CN107102023A - A kind of method of testing of Land-Use - Google Patents
A kind of method of testing of Land-Use Download PDFInfo
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- CN107102023A CN107102023A CN201710498416.4A CN201710498416A CN107102023A CN 107102023 A CN107102023 A CN 107102023A CN 201710498416 A CN201710498416 A CN 201710498416A CN 107102023 A CN107102023 A CN 107102023A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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- 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
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- 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
- G01N2033/245—Earth materials for agricultural purposes
Abstract
The invention discloses a kind of method of testing of Land-Use, by the pedotheque for gathering certain depth, splitting detection is carried out after pre-treatment, finally by detection soil total organic carbon, microbial biomass carbon, can mineralising carbon and the soil potassium sulfate extraction parameter such as carbon, draw Land-Use through comparing.The test that the present invention is provided is quick and easy, and the degree of accuracy is high, can effectively judge Land-Use, have labor to land use situation and nutrient situation.
Description
Technical field
The invention belongs to Land Information field, and in particular to a kind of method of testing of Land-Use.
Background technology
Different Land-Uses has different soil and vegetation and climate characteristic, and different soil and vegetation are to working as
The evolution of ground weather for a long time is adapted to, and causes the distribution of its organic matter to have differences, and is embodied in soil organic matter component and its is divided
In the difference of cloth.Over time and weather evolution, simple surface judges to be difficult to accurately to judge that soil is sharp
Situation, it is impossible to which Land Information is provided exactly.
The content of the invention
The purpose of the present invention be in view of the deficiencies of the prior art there is provided a kind of method of testing of Land-Use,
The method of testing is simple and quick, and the degree of accuracy is high, is easy to field quick detection, effectively provides soil accurate information.
In order to solve the above-mentioned technical problem, technical scheme is as follows：
A kind of method of testing of Land-Use, its step is as follows：
Step 1, the soil for being adapted to sampling is chosen, and carries out sample collection, is installed by region splitting, the sample is adopted
With stratified sampling, that is, it is divided into three layers, the upper, middle and lower；
Step 2, sample mill after pre-treatment and sifted out, continued splitting and install；
Step 3, the sample of step 2 is subjected to classification and Detection, obtain soil total organic carbon, microbial biomass carbon, can mineralising carbon
The parameters such as carbon are extracted with soil potassium sulfate；
Step 4, the comparison by above-mentioned parameter to sample, draws Land-Use.
The soil of the suitable sampling is more than 1m soil using soil thickness.
The sample uses stratified sampling, that is, is divided into three layers, including upper strata 0-20cm, middle level 20-40cm and lower floor
40-60cm, and pack of classifying.
The sample pre-treatments mode is to be air-dried under the conditions of lucifuge, discards the impurity such as plant residue, stone grain.
The sieve uses 0.15mm and 1mm sieve, and the filter type is adopted using ladder filtration method, i.e. same sample
Directly handled in place with the mode of double medium filtration.
The soil total organic carbon is determined with potassium bichromate Outside Heating Method；Microbial biomass carbon is determined with chloroform fumigating system；Can
Mineralising carbon is determined with indoor cultivation；Soil potassium sulfate extraction carbon K2SO4Extraction is determined.
The comparison method of the microbial biomass C is as follows：Microbial biomass carbon content first increases with the increase of depth of soil
Reduce after big, then the land use mode is field；Microbial biomass carbon content first reduces with the increase of depth of soil to be increased afterwards,
Then the land use mode is forest land；Microbial biomass carbon content is reduced with the increase of depth of soil, and the difference on middle level and upper strata
Value is arable land more than middle level and the difference of lower floor, then the land use mode；Microbial biomass carbon content with depth of soil increase
And reduce, and the difference and middle level on middle level and upper strata and the difference of lower floor are basically identical, then the land use mode is meadow.
The soil can mineralising carbon comparison method：Soil can mineralising carbon reduced with the increase of depth of soil, and middle level
Consistent with lower floor, then the land use mode is forest land；Soil can mineralising carbon reduced with the increase of depth of soil, and middle level with
The difference of the difference on upper strata and middle level and lower floor is basically identical, then the land use mode is arable land；Soil can mineralising carbon with soil
The increase of earth depth and reduce, and the difference on middle level and upper strata is less than the difference of middle level and lower floor, then the land use mode is
Field；Soil can mineralising carbon reduced with the increase of depth of soil, and the difference on middle level and upper strata is more than the difference of middle level and lower floor
Value, then the land use mode is meadow.
The soil potassium sulfate extracts the comparison method of carbon：Soil potassium sulfate extraction carbon drops with the increase of depth of soil
It is low, and middle level is consistent with upper strata, then the land use mode is forest land；Soil potassium sulfate extracts the increase of carbon depth and first increased
After reduce, and middle level is slightly above upper strata, then the land use mode is arable land；Soil potassium sulfate extracts increasing of the carbon with depth of soil
Plus and reduce, and the difference on middle level and upper strata is less than the difference of middle level and lower floor, then the land use mode is field；Soil sulphur
Sour potassium extraction carbon is reduced with the increase of depth of soil, and the difference on middle level and upper strata is less than three points of difference of middle level and lower floor
One of, then the land use mode is meadow.
The comparison method of the microbial biomass carbon/soil organic matter：The numerical value of microbial biomass carbon/soil organic matter is with depth
Degree and first increases and then decreases, and the difference in upper strata and middle level is more than two times of middle level and lower floor's difference, then the land use mode
For field；The numerical value of microbial biomass carbon/soil organic matter first increases and then decreases with depth, and the difference in upper strata and middle level is small
In middle level and two times of lower floor's difference, then the land use mode is meadow；The numerical value of microbial biomass carbon/soil organic matter with
Depth and first increases and then decreases, and the difference and middle level in upper strata and middle level and the difference of lower floor are basically identical, then the land use
Mode is arable land；The numerical value of microbial biomass carbon/soil organic matter is first reduced with depth to be increased afterwards, and the difference in upper strata and middle level
Value is more than two times of middle level and lower floor's difference, then the land use mode is forest land.
Pedotheque of the invention by gathering certain depth, carries out splitting detection, finally by inspection after pre-treatment
Survey soil total organic carbon, microbial biomass carbon, can the parameter such as mineralising carbon and soil potassium sulfate extraction carbon, draw land use through comparing
Mode.
Compared with prior art, the invention has the advantages that：
(1) test that the present invention is provided is quick and easy, and the degree of accuracy is high, Land-Use can be effectively judged, to soil
Ground service condition and nutrient situation have labor.
(2) it is practical present invention determine that the method degree of accuracy is high, it is adapted to field study.
Embodiment
The present invention is described further with reference to embodiment：
Embodiment 1
Ili River Valley is that Xinjiang weather is most humid, precipitation is most plentiful, vegetation soil develops most good area, is arid biogeographic zone
" wet island ".Soil types is numerous, and soil layer is more than 1m.
A kind of method of testing of Land-Use, its step is as follows：
Step 1, the soil for being adapted to sampling is chosen, and carries out sample collection, is installed by region splitting, the sample is adopted
With stratified sampling, that is, it is divided into three layers, the upper, middle and lower；
Step 2, sample mill after pre-treatment and sifted out, continued splitting and install；
Step 3, the sample of step 2 is subjected to classification and Detection, obtain soil total organic carbon, microbial biomass carbon, can mineralising carbon
The parameters such as carbon are extracted with soil potassium sulfate；
Step 4, the comparison by above-mentioned parameter to sample, draws Land-Use.
The sample uses stratified sampling, that is, is divided into three layers, including upper strata 0-20cm, middle level 20-40cm and lower floor
40-60cm, and pack of classifying.
The sample pre-treatments mode is to be air-dried under the conditions of lucifuge, discards the impurity such as plant residue, stone grain.
The sieve uses 0.15mm and 1mm sieve.
The soil total organic carbon is determined with potassium bichromate Outside Heating Method；Microbial biomass carbon is determined with chloroform fumigating system；Can
Mineralising carbon is determined with indoor cultivation；Soil potassium sulfate extraction carbon K2SO4Extraction is determined.
Table 1 is the soil parameters table of embodiment 1
By detecting that testing result and actual land used are basically identical to each land used soil of Ili River Valley.
Embodiment 2
Somewhere devastated land, soil types is single, and soil thickness is 1.33m.Method of testing is as follows：
Step 1, the soil for being adapted to sampling is chosen, and carries out sample collection, is installed by region splitting, the sample is adopted
With stratified sampling, that is, it is divided into three layers, the upper, middle and lower；
Step 2, sample mill after pre-treatment and sifted out, continued splitting and install；
Step 3, the sample of step 2 is subjected to classification and Detection, obtains microbial biomass carbon parameter；
Step 4, by the comparison of the microbial biomass carbon parameter of sample, Land-Use is drawn.
The sample uses stratified sampling, that is, is divided into three layers, including upper strata 0-20cm, middle level 20-40cm and lower floor
40-60cm, and pack of classifying.
The sample pre-treatments mode is to be air-dried under the conditions of lucifuge, discards the impurity such as plant residue, stone grain.
The sieve uses 0.15mm and 1mm sieve.
Table 2 is the microbial biomass C parameter list of embodiment 2
Using microbial biomass carbon as parameter, it is arable land to obtain the Land-Use in the wasteland by using test, with locality
Data bank content is consistent.
Embodiment 3
The stand-by commercial land in somewhere, soil types is single, and soil thickness is 1.51m.Method of testing is as follows：
Step 1, the soil for being adapted to sampling is chosen, and carries out sample collection, is installed by region splitting, the sample is adopted
With stratified sampling, that is, it is divided into three layers, the upper, middle and lower；
Step 2, sample mill after pre-treatment and sifted out, continued splitting and install；
Step 3, the sample of step 2 is subjected to classification and Detection, obtaining can mineralising carbon parameter；
Step 4, by sample can mineralising carbon parameter comparison, draw Land-Use.
The sample uses stratified sampling, that is, is divided into three layers, including upper strata 0-20cm, middle level 20-40cm and lower floor
40-60cm, and pack of classifying.
The sample pre-treatments mode is to be air-dried under the conditions of lucifuge, discards the impurity such as plant residue, stone grain.
The sieve uses 0.15mm and 1mm sieve.
Table 3 is that the soil of embodiment 3 can mineralising carbon parameter list.
Using can mineralising carbon as parameter, by can mineralising carbon the upper, middle and lower numeric ratio pair, show that this is commercially used
Ground is meadow.This is consistent with the data content of developer.
One embodiment of the invention is the foregoing is only, the present invention, all use equivalent substitutions or equivalent transformation is not intended to limit
The technical scheme that is obtained of mode, all fall within protection scope of the present invention.
Claims (10)
1. a kind of method of testing of Land-Use, its step is as follows：
Step 1, the soil for being adapted to sampling is chosen, and carries out sample collection, is installed by region splitting, the sample, which is used, to be divided
Layer sampling, that is, be divided into three layers, the upper, middle and lower；
Step 2, sample mill after pre-treatment and sifted out, continued splitting and install；
Step 3, the sample of step 2 is subjected to classification and Detection, obtain soil total organic carbon, microbial biomass carbon, can mineralising carbon and soil
The parameters such as earth potassium sulfate extraction carbon；
Step 4, the comparison by above-mentioned parameter to sample, draws Land-Use.
2. the method for testing of a kind of Land-Use according to claim 1, it is characterised in that the suitable sampling
Soil is more than 1m soil using soil thickness.
3. the method for testing of a kind of Land-Use according to claim 1, it is characterised in that the sample is adopted
With stratified sampling, that is, it is divided into three layers, including upper strata 0-20cm, middle level 20-40cm and lower floor 40-60cm, and pack of classifying.
4. a kind of method of testing of Land-Use according to claim 1, it is characterised in that the sample pre-treatments
Mode is to be air-dried under the conditions of lucifuge, discards the impurity such as plant residue, stone grain.
5. the method for testing of a kind of Land-Use according to claim 1, it is characterised in that the sieve is used
0.15mm and 1mm sieve, the filter type is direct by the way of double medium filtration using ladder filtration method, i.e. same sample
Processing is in place.
6. the method for testing of a kind of Land-Use according to claim 1, it is characterised in that the soil is always organic
Carbon is determined with potassium bichromate Outside Heating Method；Microbial biomass carbon is determined with chloroform fumigating system；Can the indoor cultivation measure of mineralising carbon；
Soil potassium sulfate extraction carbon K2SO4Extraction is determined.
7. a kind of method of testing of Land-Use according to claim 1, it is characterised in that the edaphon
The comparison method for measuring carbon is as follows：Microbial biomass carbon content first increases and then decreases, the then land use with the increase of depth of soil
Mode is field；Microbial biomass carbon content first reduces with the increase of depth of soil to be increased afterwards, then the land use mode is woods
Ground；Microbial biomass carbon content is reduced with the increase of depth of soil, and the difference on middle level and upper strata is more than the difference of middle level and lower floor
Value, then the land use mode is arable land；Microbial biomass carbon content is reduced with the increase of depth of soil, and middle level and upper strata
Difference and middle level and the difference of lower floor, then the land use mode is meadow.
8. the method for testing of a kind of Land-Use according to claim 1, it is characterised in that the soil can mineralising
The comparison method of carbon：Soil can mineralising carbon reduced with the increase of depth of soil, and middle level is consistent with lower floor, then the land use
Mode is forest land；Soil can mineralising carbon reduced with the increase of depth of soil, and difference and middle level and the lower floor on middle level and upper strata
Difference it is basically identical, then the land use mode for arable land；Soil can mineralising carbon reduced with the increase of depth of soil, and in
The difference on layer and upper strata is less than the difference of middle level and lower floor, then the land use mode is field；Soil can mineralising carbon with soil
The increase of depth and reduce, and middle level and upper strata difference be more than middle level and lower floor difference it is basically identical, then the land use
Mode is meadow.
9. a kind of method of testing of Land-Use according to claim 1, it is characterised in that the soil potassium sulfate
Extract the comparison method of carbon：Soil potassium sulfate extraction carbon is reduced with the increase of depth of soil, and middle level is consistent with upper strata, then should
Land use mode is forest land；Soil potassium sulfate extracts the increase of carbon depth and first increases and reduce afterwards, and middle level is slightly above upper strata,
Then the land use mode is arable land；Soil potassium sulfate extraction carbon is reduced with the increase of depth of soil, and middle level and upper strata
Difference is less than the difference of middle level and lower floor, then the land use mode is field；Soil potassium sulfate extracts carbon with depth of soil
Increase and reduce, and middle level and upper strata difference less than 1/3rd of the difference of middle level and lower floor, then the land use mode
For meadow.
10. a kind of method of testing of Land-Use according to claim 1, it is characterised in that the microbial biomass
The comparison method of carbon/soil organic matter：The numerical value of microbial biomass carbon/soil organic matter first increases and then decreases with depth, and
The difference in upper strata and middle level is more than two times of middle level and lower floor's difference, then the land use mode is field；Microbial biomass carbon/soil
The numerical value of earth organic carbon first increases and then decreases with depth, and the difference in upper strata and middle level is less than the two of middle level and lower floor's difference
Times, then the land use mode is meadow；The numerical value of microbial biomass carbon/soil organic matter first increases and then decreases with depth,
And the difference and middle level in upper strata and middle level and the difference of lower floor are basically identical, then the land use mode is arable land；Microbial biomass
The numerical value of carbon/soil organic matter is first reduced with depth to be increased afterwards, and the difference in upper strata and middle level is more than middle level and lower floor is poor
Two times of value, then the land use mode is forest land.
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| CN201710498416.4A CN107102023A (en) | 2017-06-27 | 2017-06-27 | A kind of method of testing of Land-Use |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2696440C1 (en) * | 2018-12-10 | 2019-08-01 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный университет имени М.В. Ломоносова" (МГУ) | Method for assessment of soil toxicity reduction when introducing whey or manure |
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| RU2696440C1 (en) * | 2018-12-10 | 2019-08-01 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный университет имени М.В. Ломоносова" (МГУ) | Method for assessment of soil toxicity reduction when introducing whey or manure |
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