WO2001091540A1 - Appareil permettant d'evaluer l'etat de croissance d'une plante cultivee en nutriculture - Google Patents

Appareil permettant d'evaluer l'etat de croissance d'une plante cultivee en nutriculture Download PDF

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Publication number
WO2001091540A1
WO2001091540A1 PCT/JP2000/003563 JP0003563W WO0191540A1 WO 2001091540 A1 WO2001091540 A1 WO 2001091540A1 JP 0003563 W JP0003563 W JP 0003563W WO 0191540 A1 WO0191540 A1 WO 0191540A1
Authority
WO
WIPO (PCT)
Prior art keywords
plant
solution
standard model
detector
diagnostic device
Prior art date
Application number
PCT/JP2000/003563
Other languages
English (en)
Japanese (ja)
Inventor
Ryuji Tokugawa
Sachiko Ichikawa
Hiroki Yamazaki
Original Assignee
Techno Medica Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Techno Medica Co., Ltd. filed Critical Techno Medica Co., Ltd.
Priority to PCT/JP2000/003563 priority Critical patent/WO2001091540A1/fr
Priority to JP2001587563A priority patent/JP4677164B2/ja
Publication of WO2001091540A1 publication Critical patent/WO2001091540A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00—Soilless cultivation, e.g. hydroponics
    • 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
    • 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
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material

Definitions

  • the present invention relates to a diagnostic device that can be used for diagnosing a growing state of a plant by measuring components of a nutrient solution, raw water, a soil extract, or a plant sap in hydroponics or nutrient solution soil cultivation. It is.
  • hydroponic cultivation in which the plant is cultivated in a nutrient solution in which nutrients are dissolved without using any soil, and an irrigation tube at the base of the plant planted in the soil.
  • a nutrient solution cultivation that is installed and supplies nutrient solution to the soil from the irrigation tube.
  • the nutrient solution contains nitrogen, phosphate, potassium, calcium, magnesium, and other components that are said to be the five major components of fertilizer necessary for plant growth.
  • the required content of these components is It depends on the individual plant, and also on the growing season (eg, seedling raising, planting, harvesting, late). Therefore, in both methods, nutrient solution management according to the growth condition of the plant is important.
  • the nutrient solution, raw water, and / or plant sap are used in the case of nutrient solution cultivation. It is desirable to periodically analyze the component contents of raw water, nutrient solution, soil extract, Z or plant sap, and to adjust / adjust the nutrient solution component concentration based on the analysis results.
  • the test solution to be analyzed in the case of hydroponics, nutrient solution, raw water and / or plant sap, in the case of nutrient solution cultivation, the nutrient solution, raw water, soil extract and / or Or plant sap), and react the test solution with a dedicated reagent or test paper prepared for each required analysis item, and calculate the content of each component based on the reaction result.
  • the component content is compared with the standard model.
  • hydroponic culture there are many types of test solutions to be analyzed and many types of components to be analyzed for each test solution.
  • test solution examples include raw water, nutrient solution, and plant sap in hydroponics, and raw water, nutrient solution, soil extract, and plant sap in soil hydroponics.
  • Components to be analyzed for each sample solution include nitric acid nitrogen, ammonia nitrogen, phosphoric acid, potassium, calcium, magnesium, pH, electric conductivity, and the like. For this reason, performing the reaction test using the reagents and test paper for each test solution as described above and comparing the content of each component with the standard model is extremely complicated and involves many items. For this reason, there is a problem that a recording error occurs.
  • the present invention solves the above-mentioned conventional problems, and measures the components of a nutrient solution, raw water, a soil extract, and a test solution such as Z or plant sap in cultivation using a nutrient solution.
  • a device for diagnosing the condition of plant growth in hydroponics that can easily and accurately diagnose the condition of plant growth and that can be used for hydroponics as well as nutrient solution soil cultivation It is intended to be.
  • a reagent solution flow path into which a solution for nutriculture can be introduced, and a plurality of detections relating to a plurality of components to be analyzed in the reagent solution flow path.
  • a disposable detector provided with a unit, and configured to be connectable to the disposable detector, calculating an analysis value of a component to be detected based on a detection value obtained from each detection unit, and calculating the calculated analysis value.
  • a test solution diagnostic device configured to compare with a predetermined standard model and to display and / or print a comparison result as a diagnostic result. Is provided.
  • the reagent diagnostic device may preferably include a storage unit in which a standard model corresponding to the type of the plant is stored in advance. In this way, a standard model corresponding to the type of plant By memorizing it, it will be possible to make a detailed diagnosis according to the type of plant.
  • the storage unit may store a standard model corresponding to a growing state of a plant for each type of plant. As a result, more detailed diagnosis can be performed.
  • the storage unit stores the standard model for each type of test solution, that is, for each of raw water, nutrient solution, soil extract, or plant sap.
  • the reagent diagnostic device may be configured to determine a measure or a policy based on the comparison result, and to display and / or print the measure or the policy.
  • the countermeasure or policy includes, for example, an instruction display for instructing to replenish the component corresponding to the analysis value when the analysis value is lower than the standard model.
  • FIG. 1 is a schematic development view of a disposable detector used in a plant growing condition diagnostic device in hydroponics according to the present invention.
  • FIG. 2 is a schematic top view of a reagent solution flow channel in the detector shown in FIG.
  • FIG. 3 is a schematic enlarged view of the sensor device.
  • FIG. 4 is a schematic perspective view of the detector shown in FIG.
  • FIG. 5 is a schematic perspective view of a test solution diagnostic device included in the device for diagnosing the condition of growing plants in hydroponics according to the present invention.
  • FIG. 6 is a schematic block diagram of the reagent diagnostic device shown in FIG.
  • FIG. 1 is a schematic development view of one embodiment of a disposable detector used in a plant growing state diagnostic apparatus in hydroponics according to the present invention
  • FIG. 3 is a schematic top view of a test solution flow path.
  • the detector comprises a housing 1 made of a suitable material such as a transparent or translucent plastic.
  • the housing 1 is composed of two substrates 1A and 1B which are superimposed on each other and a thin partition plate 1C provided with an adhesive layer on both sides, and the two substrates 1A and 1B form the partition plate 1C.
  • the two substrates 1A and 1B are assembled with the partition plate 2 so as to be joined in a liquid-tight manner.
  • a test solution flow path 2 composed of a groove for passing a test solution to be analyzed is formed on its inner surface, that is, a surface facing the thin partition plate 1C, along a peripheral edge of the substrate 1A. It is formed in a shape.
  • a sample solution injection hole 3 communicating with the outside of the housing is formed, and at the downstream portion of the sample solution flow channel 2, a first waste liquid portion 4 formed in a zigzag shape is formed.
  • a first waste liquid portion 4 formed in a zigzag shape is formed.
  • the grooves forming the first waste liquid section 4 are formed in a zigzag as shown in FIGS. 1 and 2, and the width and depth of the groove are different from those of the other parts of the sample liquid flow path 2 in order to obtain a sufficient volume. It is set larger.
  • the sample solution flow path 2 has a relatively narrow portion 2a extending from the injection hole 3 and a sensor contact portion 2b following the relatively narrow portion 2a.
  • a narrow groove 6 forming a part of the calibration liquid passage is formed inward.
  • a branch passage 7 extending toward the peripheral portion is formed in the sensor contact portion 2 b of the test liquid flow channel 2, and the leading end of the branch passage 7 is terminated with a through hole 8.
  • the through-hole 8 is positioned so as to face the reference electrode.
  • a water holding body composed of a porous layer in which a water-swellable material is dispersed, or a laminate of a porous layer and a layer composed of a water-swellable material is laminated. Is provided.
  • a through hole 10 for guiding and locking when a detection tool is inserted into a test solution diagnostic device described later is provided at a substantially central portion of one substrate 1A.
  • a shallow concave surface 12 for mounting the sensor device 11 is formed along one corner on its inner surface, that is, the surface facing the thin partition plate 1C, and At a position corresponding to the opening 9 on the substrate 1A, a mounting concave surface 14 for the calibration liquid container 13 is formed.
  • the calibration liquid container 13 is made of a material having no gas permeability or low gas permeability, and contains therein a calibrating reagent for each detection unit in the sensor device 11 in a closed manner.
  • the calibrator solution container 13 is opened when it is pressed by the pressing means of the reagent solution diagnostic device described later, and the calibrator solution inside is released from the calibrator solution container and the reagent solution flow path passes through the narrow grooves 6 and 16. It is configured to be introduced into the two sensor contact portions 2b.
  • Reference numeral 17 denotes a second waste liquid part comprising a zigzag groove formed symmetrically with the waste liquid part 4 at a position corresponding to the first waste liquid part 4 on one substrate 1A.
  • This waste liquid part 17 communicates with a first waste liquid part 4 formed on one of the substrates 1A through a hole 24 provided in a partition plate 1C at the time of assembly. Construct a waste liquid passage (see Fig. 2).
  • An exhaust hole 18 communicating with the outside is formed at the downstream end of the waste liquid portion 17. The exhaust hole 18 is permeable to air and impermeable to liquid.
  • a plug member 19 that works is installed.
  • FIG. 3 is a schematic enlarged view of the sensor device 11.
  • the sensor device 11 includes a plurality of detectors 1 lb having electrodes formed by applying conductive ink on an insulating substrate 11 a.
  • This detector 1 1b is used for nitrate nitrogen, ammonia nitrogen, phosphoric acid, potassium, Depending on the components to be detected such as calcium, magnesium, pH, electric conductivity, etc., a gas permeable membrane through which the gas component to be detected can pass A reagent layer formed by coating a chemical substance or a natural substance that reacts with the component to be detected can be provided as appropriate.
  • the sensor device 11 includes a counter electrode 11 f for measuring the oxygen concentration in the test solution using the current detection method, and nitrate nitrogen, ammonia nitrogen, and phosphoric acid in the test solution using the potential difference detection method. It has 11 g of reference electrode for measuring potassium, calcium, magnesium, and hydrogen ion concentrations.
  • the detectors 11b are arranged so as to be able to measure four types of test values among the components to be detected.
  • each detecting portion 1 lb is connected to a terminal 11 e arranged along one side edge of the substrate 11 a via a conductor 1 Id coated with conductive ink, and these terminals are connected to each other.
  • the terminals 11 e are arranged so as to be exposed to the outside from the board 1 A when the housing 1 is assembled. That is, FIG. 4 is a schematic perspective view showing a state in which the housing 1 is assembled. As can be seen from this drawing, the width of one substrate 1A is slightly smaller than that of the other substrate 1B, and the terminal 1 le is disposed on a portion of the substrate 1B that protrudes from the substrate 1A when the two substrates 1A and 1B are overlapped.
  • the insulating substrate can be made of any insulating material, such as ceramic, glass, glass epoxy, plastic, etc., as long as the material is not attacked by the test solution.However, since it is disposable, it is inexpensive and easy to handle. Plastic films such as polyvinyl chloride, polyester, polyethylene, and polypropylene are preferred.
  • a screen printing method capable of efficiently forming a large amount of uniform ink can be considered, but is not limited thereto.
  • any method such as ink jet method, nozzle coating method, dispenser-printing or casting can be used.
  • a through-hole 20 is provided at a position on the other substrate 1B corresponding to the through-hole 10 in one substrate 1A, and these two substrates 1A and 1B are penetrated when they are bonded to each other.
  • the holes 10 and 20 are aligned and aligned.
  • the partition plate 1C is provided with a plurality of openings 21 at positions along the detecting portion abutment portion 2b and the branch passage 7 of the reagent solution flow path 2 on one substrate 1A.
  • the sample liquid flowing into the detector contacting portion 2b and the branch passage 7 of (2) comes into contact with the detectors 1 1c and the electrodes 1 lb on the other substrate 1B through these openings 21. Have been.
  • the partition 1C is formed by a hole 22 provided at a position corresponding to the through hole 10 in one substrate 1 ⁇ and a through hole 20 on the other substrate IB, and a narrow groove 6 of one substrate 1A.
  • a hole 24 is formed for communicating a waste liquid part 1 ⁇ of 1 B to form a continuous waste liquid part.
  • FIG. 5 is a schematic perspective view of one embodiment of a portable nutrient solution diagnostic device that performs component analysis using the detector configured as described above
  • FIG. 6 is a schematic diagram illustrating the structure of the reagent solution diagnostic device. It is a block diagram.
  • This portable reagent diagnostic device This portable reagent diagnostic device
  • a measuring section 30 having an insertion slot into which the card-type disposable detector illustrated in FIGS. 1 to 4 can be inserted, and a terminal (not shown) connectable to a terminal 1 le of the disposable detector;
  • the analysis value of each component is calculated based on the output signal detected by each detection unit in the card-type disposable detector, and the analysis value is compared with the standard model stored in the storage unit Comparing control
  • a storage unit 32 storing the standard model
  • An input unit 33 capable of inputting the predetermined identification information via input means; and a display unit 33 arranged on the upper surface of the casing and capable of displaying a comparison result in the control / calculation unit 31 as a diagnosis result.
  • a printer 35 capable of printing the diagnosis result
  • the input means is incorporated in the display unit 33.
  • mechanism section 36 in FIG. 6 shows a mechanism that is not directly related to the measurement of the calibration liquid container pressing means or the like.
  • the calibration liquid container pressing means of the reagent diagnostic device automatically presses the calibration liquid container of the disposable detector, thereby providing the calibration solution. Is introduced into the sensor device 11, and the sensor device 11 is calibrated.
  • control processing unit 31 determines that the calibration of the sensor device 11 has been completed, the control unit 31 displays a message “Please inject the reagent solution” on the display unit 33.
  • the user should prepare the sample solution to be analyzed in advance (in the case of hydroponics, the nutrient solution, raw water or plant sap, or in the case of hydroponic soil cultivation, the nutrient solution, raw water , Soil extract or plant sap) from the injection hole 3 of the disposable detector set in the test solution diagnostic instrument.
  • the current value and voltage value detected by each detector 11b of the disposable detector are controlled in the portable reagent diagnostic device via the terminal 11e of the detector and the terminal of the measuring unit 30.
  • ⁇ Sent to arithmetic processing unit 31 The control / arithmetic processing unit 31 detects the components to be detected, for example, oxygen concentration, nitrate nitrogen, ammonia nitrogen, phosphoric acid, potassium, calcium, magnesium, hydrogen, based on the detection value obtained from the measurement unit 31. Calculate the ion concentration.
  • a standard model corresponding to the identification information is read from the storage unit 33 based on the identification information of the test solution input from the input unit 33, and the standard model and the calculated concentration (analysis value) of each component are determined. The comparison is made, and the result of the comparison is displayed on the display section 33.
  • control / arithmetic processing unit 31 displays instruction information for instructing to supplement a component corresponding to the analysis value. 33 can be configured to display.
  • the standard model is explained here.
  • the standard model is the optimal concentration of raw water, nutrient solution, soil extract, and sap or plant sap according to the type of plant and the growing season. Or based on past accumulated data.
  • the standard model may have a certain width, but may have a single value without a width. When the standard model has one value, it is preferable to set an allowable value for the standard model.
  • the storage unit 33 may be fixedly provided inside the reagent diagnostic device, or may be configured to be detachable from the reagent diagnostic device.
  • the recording unit 33 By configuring the recording unit 33 so that it can be attached to and detached from the reagent diagnostic device, it is possible to use a general-purpose recording medium such as a floppy disk or a memory as the recording unit 33, and thus use a general-purpose recording medium. This makes it easy to change or update the type of the standard model.
  • the storage unit 33 may be configured to be able to store the analysis value calculated in the control / operation processing unit 31 together with the identification information and the date / time information. 1 is the identification report and analysis value recorded in the recording unit 3 3 Thus, a standard model of a component necessary for a plant corresponding to the identification information can be determined.
  • Plants absorb different amounts of components depending on their growing conditions.Therefore, component concentrations in soil extracts and nutrient solutions vary, but it is known that there is a certain range of concentrations of components in plants. ing. Therefore, applying the characteristics of the plant described above, the plant sap is analyzed as a test solution, and the type of the plant from which the test solution was collected is stored in the recording unit 33 with the analysis value over time as identification information. Set the maximum value, minimum value, or average value of the analysis values of each component stored in recording unit 33 in Part 31 to the standard model of the plant corresponding to the identification information, and together with the analysis values as necessary. It can be configured to display or print on the display unit 33 or the printer 35.
  • control / calculation unit 31 may be configured to correct or update the standard model at regular intervals or every time a new reagent solution is analyzed.
  • identification information will be described.
  • the identification information is information for identifying the source from which the test solution was collected.
  • the type of plant the type of test solution (raw water, nutrient solution, soil extract, plant sap, etc.), the place where the sample was collected, and the like are listed.
  • hydroponic culture unlike hydroponic culture, since the nutrient concentration of the soil differs depending on the place where the plant to be analyzed is cultivated, it is not possible to identify the location where the soil extract or plant sap was extracted. However, analysis results cannot be accurately reflected in cultivation. The same can be said when the user has multiple farms and multiple hydroponic facilities.
  • nutrient solution cultivation or hydroponic cultivation when plant sap collected from a plant is used as a test solution, it is necessary to specify the type of plant.
  • identification information that can identify the source from which the sample was collected together with the measured values
  • the measured values can be displayed or printed over time for each source. Can also be used for multiple farms And if you have a hydroponic plant, you can use it.
  • This identification information may be input every time the user sets the detector in the diagnostic device via the input unit 33.For example, a barcode seal or the like may be attached to the detector according to the source of the sampling.
  • the diagnostic device may be configured to automatically read the identification information when the detector is set in the diagnostic device.
  • the apparatus for diagnosing the condition of growing plants in hydroponic cultivation has a test liquid flow path into which a test liquid of hydroponic cultivation can be introduced, and a plurality of liquids to be analyzed in the test liquid flow path.
  • a disposable detector provided with a plurality of detectors for the component, and configured to be connectable to the disposable detector, calculating an analysis value of the component to be detected based on the detection value obtained from each detector, The calculated analysis value is compared with a predetermined standard model, and the comparison result is displayed as a diagnosis result and a test solution diagnostic device configured to print or print the results is used.
  • the present invention provides a method for easily diagnosing the growth state of a plant by measuring the components of a test solution such as a nutrient solution, raw water, a soil extract, and / or a plant sap in cultivation using a nutrient solution. It is possible to provide an apparatus for diagnosing the growing condition of a plant in hydroponic cultivation that can be performed accurately and can be used for both hydroponic cultivation and hydroponic soil cultivation.
  • a test solution such as a nutrient solution, raw water, a soil extract, and / or a plant sap in cultivation using a nutrient solution.
  • the present invention can simultaneously diagnose a plurality of components as described above, so that the hydroponic cultivation does not impose a large burden on the hydroponic cultivation worker, and the hydroponic cultivation, raw water and
  • test liquids such as nutrient solution, raw water, soil extract, and / or plant sap can be periodically analyzed in short cycles.
  • Hydroponics workers will be able to make detailed diagnoses of nutrient solution, raw water, soil extract, and / or plant sap. Influence,

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Abstract

L'invention concerne un appareil permettant d'évaluer l'état de croissance d'une plante cultivée en nutriculture et comportant un passage qui permet d'introduire un échantillon liquide de nutriculture. Ledit appareil est équipé d'un détecteur jetable comprenant, le long du passage, une pluralité de parties de détection destinées à une pluralité de composants à analyser et, conçu de manière qu'il soit connecté au détecteur, un dispositif d'évaluation destiné à l'échantillon liquide, qui calcule les valeurs analytiques pour un composant à détecter, sur la base des valeurs détectées obtenues des différentes parties de détection, compare les valeurs calculées à celles contenues dans un modèle standard prédéterminé et peut afficher et/ou imprimer le résultat de cette comparaison comme résultat de l'évaluation. Ledit appareil peut servir à évaluer l'état d'une plante cultivée en mesurant, facilement et précisément, les composants des échantillons liquides, tels qu'un liquide nutritif, une eau originale, un extrait d'échantillon de sol et une sève tirée d'une plante. Ledit appareil peut en outre être utilisé en culture aquatique et en culture en sol nutritif.
PCT/JP2000/003563 2000-06-01 2000-06-01 Appareil permettant d'evaluer l'etat de croissance d'une plante cultivee en nutriculture WO2001091540A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2000/003563 WO2001091540A1 (fr) 2000-06-01 2000-06-01 Appareil permettant d'evaluer l'etat de croissance d'une plante cultivee en nutriculture
JP2001587563A JP4677164B2 (ja) 2000-06-01 2000-06-01 養液栽培における植物の育成状態診断装置

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Application Number Priority Date Filing Date Title
PCT/JP2000/003563 WO2001091540A1 (fr) 2000-06-01 2000-06-01 Appareil permettant d'evaluer l'etat de croissance d'une plante cultivee en nutriculture

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WO2001091540A1 true WO2001091540A1 (fr) 2001-12-06

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002058369A (ja) * 2000-06-06 2002-02-26 Otsuka Chem Co Ltd 養液土耕栽培方法、及び養液土耕栽培用の養液管理シート、及び養液土耕栽培用の養液管理システム
JP2007130002A (ja) * 2005-11-08 2007-05-31 Nikkan Kagaku Kk 高品質の植物を自動栽培する小型装置、並びに、人間や水、光、及び音、電気信号、濃度勾配に反応する植物栽培システム
JP7421774B2 (ja) 2020-04-30 2024-01-25 ウシオ電機株式会社 成分測定方法および成分測定用ストリップ

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10123491B2 (en) 2015-12-30 2018-11-13 Stmicroelectronics, Inc. Aeroponics system with microfluidic die and sensors for feedback control
KR101871481B1 (ko) * 2016-05-30 2018-06-27 농업회사법인 주식회사 그린코프 원예작물의 양액재배를 위한 비료처방 방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62226A (ja) * 1985-06-25 1987-01-06 横河電機株式会社 養液栽培制御システム
JP3046992U (ja) * 1997-09-09 1998-03-24 株式会社テクノメデイカ 検査液分析装置用使い捨て成分検出具

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0346992U (fr) * 1989-09-14 1991-04-30

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62226A (ja) * 1985-06-25 1987-01-06 横河電機株式会社 養液栽培制御システム
JP3046992U (ja) * 1997-09-09 1998-03-24 株式会社テクノメデイカ 検査液分析装置用使い捨て成分検出具

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002058369A (ja) * 2000-06-06 2002-02-26 Otsuka Chem Co Ltd 養液土耕栽培方法、及び養液土耕栽培用の養液管理シート、及び養液土耕栽培用の養液管理システム
JP4566458B2 (ja) * 2000-06-06 2010-10-20 大塚化学株式会社 養液土耕栽培方法
JP2007130002A (ja) * 2005-11-08 2007-05-31 Nikkan Kagaku Kk 高品質の植物を自動栽培する小型装置、並びに、人間や水、光、及び音、電気信号、濃度勾配に反応する植物栽培システム
JP7421774B2 (ja) 2020-04-30 2024-01-25 ウシオ電機株式会社 成分測定方法および成分測定用ストリップ

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