CN102788791B - Fast determination device for soil acidity and alkalinity - Google Patents
Fast determination device for soil acidity and alkalinity Download PDFInfo
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- CN102788791B CN102788791B CN201210289327.6A CN201210289327A CN102788791B CN 102788791 B CN102788791 B CN 102788791B CN 201210289327 A CN201210289327 A CN 201210289327A CN 102788791 B CN102788791 B CN 102788791B
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Abstract
The invention discloses a fast determination method for the soil acidity and alkalinity and a determination device thereof. The method for fast determination of the soil acidity and alkalinity and improvement on acid soil comprises the following steps of: sampling, acidity and alkalinity determination, fast finding of the application amount of alkaline improved substances by the contrast of a lime equivalent table and the like; the determination device comprises a measuring cavity, a filter medium, a piston and a developing cavity, wherein the measuring cavity is drum-shaped, and the piston is connected with the side wall of the measuring cavity; the developing cavity is positioned at the front end of the measuring cavity, the upper end of the developing cavity is a neck cavity communicated with the bottom part of the measuring cavity, and the neck cavity is provided with an air hole communicated with the outside; the filter medium is filled into the bottom of the measuring cavity; and the measuring cavity is respectively provided with scale lines such as 5ml and 25ml. According to the invention, the soil acidity and alkalinity fast-determination device, special soil-acidity leaching liquor and a special pH reagent for matched use are used, not only can the acidity of the soil be determined fast, but also the alkaline substances needed for improving different acid soils can be obtained directly by the contrast of the lime equivalent table.
Description
Technical field
The present invention relates to a kind of soil acidity or alkalinity rapid assay methods and determinator thereof.
Background technology
Orchard soil acidifying has been currently affect one of problem of the most critical of fruit quality, and measuring soil aciditiy under prior art condition can only carry out in field bigness scale or in specialized laboratory.Orchard worker be badly in need of a kind of acidity of orchard soil fast and accurately again can according to measurement result directly apply fertilizer improvement technology.The data of whole nation Guo Ye scientific seminar shows, 2000, and the application area of China is 8,400,000 hectares, and fruit gross annual output amount reaches more than 5,900 ten thousand tons.Have the acidifying of nearly half orchard soil serious at present, have impact on the Quality and yield of fruit, by using this kit, acidifying orchard output can be made to increase by more than 20%, and quality increases substantially, and national fruit increases income about 600,000,000 yuan.
In the middle of farmland planting, the potential of hydrogen of soil affects the growth of crops.The method of common measurement farmland potential of hydrogen gets a part of pedotheque to the sampling of special chemical laboratory, and in test tube, put into certain proportion soil and solution, instillation ph measures liquid or ph test paper is measured.
Existing technology can only be carried out in laboratory or by the pH value of pH test paper at field bigness scale soil, orchard worker is difficult to hold soil ratio, and result is often very inaccurate.
Existing accurate pH test paper can measure the acidity of solution, but the soil ratio not easily accurate assurance of solution orchard worker surveys orchard soil during in field, and the pH value measured is very inaccurate, and needs to use how much lime and carry out improveing also not corresponding and reference frame that is that determine.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of soil acidity or alkalinity rapid assay methods.
The another one technical matters that the present invention will solve is to provide a kind of soil acidity or alkalinity determinator.
For soil acidity or alkalinity rapid assay methods, the technical solution used in the present invention is: soil acidity or alkalinity rapid assay methods, comprises the steps:
(1) adopt S shape five point sampling, get soil on degree of depth 10cm to 20cm section as measurement sample;
(2) 5ml soil surveying sample is placed in the container for lixiviate, adds the special leaching liquor of 20 ~ 22ml soil aciditiy, after abundant lixiviate, obtain soil extract solution;
(3) to the soil extract solution obtained after lixiviate through media filtration, make its Separation of Solid and Liquid, the soil extract solution after filtering be placed in the container that another one is used for developing the color;
(4) the soil extract solution be placed in the container of colour developing is added soil aciditiy and measures special pH reagent, shake up gently, after colour developing and colorimetric card contrast after obtain the pH numerical value of resample area soil;
(5) according to measured soil pH value, soil types, the alkaline matter used, contrast following lime and use equivalent scale can obtain the amount of application of corresponding alkaline matter;
Last using the alkaline matter amount of application obtained directly as the improvement foundation of the acid ground of resample area.As preferably, the special leaching liquor of soil aciditiy is concentration is the Klorvess Liquid of 1mol/L to saturated solution.
As preferably, the calcium chloride solution of the special leaching liquor of soil aciditiy to be concentration be 0.1mol/L ~ 1mol/L.
As preferably, the compound method that soil aciditiy measures special pH reagent is: take bromcresol green, bromcresol purple, each 0.2g-0.75g of cresol red, adds NaOH solution 15ml and 5ml water that concentration is 0.1mol/L, is diluted to 100ml and uses after grinding.
For soil acidity or alkalinity determinator, the technical solution used in the present invention is: soil acidity or alkalinity rapid determination device, comprises and measures chamber, filter medium, piston, colour developing chamber; Measurement chamber is cylindrical shape, and piston inserts measurement chamber and the outer wall of piston is fitted with measurement chamber sidewall; Colour developing chamber is positioned at measures front end, chamber, and colour developing upper end, chamber is and measures the neck chamber be communicated with bottom chamber, and neck chamber is provided with the pore communicated with the external world; Filter medium is filled in be measured at the bottom of chamber.
As preferably, measure on chamber and be respectively equipped with 5ml and 25ml scale mark.
As preferably, filter medium is absorbent cotton.
As preferably, filter medium is synthon filter cloth.
The invention has the beneficial effects as follows:
Use soil acidity or alkalinity rapid measurement device and special-purpose soil acidity leaching liquor and special pH reagent to support the use, process is simple, and processing ease, result is accurate.Not only can Fast Measurement soil aciditiy, also test is for many years utilized to show that lime equivalent scale directly obtains for the alkaline matter amount of application needed for different acid soil improvements by contrast, achieve the scheme that Fast Measurement ph value determines to regulate soil acidity or alkalinity fast, greatly facilitate the transformation needs of orchard worker to orchard acid ground.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structural representation of soil acidity or alkalinity determinator embodiment of the present invention.
In figure, 1-measures chamber, 2-develops the color chamber, 3-piston, 4-absorbent cotton, 5-pore.
Embodiment
Fig. 1 is a kind of soil acid-base determinator, comprises and measures chamber 1, absorbent cotton 4, piston 3, colour developing chamber 2.
Measuring chamber 1 is cylindrical shape, and piston 3 is positioned at measures chamber 1, and is connected with the sidewall measuring chamber 1.
Colour developing chamber 2 is positioned at the front end measuring chamber 1, and colour developing upper end, chamber 1 is and measures the neck chamber be communicated with bottom chamber, and neck chamber is provided with the pore 5 communicated with the external world, and absorbent cotton 4 is filled in the bottom measuring chamber 1.
Measuring chamber with colour developing chamber is the single piece made with transparent plastic, and the outer wall measuring chamber is respectively equipped with 5ml and 25ml scale mark.
Absorbent cotton 4 can substitute with multi-layer synthetic fibre filter cloth or other filter mediums.
The using method of soil acid-base rapid determination device:
(1) adopt S shape five point sampling, get soil on degree of depth 10cm to 20cm section as measurement sample;
(2) piston is extracted, with tweezers, absorbent cotton is inserted bottom measurement chamber;
(3) medication bale-out soil sample is inserted and is measured chamber, until 5ml scale mark;
(4) special for soil aciditiy leaching liquor is added measurement chamber to 25ml scale mark;
(5) piston is inserted gently measurement chamber, block the pore in colour developing chamber simultaneously, avoid leaching liquor to flow into colour developing chamber, rock and measure chamber, after abundant lixiviate, obtain soil extract solution;
(6) decontrol the pore blocked and advanced bottom measurement chamber by piston, making the soil extract solution after lixiviate enter colour developing chamber bottom measurement chamber, non-solvent portions is isolated in by absorbent cotton to be measured in chamber;
(7), after chamber fills with soil extract solution until colour developing, instill two soil aciditiies from pore and measure special pH reagent, shake up gently, after colour developing and colorimetric card contrast after obtain the pH numerical value of resample area soil;
(8) according to measured soil pH value, soil types, the alkaline matter used, contrast lime uses equivalent scale (table 1) can obtain the amount of application of alkaline matter; Last using the alkaline matter amount of application obtained as the improvement foundation of the acid ground of resample area.
Table 1: lime equivalent scale
The saturated solution of the special leaching liquor of the soil aciditiy in the present embodiment specifically potassium chloride.Also can working concentration be the calcium chloride solution of 0.1mol/L ~ 1mol/L.
The compound method that soil aciditiy measures special pH reagent is: take bromcresol green, bromcresol purple, each 0.5g of cresol red, adds NaOH solution 15ml and 5ml water that concentration is 0.1mol/L, is diluted to 100ml and uses after grinding.
Principle of work:
1) the special leaching liquor action principle of soil aciditiy is: the metallic ion dissolved in leaching liquor can replace hydrogen ion and the aluminium ion of soil colloids comparatively fully, can the acidity of Measurement accuracy soil.
2) pH reagent by several to hydrogen ion and hydroxide ion chemically reactive and the material showing different colours form.
3) lime equivalent scale is through the field experiment of 2 years, determine the lime resiliency of various types of orchard soil, and determine the equivalent that Different Soil pH value changes a unit or the lime equivalent be improved to needed for target ph and the upgrade materials such as rauhkalk, acid soil improving agent on this basis, and be made into thus and can use the contrast form of equivalent by fast finding lime by soil acidity or alkalinity.
As the outfit of the quick soil test device of the whole series, can by relevant reagent, leaching liquor as special in soil aciditiy and soil aciditiy measure special agent and the present embodiment is provided in same portable casing, conveniently directly carries out the work of soil acidity mensuration in field.
The present embodiment is by directly searching the evolutionary approach determining soil acidity or alkalinity after Fast Measurement soil acidity or alkalinity, very convenient to oneself soil improvement in orchard for orchard worker.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (4)
1. a soil acidity or alkalinity determinator, is characterized in that: comprise and measure chamber, filter medium, piston, colour developing chamber; Described measurement chamber is cylindrical shape, and described piston inserts measurement chamber and the outer wall of piston is fitted with measurement chamber sidewall; Described colour developing chamber is positioned at measures front end, chamber, and colour developing upper end, chamber is and measures the neck chamber be communicated with bottom chamber, and neck chamber is provided with the pore communicated with the external world; Described filter medium is filled in be measured at the bottom of chamber.
2. soil acidity or alkalinity determinator according to claim 1, is characterized in that: described measurement chamber is respectively equipped with 5ml and 25ml scale mark.
3. soil acidity or alkalinity determinator according to claim 1, is characterized in that: described filter medium is absorbent cotton.
4. soil acidity or alkalinity determinator according to claim 1, is characterized in that: described filter medium is synthon filter cloth.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210289327.6A CN102788791B (en) | 2012-08-10 | 2012-08-10 | Fast determination device for soil acidity and alkalinity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210289327.6A CN102788791B (en) | 2012-08-10 | 2012-08-10 | Fast determination device for soil acidity and alkalinity |
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| CN102788791A CN102788791A (en) | 2012-11-21 |
| CN102788791B true CN102788791B (en) | 2015-06-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020148640A3 (en) * | 2019-01-15 | 2020-09-03 | Precision Planting Llc | Soil analysis compositions and methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713996A (en) * | 2013-12-11 | 2015-06-17 | 中国科学院沈阳应用生态研究所 | Method for determining pH value of soil |
| CN104237229B (en) * | 2014-08-22 | 2016-08-24 | 天津商业大学 | PH value test fluid and preparation method thereof |
| CN104483267A (en) * | 2014-11-28 | 2015-04-01 | 内蒙古农牧业科学院 | Desulfurization gypsum improved saline-alkali soil rapid determination box and detection method thereof |
| CN108562718A (en) * | 2018-06-01 | 2018-09-21 | 六安市裕安区百草园中药材种植专业合作社 | A kind of planting soil acidity-basicity tester |
| CN109374619A (en) * | 2018-10-22 | 2019-02-22 | 苏州泰坤检测技术有限公司 | The detection device of field speed survey soil acidity or alkalinity |
| CN109507182B (en) * | 2018-12-04 | 2021-07-30 | 中山市中能检测中心有限公司 | Soil pH value imbalance detection equipment and use method thereof |
| CN110412076B (en) * | 2019-07-25 | 2022-05-06 | 商丘青木传感技术有限公司 | Novel online soil pH value sensor of infiltration formula |
| CN110530861B (en) * | 2019-09-10 | 2022-03-22 | 佛山科学技术学院 | Method for measuring soil pH value |
| CN111458394B (en) * | 2020-05-08 | 2023-08-08 | 广西壮族自治区农业科学院 | Method for measuring acid-base content of soil |
| CN111707807A (en) * | 2020-06-23 | 2020-09-25 | 中国科学院空天信息创新研究院 | Rapid detection device and detection method for soil water-soluble salt |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009088773A1 (en) * | 2008-01-09 | 2009-07-16 | University Of Florida Researc Foundation, Inc. | Devices and methods for measuring the acidity of airborne matter using uv-visible spectrometry |
| CN102108377A (en) * | 2009-12-25 | 2011-06-29 | 中国科学院沈阳应用生态研究所 | Method for determining activity of soil arginine desaminase |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009088773A1 (en) * | 2008-01-09 | 2009-07-16 | University Of Florida Researc Foundation, Inc. | Devices and methods for measuring the acidity of airborne matter using uv-visible spectrometry |
| CN102108377A (en) * | 2009-12-25 | 2011-06-29 | 中国科学院沈阳应用生态研究所 | Method for determining activity of soil arginine desaminase |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020148640A3 (en) * | 2019-01-15 | 2020-09-03 | Precision Planting Llc | Soil analysis compositions and methods |
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