage motion, and can monitor different water levels depth with
Under level of ground water combination, displacement and earth pillar are oozed with ground in motion and conversion process of the moisture between each layer soil, metering earth pillar side
Lower exchange of moisture amount, is sampled by the soil liquid, Transport And Transformation mistake of the monitoring nutrient between soil layer, between the soil water and underground water
Journey.
A kind of multi-layer Soil liquid manure Transport And Transformation parameter test device, including platform 25, on platform 25 from the inside to the outside successively
Stratified soil post 1, cylindrical lucite inner prop 2 and cylindrical lucite column jacket 3 are set, and platform 25 is arranged with water supply chamber
13, the side wall top of water supply chamber 13 is provided with a steam vent 14, and water supply chamber 13 passes through feed pipe 15 and automatically controls supply and discharge water installations
16 are connected;
Substratum 6 is sequentially consisted of in stratified soil post 1, plow layer 5 and arable layer 4, be respectively arranged with each layer
Soil water potential sensor 7, negative pressure water ampling device 8 and soil moisture content measuring instrument 9 positioned at same level, the soil water
Gesture sensor 7 is connected by cable with soil water potential collector 19, and negative pressure water ampling device 8 is true with the negative pressure taking soil water by cable
Slack tank 20 be connected, soil moisture content measuring instrument 9 by cable respectively with soil moisture collector 21, soil moisture collector 22
It is connected;
Plum blossom hole 10 is offered on cylindrical lucite inner prop 2, is produced in soil moisture infitration process for discharging
Raw lateral leakage water;Porous flange 26 is evenly arranged on platform 25, for water supply chamber 13 and the exchange of moisture of soil column 1.
All soil water potential sensors 7 in stratified soil post 1 in same perpendicular, positioned at stratified soil post
In same perpendicular, all soil moisture contents in stratified soil post 1 are measured all negative pressure water ampling devices 8 in 1
Instrument 9 is in same perpendicular.
Soil water potential collector 19, soil moisture collector 21, soil moisture collector 22 are integrated in soil data synthesis
In vasculum 18, soil data synthetical collection case 18 is also connected with terminal.
It is annular region 11, annular region between the cylindrical lucite inner prop 2 and cylindrical lucite column jacket 3
11 width is not less than 65mm, and the bottom of annular region 11 sets drainpipe 12, for deriving lateral percolating water.
The side bottom of water supply chamber 13 sets drainpipe 27, and valve 28 is set on drainpipe 27 to control current.
The height of the cylindrical lucite inner prop 2 is not less than 1184mm, and diameter is not less than 300mm;Cylinder is organic
The height of glass column jacket 3 is not less than 1100mm, and diameter is not less than 430mm;The height of arable layer 4 is 200-300mm, and plow layer 5
Height be 150-200mm, the height of substratum 6 is not less than 600mm.
The a diameter of 3mm of the plum blossom hole 10, is uniformly distributed in the following 250mm- in the top of cylindrical lucite inner prop 2
On the post jamb of 750mm height.
The top arrangement plastic filter screen of the porous flange 26;Plastics filter is provided between plum blossom hole 10 and soil column
Net, prevents soil particle from being taken out of by side seepage water.
A kind of multi-layer Soil liquid manure Transport And Transformation parameter test method, comprises the following steps:
1st, gathering each layer soil sample carries out assay, it is determined that initial items physical and chemical parameter value;
2nd, highest and minimum control groundwater level are determined:Highest control groundwater level is not higher than soil column post jamb side and oozes
Section lower end, minimum control groundwater level determines according to requirement of experiment;
3rd, configuration soil liquid manure solution simulates rice field in soil column arable layer surface fertilizing, and keeps certain water depth,
Water depth determines according to specific experiment requirement;
4th, basis is embedded in every layer of soil water-containing in the sensor dynamic monitoring liquid manure solution infiltration process of each layer of soil column
Rate, temperature and flow of water situation, and taken respectively in each layer according to the sampling frequency of requirement of experiment using negative pressure water ampling device simultaneously
Water sample, according to nutritive element content in the requirement of experiment measurement soil liquid;With reference to the soil moisture content for observing, the soil moisture with
And soil water potential is analyzed, the change of corresponding content and its distribution situation in soil in liquid manure infitration process are probed into;Enter
The process of one step research soil moisture and nutrient Transport And Transformation between the layers;
5th, during being oozed under soil liquid manure solution, can be in the plum blossom hole formation of cylindrical lucite inner prop side wall
Side is oozed, and the drainpipe according to the outer column bottom of the cylindrical lucite collects the side inside and outside lucite between post annular region
Infiltration, carries out weighing chemical examination, probes into the shared proportion during liquid manure solution seepage of continuous lateral seepage, and analyze continuous
Side ooze during liquid manure Changing Pattern and each factor Transport And Transformation;
6th, output and displacement the analysis soil liquid manure according to the day part for automatically controlling water supply and sewage device monitoring are molten
The change procedure of the groundwater level in liquid infitration process, analyzes the influence to groundwater level;Collect in the lucite
The water sample of post bottom water supply chamber, carries out assay, and constituent and content in analysis discharge water are probed into liquid manure in soil and hung down
Straight filter loss amount;By the independent monitoring process for soil lateral seepage water and vertical lower infiltration, analysis soil liquid manure seepage
Two-dimensional characteristics, probe into various control Soil Under Conditions liquid manure transportion and transformation, for improve liquid manure utilization ratio provides theory according to
According to and technical support.
The advantage of a kind of multi-layer Soil liquid manure Transport And Transformation parameter test device of the present invention and method is:
1st, currently invention addresses the moisture and nutrient transfer conversion process of stratified soil, and it is non-existing for homogeneous soil
Research method, makes the experimental condition of existing research method more conform to farmland actual conditions.Passed in each soil layer arrangement soil water potential
Sensor, negative pressure water ampling device and soil moisture content measuring instrument, while measurement temperature, is capable of achieving for stratified soil moisture and supports
The test analysis of componental movement and conversion process relevant parameter.
2nd, by laying plum blossom hole on lucite inner prop, soil column can be formed in process of the test and laterally oozed
Stream, seepage flow water is collected in annular region, then chemically examines the nutrient situation of seepage water, side when being oozed under achievable soil column moisture
To the monitoring that seepage flow and nutrient are discharged.
3rd, the test process involved by the invention is to automatically control the realization of supply and discharge water installations by connecting a level of ground water
, can be with the water quality exchanges of quantitative study soil column soil moisture and water supply chamber underground water, with reference to and then realizing using the device
Soil column draining difference whereabouts independent test, and nutrient difference loss approach test.
4th, by setting different water layer and levels of ground water, it is capable of achieving soil moisture nutrient under the different control conditions of research
Transport And Transformation, further appreciate that different situations set lower field water fertilizers motion, for monitoring, improve field water fertilizer utilization ratio and carry
For more fully theory support.
Brief description of the drawings
Fig. 1 is the overall structure diagram of apparatus of the present invention.
Fig. 2 is the partial structural diagram of apparatus of the present invention.
Fig. 3 is the floor plan of apparatus of the present invention.
Fig. 4 is the structural representation of plum blossom hole.
In figure, 1 is stratified soil post, and 2 is cylindrical lucite inner prop, and 3 is cylindrical lucite column jacket, and 4 is cultivated
Make layer, 5 is the layer that plows, and 6 is substratum, and 7 is soil water potential sensor, and 8 is negative pressure water ampling device, and 9 measure for soil moisture content
Instrument, 10 is plum blossom hole, and 11 is annular region, and 12 is drainpipe, and 13 is water supply chamber, and 14 is steam vent, and 15 is feed pipe, 16
To automatically control supply and discharge water installations, 17 is valve, and 18 is soil data synthetical collection case, and 19 is soil water potential collector, and 20 are
Negative pressure taking soil water vacuum tank, 21 is soil moisture collector, and 22 is soil moisture collector, and 23 is flange bolt, and 24 is interior
Post flange, 25 is platform, and 26 is porous flange, and 27 is drainpipe, and 28 is valve.
Specific embodiment
Embodiment one
The present invention is further described with reference to Figure of description.As Figure 1-4, a kind of multi-layer Soil liquid manure
Transport And Transformation parameter test device, including platform 25, setting gradually stratified soil post 1, cylinder on platform 25 from the inside to the outside has
Machine glass inner prop 2 and cylindrical lucite column jacket 3, platform 25 are arranged with water supply chamber 13, and the side wall top of water supply chamber 13 is set
There is a steam vent 14, water supply chamber 13 is connected by feed pipe 15 with supply and discharge water installations 16 are automatically controlled;
Substratum 6 is sequentially consisted of in stratified soil post 1, plow layer 5 and arable layer 4, be respectively arranged with each layer
Soil water potential sensor 7, negative pressure water ampling device 8 and soil moisture content measuring instrument 9 positioned at same level, the soil water
Gesture sensor 7 is connected by cable with soil water potential collector 19, and negative pressure water ampling device 8 is true with the negative pressure taking soil water by cable
Slack tank 20 be connected, soil moisture content measuring instrument 9 by cable respectively with soil moisture collector 21, soil moisture collector 22
It is connected;
Plum blossom hole 10 is offered on cylindrical lucite inner prop 2, is produced in soil moisture infitration process for discharging
Raw lateral leakage water.
All soil water potential sensors 7 in stratified soil post 1 in same perpendicular, positioned at stratified soil post
In same perpendicular, all soil moisture contents in stratified soil post 1 are measured all negative pressure water ampling devices 8 in 1
Instrument 9 is in same perpendicular.
Soil water potential collector 19, soil moisture collector 21, soil moisture collector 22 are integrated in soil data synthesis
In vasculum 18, soil data synthetical collection case 18 is also connected with terminal, and the dynamic testing process of observed parameter is simultaneously read
Take corresponding dynamic changing data.
It is annular region 11, annular region between the cylindrical lucite inner prop 2 and cylindrical lucite column jacket 3
11 bottoms set drainpipe 12, for deriving lateral percolating water.
The side bottom of water supply chamber 13 sets drainpipe 27, and valve 28 is set on drainpipe 27 to control current.
The height of the arable layer 4 is 200mm, and the height of the layer 5 that plows is 200mm, and the height of substratum 6 is 600mm.It is whole
Individual soil column height is between 950-1050 mm.The height of soil column can add according to the thickness of the substratum of specific experiment requirement
To adjust.A diameter of 300mm of the cylindrical lucite inner prop 2, is highly 1184mm;Cylindrical lucite column jacket 3
A diameter of 430mm, be highly 1100mm.
The a diameter of 3mm of the plum blossom hole 10, is uniformly distributed in the following 250mm- in the top of cylindrical lucite inner prop 2
On the post jamb of 750mm height.
Uniformly be covered with porous flange 26 on the platform of the cylindrical bottom of lucite inner prop 2, porous flange 26 it is upper
Side's arrangement plastic filter screen;Plastic filter screen is provided between plum blossom hole 10 and soil column, soil particle is prevented by side seepage water
Take out of.
Supply and discharge water installations 16 are automatically controlled for existing patent, Application No. 2005200993186, the applying date is 2005 12
The moon 12.
The inventive method, comprises the following steps:
(1)Make apparatus of the present invention:
A () makes stratified soil earth pillar 1, cylindrical lucite inner prop 2, cylindrical lucite column jacket 3, lucite
The plum blossom-shaped hole 10 shown in Fig. 4 is dispersed with inner prop specified altitude assignment, is used to discharge what is produced in soil moisture infitration process
Lateral leakage water, plastic filter screen is set between plum blossom hole and earth pillar, prevents soil particle from being taken out of by side seepage water, its thickness
Determine according to requirement of experiment, lucite inner prop is fixed on platform 25 by flange bolt 23 and inner prop flange 24, its underpart
Platform on be uniformly arranged porous flange 26, and lay plastic filter screen thereon, the thickness of plastic filter screen is true according to requirement of experiment
It is fixed;
B () soil earth pillar is wrapped up by inner prop and is divided into arable layer 4, the layer 5 that plows, substratum 6 according to rice field undisturbed soil feature,
Each thickness degree is respectively 200 mm, 200 mm, 600 mm, according to after design requirement back-filling in layers and being compacted;
Soil water potential sensor 7, negative pressure water ampling device 8 and soil moisture content measuring instrument are buried in (c) each soil layer respectively
Device 9(While measurement temperature), it is desirable on same horizontal plane, each row identical instrument is same vertical for each layer of instrument
On section.Soil layer inner sensor is respectively connecting to soil water potential and adopts using respective cable by column jacket preformed hole in lucite
Storage 19, negative pressure taking soil water vacuum tank 20, soil moisture collector 21, soil moisture collector 22, wherein, soil water potential is adopted
Storage 19, soil moisture collector 21, soil moisture collector 22 are integrated in soil data synthetical collection case 18;Dynamic acquisition
Supplemental characteristic is transmitted to main control computer, and the size of the soil data synthetical collection case 18 is 360mm × 200mm.Lucite
The interior each layer of column jacket preformed hole has three to be evenly distributed on same horizontal plane, wherein, lucite inner prop and lucite
The preformed hole of column jacket is respectively 250mm from distance of upper strata to the lower floor at the top of glass column at sustained height position,
425mm, 600mm;
D () discharges lateral seepage water to the annular region 11 between interior column jacket by plum blossom hole 10, at annular region bottom
Portion sets a drainpipe 12, is discharged to the outside by drainpipe and carries out assay after collecting;
E () lucite inner prop low mounting height is for the water supply chamber 13 of 84mm is used to water supply in earth pillar and accepts earth pillar
Draining in the vertical infitration process of moisture, and steam vent 14 is provided with above the side wall of water supply chamber 13, water supply chamber passes through feed pipe
15 connections automatically control supply and discharge water installations 16, the control water mobility status of valve 17 are set on feed pipe, and receive by drainpipe 27
Integrate draining, while setting the control draining current of valve 28.
(2)Experiment first gathers each layer soil sample and carries out assay before starting, it is determined that initial items physical and chemical parameter value.
(3)Determine highest and minimum control groundwater level.Highest control groundwater level is not higher than earth pillar post jamb side and oozes
Section lower end, minimum control groundwater level determines according to requirement of experiment.
(4)The soil liquid manure solution for configuring certain proportion concentration simulates rice field in earth pillar arable layer surface fertilizing, and keeps
Certain water depth, water depth determines according to specific experiment requirement.Different water depths represents different irrigation methods, meeting
Transport And Transformation on liquid manure in multi-layer Soil produces influence.
(5)According to it is described be embedded in the sensor dynamic monitoring liquid manure solution infiltration process of each layer of earth pillar in every layer of soil contain
Water rate, temperature and flow of water situation, and fetched water respectively in each layer according to the sampling frequency of requirement of experiment using negative pressure device simultaneously
Sample, according to nutritive element content in the requirement of experiment measurement soil liquid.With reference to the soil moisture content for observing, the soil moisture and
Soil water potential is analyzed, and probes into change and its distribution in soil of corresponding content etc. in liquid manure infitration process.Further
The process of research soil moisture and nutrient Transport And Transformation between the layers.
(6)According to it is described oozed under soil liquid manure solution during, can lucite inner prop side wall plum blossom hole
Form side and ooze situation, inside and outside the drainpipe collection lucite according to the outer column bottom of the lucite between post annular region
Lateral seepage, carries out weighing chemical examination, probes into the shared proportion during liquid manure solution seepage of continuous lateral seepage, and the company of analysis
Continuous side ooze during liquid manure Changing Pattern and each factor Transport And Transformation.
(7)Output and displacement the analysis soil liquid manure of the day part monitored according to the automatic control drainage device
The change procedure of the groundwater level in solution infitration process, analyzes the influence to groundwater level.Collect the lucite
The water sample of inner prop bottom water supply chamber, carries out assay, and constituent and content in analysis discharge water probe into liquid manure in soil
Vertical filter loss amount.By the independent monitoring process for soil lateral seepage water and vertical lower infiltration, soil liquid manure seepage is analyzed
Two-dimensional characteristics, probe into various control Soil Under Conditions liquid manure transportion and transformation, for improve liquid manure utilization ratio theory is provided
Foundation and technical support.
Embodiment two
Apparatus and method step based on embodiment one, is capable of achieving the implementation of following experiment:
Such as Fig. 1-4, column jacket, soil earth pillar set 4 and are connected to same automatically controlling simultaneously in the lucite
Supply and discharge water installations, its soil layer situation, embedded instrument situation, collection collection situation all same.The actual field face crop-planting feelings of simulation
Condition is respectively in 4 arable layer long-term croppings of device.It is F1 and F2 to set two kinds of irrigation methods, sets two kinds of groundwater level controls
Make horizontal Z1 and Z2.Experiment sets 4 treatment levels altogether:F1Z1, F1Z2, F2Z1, F2Z2, determine to irrigate according to Crop growing stage
System.Each layer pedotheque is gathered before crop-planting, its corresponding physical and chemical parameter is determined.
The earth pillar water depth not should be greater than crop maximum flooding depth.
The groundwater level of described device determines according to respective requirement of experiment.Wherein, highest controlling water level should not be greater than
Crop drainage water level, can determine according to farmland prevention against water-logging standard;Minimum controlling water level is determined according to requirement of experiment.
Identical Fertilization Level is set.Soil water sample periodically is obtained by each layer negative pressure sampling apparatus, chemical examination point is carried out
Analysis;The soil moisture sensor for being embedded in each layer of soil and soil water potential sensor real-time monitoring soil moisture, temperature and
The change procedure of the flow of water.Gather crop sample respectively in the different growing of crop, determine its crop endotrophic element
Content.
Collect the side seepage water of post annular region inside and outside the lucite and carry out weighing chemical examination.Read described automatic
The control corresponding output of supply and discharge water installations and displacement data.
According to experimental data, crop-soil is studied in the effect of analysis irrigation method and level of ground water control to liquid manure motion
The Transport And Transformation of water-underground water liquid manure, is target to improve crop to liquid manure absorption efficiency and reduction liquid manure filter loss, it is determined that
Rational irrigation method and Groundwater Control horizontal combination.
Claims (9)
1. a kind of multi-layer Soil liquid manure Transport And Transformation parameter test method, it is characterised in that comprise the following steps:
(1) gathering each layer soil sample carries out assay, it is determined that initial items physical and chemical parameter value;
(2) highest and minimum control groundwater level are determined:Highest control groundwater level is not higher than soil column post jamb side and oozes section
Lower end, minimum control groundwater level determines according to requirement of experiment;
(3) configuration soil liquid manure solution simulates rice field in soil column arable layer surface fertilizing, and keeps certain water depth, water layer
Depth determines according to specific experiment requirement;
(4) according to be embedded in the sensor dynamic monitoring liquid manure solution infiltration process of each layer of soil column every layer of soil moisture content,
Temperature and flow of water situation, and fetched water respectively in each layer according to the sampling frequency of requirement of experiment using negative pressure water ampling device simultaneously
Sample, according to nutritive element content in the requirement of experiment measurement soil liquid;With reference to the soil moisture content for observing, the soil moisture and
Soil water potential is analyzed, and probes into the change of corresponding content and its distribution situation in soil in liquid manure infitration process;Enter one
The process of step research soil moisture and nutrient Transport And Transformation between the layers;
(5) during being oozed under soil liquid manure solution, can be in the plum blossom hole formation side of cylindrical lucite inner prop side wall
Ooze, the drainpipe according to the outer column bottom of cylindrical lucite collects the lateral seepage inside and outside lucite between post annular region,
Weighing chemical examination is carried out, the shared proportion during liquid manure solution seepage of continuous lateral seepage is probed into, and is analyzed continuous side and ooze
During liquid manure Changing Pattern and each factor Transport And Transformation;
(6) under output and displacement the analysis soil liquid manure solution according to the day part for automatically controlling water supply and sewage device monitoring
The change procedure of the groundwater level during oozing, analyzes the influence to groundwater level;Lucite inner prop bottom is collected to supply
The water sample of hydroecium, carries out assay, and constituent and content in analysis discharge water are probed into the vertical seepage of liquid manure in soil and damaged
Vector;By the independent monitoring process for soil lateral seepage water and vertical lower infiltration, the two-dimensional characteristics of soil liquid manure seepage are analyzed,
Probe into various control Soil Under Conditions liquid manure transportion and transformation.
2. the method for claim 1, it is characterised in that:The device that the method is used includes platform (25), platform (25)
On set gradually stratified soil post (1), cylindrical lucite inner prop (2) and cylinder lucite column jacket (3) from the inside to the outside,
Platform (25) is arranged with water supply chamber (13), and wall top in water supply chamber (13) side is provided with a steam vent (14), and water supply chamber (13) leads to
Cross feed pipe (15) and be connected with supply and discharge water installations (16) are automatically controlled;
Sequentially consisted of in stratified soil post (1) and set respectively in substratum (6), the layer that plows (5) and arable layer (4), each layer
Soil water potential sensor (7) positioned at same level, negative pressure water ampling device (8) and soil moisture content measuring instrument (9) are equipped with,
The soil water potential sensor (7) is connected by cable with soil water potential collector (19), and negative pressure water ampling device (8) is by cable
It is connected with negative pressure taking soil water vacuum tank (20), soil moisture content measuring instrument (9) is gathered with the soil moisture respectively by cable
Device (21), soil moisture collector (22) are connected;
Plum blossom hole (10) is offered on cylindrical lucite inner prop (2), is produced in soil moisture infitration process for discharging
Raw lateral leakage water;Porous flange (26) is evenly arranged on platform (25), for water supply chamber (13) and the moisture of soil column (1)
Exchange.
3. method as claimed in claim 2, it is characterised in that:All soil water potentials sensing in stratified soil post (1)
In same perpendicular, all negative pressure water ampling devices (8) in stratified soil post (1) are in same perpendicular for device (7)
Interior, all soil moisture content measuring instruments (9) in stratified soil post (1) are in same perpendicular.
4. method as claimed in claim 2, it is characterised in that:Soil water potential collector (19), soil moisture collector (21),
Soil moisture collector (22) is integrated in soil data synthetical collection case (18), soil data synthetical collection case (18) also with meter
Calculation machine terminal is connected.
5. method as claimed in claim 2, it is characterised in that:The cylindrical lucite inner prop (2) and cylinder are organic
It is annular region (11) between glass column jacket (3), the width of annular region (11) is not less than 65mm, and annular region (11) bottom sets
Drainpipe (12) is put, for deriving lateral percolating water.
6. method as claimed in claim 2, it is characterised in that:Water supply chamber (13) side bottom sets drainpipe (27), draining
Valve (28) is set on pipe (27) to control current.
7. method as claimed in claim 2, it is characterised in that:The height of the cylindrical lucite inner prop (2) is not less than
1184mm, diameter is not less than 300mm;The height of cylindrical lucite column jacket (3) is not less than 1100mm, and diameter is not less than
430mm;The height of arable layer (4) is 200-300mm, and the height of the layer that plows (5) is 150-200mm, and the height of substratum (6) is not
Less than 600mm.
8. method as claimed in claim 2, it is characterised in that:The a diameter of 3mm of the plum blossom hole (10), is uniformly distributed in circle
On the post jamb of the following 250mm-750mm height in cylindricality lucite inner prop (2) top.
9. method as claimed in claim 2, it is characterised in that:The top arrangement plastic filter screen of the porous flange (26);Plum
Flower hole (10) is provided with plastic filter screen and soil column between, prevents soil particle from being taken out of by side seepage water.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510933703.4A CN105334311B (en) | 2015-12-15 | 2015-12-15 | A kind of multi-layer Soil liquid manure Transport And Transformation parameter test device and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510933703.4A CN105334311B (en) | 2015-12-15 | 2015-12-15 | A kind of multi-layer Soil liquid manure Transport And Transformation parameter test device and method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105334311A CN105334311A (en) | 2016-02-17 |
CN105334311B true CN105334311B (en) | 2017-06-09 |
Family
ID=55284963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510933703.4A Expired - Fee Related CN105334311B (en) | 2015-12-15 | 2015-12-15 | A kind of multi-layer Soil liquid manure Transport And Transformation parameter test device and method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105334311B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108414715A (en) * | 2018-04-08 | 2018-08-17 | 中国地质调查局西安地质调查中心 | A kind of field original position river is to underground water pollution monitoring method |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106950349A (en) * | 2017-03-27 | 2017-07-14 | 河海大学 | Soils and sediments original position hierarchical elements determination experiment device |
CN106990221A (en) * | 2017-04-07 | 2017-07-28 | 天津泰达绿化集团有限公司 | It is a kind of to be used for the earth pillar device of soil water and salt transport rule under Study of The Underground water influence condition |
CN109100481A (en) * | 2017-06-21 | 2018-12-28 | 武汉轻工大学 | Characteristics of fracture development integrated experiment device under a kind of closed soil body drying and watering cycle |
CN109425722A (en) * | 2017-08-29 | 2019-03-05 | 中国科学院地理科学与资源研究所 | A kind of runoff of sloping field and corrode sink experimental provision |
CN107607693B (en) * | 2017-11-08 | 2023-09-15 | 徐州中矿大贝克福尔科技股份有限公司 | Device and method for rapidly testing long-term stability of underground solidified body of polluted soil |
CN108169077A (en) * | 2017-11-22 | 2018-06-15 | 中石化石油工程技术服务有限公司 | The experimental provision that simulating pollution object migrates in soil-underground water |
CN108801839A (en) * | 2018-06-05 | 2018-11-13 | 武汉大学 | Large-scale lysimeter intelligent monitor system |
CN108627188B (en) * | 2018-06-19 | 2020-08-21 | 河海大学 | Pre-buried formula paddy field liquid manure monitored control system |
CN109669025B (en) * | 2019-01-29 | 2024-01-12 | 南昌工程学院 | Simulation experiment device and method for improving red soil by using biomass charcoal |
CN109813870B (en) * | 2019-03-13 | 2020-07-24 | 淮阴师范学院 | Method for measuring longitudinal migration and ammoniation dynamics of urea in soil |
CN110146395A (en) * | 2019-05-14 | 2019-08-20 | 浙江大学 | A kind of laboratory testing rig measuring multilayer soil sample seepage inflow erosion characteristic under pressure in situ |
CN110320248B (en) * | 2019-07-11 | 2020-07-14 | 中国农业大学 | Soil water potential distribution detection device and detection method |
CN111351786A (en) * | 2020-03-30 | 2020-06-30 | 云南省农业科学院热带亚热带经济作物研究所 | Method for detecting soil moisture or fertilizer flow speed |
CN111707556A (en) * | 2020-06-24 | 2020-09-25 | 信息产业部电子综合勘察研究院 | Indoor simulation test method for seepage and settlement deformation of filled foundation |
CN112051383B (en) * | 2020-08-27 | 2022-09-06 | 上海交通大学 | Simulation experiment device for migration and transformation of pollutants in underground water level fluctuation zone |
CN112444541B (en) * | 2020-10-13 | 2021-09-07 | 浙江省农业科学院 | Indoor simulation experiment method combining dynamic in-situ soil detection |
CN112577877A (en) * | 2020-12-02 | 2021-03-30 | 武汉大学 | Water and fertilizer integrated drip irrigation control migration testing device and method for black soil and multiple soil layers in cold region |
CN113310923A (en) * | 2021-05-11 | 2021-08-27 | 长江水利委员会长江科学院 | Method for improving micro-area soil nitrogen migration and conversion rate |
CN113673160B (en) * | 2021-08-23 | 2023-09-12 | 中国水利水电科学研究院 | Porous material optimized burying method for efficient utilization of crop moisture |
CN113804858B (en) * | 2021-08-27 | 2023-06-16 | 江西省水利科学院 | Multi-dimensional automatic monitoring system for multiple indexes of sloping field soil |
CN114518251B (en) * | 2022-04-21 | 2022-07-01 | 河北舜宏建筑装饰工程有限公司 | Highway engineering detects with sample device that fetches earth |
CN114902947B (en) * | 2022-07-18 | 2022-10-28 | 黑龙江大学 | Cabbage sugar degree on-line monitoring device and drip irrigation regulation and control system realized by adopting same |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0593799A (en) * | 1991-07-15 | 1993-04-16 | Ishikawajima Harima Heavy Ind Co Ltd | Nuclear species migration testing device of earth |
CN2870445Y (en) * | 2005-12-12 | 2007-02-21 | 武汉大学 | Underground automatic water drainer with water-supply function for steam infiltration measuring pit |
CN100405048C (en) * | 2005-12-20 | 2008-07-23 | 中国科学院水利部水土保持研究所 | Automatic determination device of soil moisture solute moving parameter |
CN201867407U (en) * | 2010-11-05 | 2011-06-15 | 中国科学院新疆生态与地理研究所 | Soil solute migration simulation device for laboratory |
CN102608291A (en) * | 2012-03-08 | 2012-07-25 | 中国农业大学 | Simulated large-field soil and solute transporting system |
CN102636630A (en) * | 2012-03-29 | 2012-08-15 | 中国地质大学(武汉) | Large unsaturated seepage physical simulator for soil in aerated zone |
CN202770829U (en) * | 2012-09-27 | 2013-03-06 | 黑龙江省水利科学研究院 | Soil water leakage and groundwater recharge viewer |
CN202994785U (en) * | 2012-12-24 | 2013-06-12 | 中国农业科学院农业环境与可持续发展研究所 | Experimental device for researching migration and transformation of water and fertilizer in soil under condition of drip fertilization |
CN103076251B (en) * | 2012-12-28 | 2014-12-17 | 北京林业大学 | Device for measuring vertical infiltration quantity and horizontal migration quantity of water in litter layer |
CN203587588U (en) * | 2013-12-02 | 2014-05-07 | 四川农业大学 | Improved water-salt monitoring device for greenhouse soil |
CN203772698U (en) * | 2014-04-10 | 2014-08-13 | 宁夏大学 | Perpendicular saturated and unsaturated earth pillar infiltration testing device |
CN205229150U (en) * | 2015-12-15 | 2016-05-11 | 武汉大学 | Multilayer soil liquid manure migration conversion parameter testing device |
-
2015
- 2015-12-15 CN CN201510933703.4A patent/CN105334311B/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108414715A (en) * | 2018-04-08 | 2018-08-17 | 中国地质调查局西安地质调查中心 | A kind of field original position river is to underground water pollution monitoring method |
Also Published As
Publication number | Publication date |
---|---|
CN105334311A (en) | 2016-02-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105334311B (en) | A kind of multi-layer Soil liquid manure Transport And Transformation parameter test device and method | |
Tan et al. | Effects of alternate wetting and drying irrigation on percolation and nitrogen leaching in paddy fields | |
CN104239729B (en) | A kind of agricultural non -point pollution measuring method and device based on water circulation | |
CN205229150U (en) | Multilayer soil liquid manure migration conversion parameter testing device | |
CN102539642A (en) | Simulation testing system of water circulation process under human activity disturbance conditions | |
CN102608291A (en) | Simulated large-field soil and solute transporting system | |
CN110346533B (en) | Method for guiding arrangement and combination of underground pipes of saline-alkali soil | |
CN105242025A (en) | Test device for vadose zone water flow movement under different buried depths | |
CN105786032A (en) | Experimental area underground water level accurate control system and method | |
CN202939066U (en) | Observing-collecting system for leaching and transporting of elements such as nitrogen and phosphor based on slope hydrologic cycle | |
Shan et al. | Monitoring tomato root zone water content variation and partitioning evapotranspiration with a novel horizontally-oriented mobile dielectric sensor | |
CN109349073A (en) | A kind of plant alternate irrigation simulation test device and method | |
CN105594474B (en) | A kind of Dry crop wet injury identification apparatus and its authentication method | |
Klocke et al. | Design, installation, and performance of percolation lysimeters for water quality sampling | |
Qiao et al. | Estimating plant root water uptake using a neural network approach | |
CN108051564B (en) | Method and device for short-term determination of potassium leaching amount of soil | |
CN203551425U (en) | Simple and easy root division water discharging type pervaporation device | |
CN108243921A (en) | A kind of method for instructing cotton irrigation volume early warning | |
CN202075153U (en) | Collecting device for underground water sample with fixed depth | |
Teixeira et al. | Soil water. | |
CN106770505A (en) | A kind of soil in-situ quick-analysis method based on dielectric spectra | |
CN111406606A (en) | Intelligent water-saving irrigation system and irrigation method considering rice crop growth period | |
CN103235113B (en) | Monitoring device for hydraulic lift of plant root | |
CN105928984A (en) | Non-contact moisture-salinity sensor based on soil texture and testing method thereof | |
CN203148942U (en) | Plant root system moisture increasing monitoring device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170609 Termination date: 20181215 |
|
CF01 | Termination of patent right due to non-payment of annual fee |