Comprehensive evaluation method for white spirit producing area and application of comprehensive evaluation method

Abstract

The invention provides a comprehensive evaluation method for a white spirit producing area and application of the comprehensive evaluation method, and relates to the technical field of white spirit producing area evaluation. According to the comprehensive evaluation method, grade evaluation is carried out on the production area of the Baijiu from six dimensions of geology, geography, soil, hydrology, climate and microorganisms, the six dimensions of the production area are scored according to a production area evaluation model to obtain a comprehensive total score of the production area, and after the comprehensive total score is converted into a centesimal system, the production area grade is obtained according to a production area grade table. The evaluation method provided by the invention comprehensively evaluates control factors and indexes which have important influence on wine brewing, and has guiding significance for guiding and standardizing production of a white spirit production end and transaction behaviors in the circulation process of consumers and white spirit commodities.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of evaluation of liquor producing areas, and particularly relates to a comprehensive evaluation method for liquor producing areas and application thereof. BACKGROUND

[0002] The distribution of liquor has certain regionalism. Different geographical locations, local customs and habits form different styles of liquor. A liquor producing area is not only a geographical concept, but also a unique carrier of environment, ecology and humanity, and is the source of liquor quality and flavor. The classification of liquor producing areas has important significance and role. Through the classification of liquor producing areas, the production of liquor in specific producing areas can be encouraged and supported, and the local economy can be promoted. In the current standards of liquor producing areas, including the liquor ecological producing area and the liquor wetland producing area issued by China Wine Industry Association, the evaluation indexes of the producing areas in the two standards are relatively comprehensive, but are relatively general, and the requirements on the environment of the producing areas are relatively simple, only the evaluation of whether the producing area is an ecological producing area and a wetland producing area is involved, and specific analysis of the producing area is not involved. Therefore, it is urgent to provide a multi-dimensional evaluation method for liquor producing areas, so as to maintain the rights and interests of consumers and the market order. SUMMARY

[0003] Therefore, the purpose of the present application is to provide a comprehensive evaluation method for liquor producing areas and application thereof, which evaluates the liquor producing areas from multiple dimensions and has guiding significance for consumers and transaction behaviors in the process of liquor commodity circulation.

[0004] In order to achieve the above-mentioned purpose of the application, the present application provides the following technical scheme:

[0005] The present application provides a comprehensive evaluation method for liquor producing areas, comprising the following steps:

[0006] The producing area of liquor is evaluated from six dimensions of geology, geography, soil, hydrology, climate and microorganism, the six dimensions of the producing area are scored according to a producing area evaluation model, the comprehensive total score of the producing area is obtained, and after being converted into a percentage system, the grade of the producing area is obtained by referring to a producing area grade table;

[0007] The producing area evaluation model is shown in the following formula:

[0008]

[0009] In the formula, represents the comprehensive total score of the producing area; a represents the weight of the i th producing area factor; M represents the i th producing area factor; and b represents the grading assignment of the i th producing area factor. i In the formula, represents the comprehensive total score of the producing area; a represents the weight of the i th producing area factor; M represents the i th producing area factor; and b represents the grading assignment of the i th producing area factor. i In the formula, represents the comprehensive total score of the producing area; a represents the weight of the i th producing area factor; M represents the i th producing area factor; and b represents the grading assignment of the i th producing area factor.

[0010] Preferably, the grade evaluation standard of the production area is divided into three grades, from high to low, Grade I, Grade II and Grade III; the corresponding comprehensive total score of Grade I is >80; the corresponding comprehensive total score of Grade II is 60-80; the corresponding comprehensive total score of Grade III is <60; the corresponding production area of Grade I is the original production area of Maotai-flavor liquor.

[0011] Preferably, the detection index of geology includes lithology and structure; the grade evaluation standard of geology is divided into three grades, from high to low, excellent, first grade and second grade; the corresponding lithology of the excellent grade is Jurassic purple rock system; the corresponding lithology of the first grade is carbonate rock with Jurassic purple rock system around; the corresponding lithology of the second grade is carbonate rock and others; the corresponding structure of the excellent grade is tight syncline valley; the corresponding structure of the first grade is wide syncline or monocline valley; the corresponding structure of the second grade is anticline valley and others.

[0012] Preferably, the detection index of geography includes topography and geographical position; the grade evaluation standard of geography is divided into three grades, from high to low, excellent, first grade and second grade; the corresponding topography of the excellent grade is V-shaped valley; the corresponding topography of the first grade is open valley; the corresponding topography of the second grade is others; the corresponding geographical position of the excellent grade is the production area in the north of Dalou Mountain; the corresponding geographical position of the first grade is the production area in Dalou Mountain; the corresponding geographical position of the second grade is Guizhou production area.

[0013] Preferably, the detection index of soil includes soil type, soil pH and trace elements in soil; the grade evaluation standard of soil is divided into three grades, from high to low, excellent, first grade and second grade; the corresponding soil type of the excellent grade is V-shaped valley; the corresponding soil type of the first grade is open valley; the corresponding soil type of the second grade is others; the corresponding soil pH of the excellent grade is 6.5-8.0; the corresponding soil pH of the first grade is 6.0-6.5 or 8.0-8.5; the corresponding soil pH of the second grade is <6.0 / >8.5; the corresponding trace elements in soil of the excellent grade is >0.4 mg / L; the corresponding trace elements in soil of the first and second grades is <0.4 mg / L.

[0014] Preferably, the detection index of hydrology includes water pH and trace elements in water; the grade evaluation standard of hydrology is divided into three grades, from high to low, excellent, first grade and second grade; the corresponding water pH of the excellent and first grades is 6.5-8.5; the corresponding water pH of the second grade is <6.5 / >8.5; the corresponding trace elements in water of the excellent grade is >0.4 mg / L; the corresponding trace elements in water of the first grade is <6.5 / >8.5; the corresponding trace elements in water of the second grade is <0.2 mg / L.

[0015] Preferably, the detection index of the climate includes annual average temperature, annual average wind speed, annual average relative humidity and annual accumulated temperature; the grade evaluation standard of the climate is divided into three grades from high to low in turn as excellent level, first level and second level; the annual average temperature corresponding to the excellent level is 14-18℃; the annual average temperature corresponding to the first and second levels is <14℃ / 18℃; the annual average wind speed corresponding to the excellent level is <1.5m / s; the annual average wind speed corresponding to the first level is 1.5-3.3m / s; the annual average wind speed corresponding to the second level is >3.3m / s; the annual average relative humidity corresponding to the excellent level and the first level is 75-80%; the annual average relative humidity corresponding to the second level is <75% / 80%; the annual accumulated temperature corresponding to the excellent level is >5000℃; the annual accumulated temperature corresponding to the first and second levels is 2000-5000℃.

[0016] Preferably, the detection index of the microorganism includes species diversity and dominant genus; the grade evaluation standard of the microorganism is divided into three grades from high to low in turn as excellent level, first level and second level; the species diversity corresponding to the excellent level is rich; the species diversity corresponding to the first level is relatively rich; the species diversity corresponding to the second level is moderate; the dominant genus corresponding to the excellent level is >10 species; the dominant genus corresponding to the first and second levels is 5-10 species. Preferably, the species diversity is comprehensively evaluated according to the Shannon index of bacteria and fungi in the production area environment.

[0017] The application provides an application of the comprehensive evaluation method in evaluation of a Maotai-flavor liquor production area.

[0018] Compared with the prior art, the application has the following beneficial effects:

[0019] The application provides a comprehensive evaluation method of a liquor production area, which is composed of a production area environment evaluation standard and an evaluation model. The definition, geographical range, division method, evaluation method, related index and detection method of the production area in the production area environment evaluation standard are described, and six dimensions including geology, geography, soil, hydrology, climate and microorganism are contained. The method has a comprehensive evaluation on the control factors and indexes which have important influence on liquor brewing, scientifically and objectively evaluates the liquor production area from multiple dimensions, and has guiding significance for guiding and standardizing the production of the production end of the liquor, and for the transaction behavior in the process of the consumer and the liquor commodity circulation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of a Guizhou Maotai-flavor liquor production area. DETAILED DESCRIPTION

[0021] The application provides a comprehensive evaluation method of a liquor production area, which preferably comprises the following steps:

[0022] The production area is graded from the six dimensions of geology, geography, soil, hydrology, climate and microorganism, the six dimensions of the production area are scored according to the production area evaluation model, the comprehensive total score of the production area is obtained, and after being converted into a percentage system, the production area grade is obtained by referring to the production area grade table;

[0023] The production area evaluation model is shown in the following formula:

[0024]

[0025] In the formula, I represents the comprehensive total score of the production area; a represents the weight of the i-th production area factor; M represents the grading value of the i-th production area factor. p i i In the application, the production area factor includes lithology, structure, topography, geographical location, soil type, soil acidity and alkalinity, trace elements in soil, water acidity and alkalinity, trace elements in water, annual average temperature, annual average wind speed, annual average relative humidity, annual accumulated temperature, species diversity and dominant bacteria. In the application, each production area factor is valued (scored) according to the grading evaluation standard of each production area factor, the optimal grade corresponds to a score of 3 points, the first grade corresponds to a score of 2 points, and the second grade corresponds to a score of 1 point; finally, the comprehensive total score of the production area is calculated according to the production area evaluation model, and the comprehensive total score of the production area is brought into the production area grade table to obtain the production area grade.

[0026] In the application, the grading evaluation standard of the production area is divided into three grades, from high to low, they are grade I, grade II and grade III; the comprehensive total score of the production area corresponding to the grade I is greater than 80; the comprehensive total score of the production area corresponding to the grade II is 60-80; the comprehensive total score of the production area corresponding to the grade III is less than 60; the production area corresponding to the grade I is the original habitat of Maotai-flavor liquor. In the application, as an implementable mode, the grade I production area of Maotai-flavor liquor in Guizhou Province corresponds to the production area in the north of Dàlǒ Mountain in Guizhou Province.

[0027] ​​In the present application, the geological detection index preferably includes lithology and structure. In the present application, the lithology refers to some properties reflecting the characteristics of rocks, such as composition, color, structure, cement, cement type, special minerals, etc.; the structure, also known as structural mark, is a small and medium-sized mark generated in the formation process of geological body or rock, or a mark generated after deformation and displacement, such as fold, fault, cleavage, lineation, joint and bedding, ripple mark, etc. In the present application, the geological detection preferably adopts the way of geological survey, and the geology in different regions and at different altitudes is sampled and selected from the liquor producing area for qualitative and quantitative analysis. Those skilled in the art can detect the lithology and structure of the geology according to the conventional way, and can also refer to the data of the Geological Survey Institute. In the present application, the grade evaluation standard of the geology is divided into three grades from high to low, i.e. excellent grade, first grade and second grade; the lithology corresponding to the excellent grade is Jurassic purple rock series; the lithology corresponding to the first grade is carbonate rock, surrounded by Jurassic purple rock series; the lithology corresponding to the second grade is carbonate rock and others; the structure corresponding to the excellent grade is tight syncline valley; the structure corresponding to the first grade is wide and gentle syncline or monoclinal valley; the structure corresponding to the second grade is anticline valley and others.

[0028] In the present application, the geographical detection index preferably includes topography and geographical position; in the present application, the geographical detection preferably adopts the mode of geochemical exploration to qualitatively and quantitatively analyze geology in different regions and at different altitudes sampled from liquor producing areas, and those skilled in the art can detect topography and geographical position according to conventional modes. In the present application, the geographical grade evaluation standard is divided into three grades from high to low in turn as excellent grade, first grade and second grade; the topography corresponding to the excellent grade is V-shaped valley; the topography corresponding to the first grade is open valley; the topography corresponding to the second grade is other; the geographical position corresponding to the excellent grade is the north foot of Dalou Mountain producing area; the geographical position corresponding to the first grade is Dalou Mountain producing area; the geographical position corresponding to the second grade is Guizhou producing area. In the present application, the north foot of Dalou Mountain producing area preferably refers to the liquor production area at the north foot of Dalou Mountain in Guizhou Province; Dalou Mountain producing area preferably refers to the liquor production area covered by Dalou Mountain in Guizhou Province; Guizhou producing area preferably refers to the liquor production area in Guizhou Province except for Dalou Mountain producing area. In the present application, when the geographical position is determined as the north foot of Dalou Mountain producing area, the distance from the river and the relative height also need to be considered. The distance from the river refers to the shortest horizontal distance from the producing area to the nearest bank of Chishui River; the relative height refers to the shortest vertical distance from the producing area to the nearest river surface of Chishui River. When the distance from the river is < 250 m, the corresponding score is 3 points; when the distance from the river is 250-400 m, the corresponding score is 2 points; when the distance from the river is > 400 m, the corresponding score is 1 point; when the relative height is < 300 m, the corresponding score is 3 points; when the relative height is 300-600 m, the corresponding score is 2 points; when the distance from the river is > 600 m, the corresponding score is 1 point. In the present application, as an implementable mode, when the geographical position is determined as the north foot of Dalou Mountain producing area, i.e. the geographical position is determined as the excellent grade, the score is 3 points, the weight of the north foot of Dalou Mountain producing area accounts for 2 / 3, the weight of the distance from the river accounts for 1 / 6, and the weight of the relative height accounts for 1 / 6. For example, when the geographical position is the north foot of Dalou Mountain producing area (the score is 3 points), the distance from the river is < 250 m (the score is 3 points), and the relative height is < 300 m (the score is 3 points), the calculation mode of the geographical position score is 3×2 / 3+3×1 / 6+3×1 / 6.

[0029] In the present application, the detection index of the soil includes soil type, soil pH and trace elements in the soil; the soil grade evaluation standard is divided into three grades, from high to low in turn are excellent grade, first grade and second grade; the soil type corresponding to the excellent grade is V type valley; the soil type corresponding to the first grade is open valley; the soil type corresponding to the second grade is other; the soil pH corresponding to the excellent grade is 6.5-8.0; the soil pH corresponding to the first grade is 6.0-6.5 or 8.0-8.5; the soil pH corresponding to the second grade is <6.0 / >8.5; the trace elements in the soil corresponding to the excellent grade is >0.4 mg / L; the trace elements in the soil corresponding to the first and second grades is <0.4 mg / L. In the present application, the detection of the soil should comply with the detection standard formulated by the state, preferably the national geological and mineral industry standard and the soil environmental quality standard GB15618 (a total of 54 items). In the present application, the detection of the soil pH is preferably the determination of the soil pH value. In the present application, the detection method of the soil pH can adopt the soil pH detection method well known in the art, preferably the electrode method or the litmus paper colorimetric method to determine the soil pH value. In the present application, the grade evaluation standard of the trace elements in the soil preferably takes the selenium content in the soil as the standard, and the determination of the trace elements in the soil can adopt the determination method well known in the art, preferably including optical analysis method (such as atomic absorption spectrometry, atomic emission spectrometry, etc.), instrument combination method (such as inductively coupled plasma mass spectrometry, etc.) and electrochemical method.

[0030] In the present application, the detection index of the hydrology includes water pH and trace elements in the water; the hydrology grade evaluation standard is divided into three grades, from high to low in turn are excellent grade, first grade and second grade; the water pH corresponding to the excellent grade and the first grade is 6.5-8.5; the water pH corresponding to the second grade is <6.5 / >8.5; the trace elements in the water corresponding to the excellent grade is >0.4 mg / L; the trace elements in the water corresponding to the first grade is <6.5 / >8.5; the trace elements in the water corresponding to the second grade is <0.2 mg / L. In the present application, the detection standard of the hydrology should comply with the detection standard formulated by the state, such as the detection standard of the hydrology should comply with the basic item standard limit value of the surface water environmental quality standard GB3838-2002 (a total of 23 items) or comply with the surface water source of centralized drinking water GB3838-2002 (a total of 20 items). In the present application, the grade evaluation standard of the trace elements in the water preferably takes the strontium content in the water as the standard. In the present application, the detection of the water pH can adopt the detection method well known in the art, preferably the indicator method or the titration method. In the present application, the detection of the trace elements in the water can adopt the detection method well known in the art, including but not limited to gas chromatography, liquid chromatography, mass spectrometry or spectroscopy.

[0031] In the present application, the detection index of the climate includes annual average temperature, annual average wind speed, annual average relative humidity and annual accumulated temperature; the grade evaluation standard of the climate is divided into three grades, from high to low in turn are excellent level, first level and second level; the annual average temperature corresponding to the excellent level is 14-18℃; the annual average temperature corresponding to the first level and the second level is <14℃ / 18℃; the annual average wind speed corresponding to the excellent level is <1.5m / s; the annual average wind speed corresponding to the first level is 1.5-3.3m / s; the annual average wind speed corresponding to the second level is >3.3m / s; the annual average relative humidity corresponding to the excellent level and the first level is 75-80%; the annual average relative humidity corresponding to the second level is <75% / 80%; the annual accumulated temperature corresponding to the excellent level is >5000℃; the annual accumulated temperature corresponding to the first level and the second level is 2000-5000℃. In the present application, the annual average temperature, the annual average wind speed, the annual average relative humidity and the annual accumulated temperature can be based on the results monitored and published by the meteorological department.

[0032] In the present application, the detection index of the microorganism includes species diversity and dominant genus; the grade evaluation standard of the microorganism is divided into three grades, from high to low in turn are excellent level, first level and second level; the species diversity corresponding to the excellent level is rich; the species diversity corresponding to the first level is relatively rich; the species diversity corresponding to the second level is moderate; the dominant genus corresponding to the excellent level is >10 species; the dominant genus corresponding to the first level and the second level is 5-10 species. In the present application, preferably, high-throughput sequencing is used to carry out gene sequencing on the microorganism in the production area, and the type, abundance and dominant genus of the microorganism are analyzed. In the present application, the species diversity is comprehensively evaluated according to the Shannon index of bacteria and fungi in the production area environment.

[0033] The present application provides an application of the comprehensive evaluation method in the evaluation of Maotai-flavor liquor production area.

[0034] The technical solutions provided by the present application will be described in detail below in conjunction with the examples, but they should not be understood as limiting the scope of protection of the present application.

[0035] The experimental methods in the following examples are all conventional methods unless otherwise specified. The test materials used in the following examples are all commercially available products unless otherwise specified.

[0036] Example 1

[0037] A comprehensive evaluation method of liquor production area, comprising the following steps:

[0038] The production area of liquor is evaluated from six dimensions of geology, geography, soil, hydrology, climate and microorganism, the six dimensions of the production area are scored according to the production area evaluation model, the comprehensive total score of the production area is obtained, and after conversion to percentage system, the production area grade is obtained by comparing with the production area grade table;

[0039] The production area evaluation model is shown in the following formula:

[0040]

[0041] In the formula, I p represents the comprehensive total score of the production area; a i represents the weight of the i-th production area factor; M i represents the grading assignment of the i-th production area factor.

[0042] Among them, the geological detection index includes lithology and structure, and the geological index requirement should meet the provisions of Table 1;

[0043] Table 1 Geological index requirements

[0044] Index Superior First class Second class Lithology Mainly Jurassic purple rock series Mainly carbonate rock, surrounded by Jurassic purple rock series Carbonate rock and others Structure Closed syncline valley Wide syncline / monoclinal valley Anticline valley and others

[0045] The geographical detection index includes topography and geographical location, and the geographical index requirement should meet the provisions of Table 2;

[0046] Table 2 Geographical index requirements

[0047]

[0048] The soil detection index includes soil type, soil pH, and trace elements in soil, and the soil index requirement should meet the provisions of Table 3;

[0049] Table 3 Soil index requirements

[0050]

[0051] The hydrological detection index includes water pH and trace elements in water, and the hydrological index requirement must meet the Class II water standard of GB3838, and should also meet the provisions of Table 4;

[0052] Table 4 Hydrological index requirements

[0053]

[0054] In Table 4, when the strontium content is 0.20 mg / L-0.40 mg / L, the water temperature of the water source should be above 25℃ to ensure water quality safety.

[0055] The climate detection index includes annual average temperature, annual average wind speed, annual average relative humidity, and annual accumulated temperature, and the climate index requirement should meet the provisions of Table 5;

[0056] Table 5 Climate index requirements

[0057]

[0058] The detection indicators of microorganisms include species diversity and dominant genera, and the microbial indicators shall meet the requirements of Table 6;

[0059] Table 6 Microbial indicator requirements

[0060]

[0061] The species diversity of microorganisms is comprehensively evaluated according to the Shannon index of bacteria and fungi in the production area environment.

[0062] The production area grade table is shown in Table 7:

[0063] Table 7 Production area grade table

[0064] Production area grade Class I Class II Class III Production area comprehensive total score (percentage) > 80 points 60-80 points < 60 points

[0065] The weights of the six dimensions of geology, geography, soil, hydrology, climate, and microorganisms and the 15 production area factors are shown in Table 8;

[0066] Table 8 Weight distribution of six dimensions in production area grade evaluation

[0067]

[0068]

[0069] Test Example 1

[0070] (I) Production area range division

[0071] 1. Division principles

[0072] According to geographical features, brewing history, and industrial concentration degree, etc. factors, the production areas within the geographical range of Guizhou Province are divided.

[0073] 2. Production area division

[0074] Dalongshan north foot production area: the liquor production area in the north foot of the Dalou Mountain in Guizhou Province.

[0075] Dalongshan production area: the liquor production area covered by the Dalou Mountain in Guizhou Province.

[0076] Guizhou production area: the liquor production area within the territory of Guizhou Province except the Dalou Mountain production area.

[0077] 3. Production area division schematic diagram

[0078] The division of Guizhou Maotai-flavor liquor production area is shown in Figure 1 .

[0079] (II) Production area evaluation requirements

[0080] The grade classification standard of Example 1 was used to evaluate the production area grade of Jiangxiang Baijiu 'Guangming Yue' from six dimensions of geology, geography, soil, hydrology, climate and microorganisms. The microorganism detection index of Jiangxiang Baijiu 'Guangming Yue' is shown in Table 9; the production area grade evaluation is shown in Table 10.

[0081] Table 9 Detection of dominant bacterial genera in the production area of Jiangxiang Baijiu 'Guangming Yue'

[0082] Index Bright moon Index rating The number of dominant bacterial genera 12 species Class I

[0083] Table 10 Grade evaluation of the production area of Jiangxiang Baijiu 'Guangming Yue'

[0084]

[0085]

[0086] According to the production area evaluation model, each dimension of the production area was scored to obtain the comprehensive total score of the production area. After conversion to the percentage system, the production area grade of Guangming Yue was obtained. The specific calculation method is as follows:

[0087] The comprehensive total score of the production area environment of Guangming Yue (I p ) = {0.2 x (0.6 x 3 + 0.4 x 3) + 0.15 x [0.3 x 3 + 0.7 x ((2 + (0.5 x 2) / 3) + (0.5 x 3) / 3)] + 0.15 x (0.5 x 3 + 0.3 x 3 + 0.2 x 2) + 0.15 x (0.5 x 3 + 0.5 x 3) + 0.15 x (0.25 x 3 + 0.25 x 3 + 0.25 x 3 + 0.25 x 3) + 0.2 x (0.4 x 3 + 0.6 x 3)} x 100 / 3 = 98.4;

[0088] According to the production area grade table (Table 7), the production area grade of Jiangxiang Baijiu 'Guangming Yue' is grade I.

[0089] The above is only the preferred embodiment of the present application. It should be noted that for those skilled in the art, without departing from the principles of the present application, several improvements and refinements can be made, which should also be considered within the scope of protection of the present application.

Claims

1. A comprehensive evaluation method for baijiu (Chinese liquor) producing areas, characterized in that, Includes the following steps: The production areas of baijiu are evaluated from six dimensions: geology, geography, soil, hydrology, climate and microorganisms. The six dimensions of the production area are scored according to the production area evaluation model to obtain the comprehensive total score of the production area. After being converted into a percentage system, the production area level is obtained by referring to the production area level table. The production area evaluation model is shown in the following formula: In the formula, I p The overall score of the representative production area; a i The weight representing the factor of the i-th production area; M i This represents the grading assignment of the i-th production area factor.

2. The comprehensive evaluation method according to claim 1, characterized in that, The evaluation criteria for the production area are divided into three levels, from highest to lowest: Level I, Level II, and Level III. The total score of the production area corresponding to Level I is >80; the total score of the production area corresponding to Level II is 60-80; and the total score of the production area corresponding to Level III is <60. The production area corresponding to Level I is the origin of Maotai-flavor liquor.

3. The comprehensive evaluation method according to claim 1, characterized in that, The geological testing indicators include lithology and structure; the geological grading standards are divided into three levels, from high to low: superior, first-level, and second-level; the superior grade corresponds to the Jurassic purple rock series; the first-level corresponds to the carbonate rock series surrounded by Jurassic purple rock series; the second-level corresponds to the carbonate rock series and others; the superior grade corresponds to the closed syncline forming a valley; the first-level corresponds to the broad and gentle syncline or monocline forming a valley; the second-level corresponds to the anticline forming a valley and others.

4. The comprehensive evaluation method according to claim 1, characterized in that, The geographical indicators include topography and geographical location; the geographical grading standards are divided into three levels, from high to low: excellent, first-level, and second-level; the topography corresponding to excellent level is a V-shaped valley; the topography corresponding to first-level level is an open valley; the topography corresponding to second-level level is other; the geographical location corresponding to excellent level is the northern foothills of the Dalou Mountains; the geographical location corresponding to first-level level is the Dalou Mountains production area. The geographical location corresponding to the second level is the Guizhou production area.

5. The comprehensive evaluation method according to claim 1, characterized in that, The soil testing indicators include soil type, soil pH, and trace elements. The soil grading standard is divided into three grades, from highest to lowest: excellent, first-grade, and second-grade. The soil type corresponding to excellent grade is a V-shaped valley; the soil type corresponding to first-grade is an open valley; and the soil type corresponding to second-grade is other. The soil pH corresponding to excellent grade is 6.5–8.0; the soil pH corresponding to first-grade is 6.0–6.5 or 8.0–8.5; the soil pH corresponding to second-grade is <6.0 / >8.5; the trace element content corresponding to excellent grade is >0.4 mg / L; and the trace element content corresponding to first-grade and second-grade soils is <0.4 mg / L.

6. The comprehensive evaluation method according to claim 1, characterized in that, The hydrological detection indicators include the acidity / alkalinity and trace elements in the water; the hydrological grading evaluation standard is divided into three levels, from high to low: excellent, level one, and level two; the acidity / alkalinity of the water corresponding to excellent and level one is 6.5–8.5; the acidity / alkalinity of the water corresponding to level two is <6.5 / >8.5; the trace element concentration in the water corresponding to excellent is >0.4 mg / L; the trace element concentration in the water corresponding to level one is <6.5 / >8.5; and the trace element concentration in the water corresponding to level two is <0.2 mg / L.

7. The comprehensive evaluation method according to claim 1, characterized in that, The climate monitoring indicators include average annual temperature, average annual wind speed, average annual relative humidity, and annual accumulated temperature. The climate grading standard is divided into three levels, from highest to lowest: Excellent, Level 1, and Level 2. The average annual temperature for Excellent is 14–18℃; the average annual temperature for Level 1 and Level 2 is <14℃ / >18℃. The average annual wind speed for Excellent is <1.5 m / s; the average annual wind speed for Level 1 is 1.5–3.3 m / s; the average annual wind speed for Level 2 is >3.3 m / s. The average annual relative humidity for Excellent and Level 1 is 75–80%; the average annual relative humidity for Level 2 is <75% / >80%. The annual accumulated temperature for Excellent is >5000℃; the annual accumulated temperature for Level 1 and Level 2 is 2000–5000℃.

8. The comprehensive evaluation method according to claim 1, characterized in that, The detection indicators for the microorganisms include species diversity and dominant genera; the evaluation criteria for the microorganisms are divided into three levels, from high to low: superior, first-level, and second-level; the superior level corresponds to rich species diversity; the first-level level corresponds to relatively rich species diversity; the second-level level corresponds to moderate species diversity; the superior level corresponds to more than 10 dominant genera; and the first and second levels correspond to 5 to 10 dominant genera.

9. The comprehensive evaluation method according to claim 8, characterized in that, The species diversity is comprehensively evaluated based on the Shannon index of bacteria and fungi in the production area environment.

10. The application of the comprehensive evaluation method according to any one of claims 1 to 9 in evaluating the production areas of Maotai-flavor liquor.

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