CN111896416A - Soil environment quality monitoring method - Google Patents
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- CN111896416A CN111896416A CN202010831530.6A CN202010831530A CN111896416A CN 111896416 A CN111896416 A CN 111896416A CN 202010831530 A CN202010831530 A CN 202010831530A CN 111896416 A CN111896416 A CN 111896416A
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Abstract
The invention relates to the technical field of soil quality detection, in particular to a soil environment quality monitoring method, which comprises the following steps: s1, realizing the timing collection of the target point soil sample according to a preset routing inspection path based on the sampling robot; the sampling robot collects soil samples according to a sampling depth preset by a target point; s2, dividing each soil sample into two parts, wherein one part is used for measuring the heavy metal content of the soil, and the other part is used for measuring the nutrient content of the soil; and S3, evaluating the soil quality according to the obtained heavy metal content and soil nutrient content of the soil based on a preset soil quality evaluation model. The invention can realize the rapid analysis and estimation of the soil environment quality and improve the accuracy of the soil environment quality analysis result.
Description
Technical Field
The invention relates to the technical field of soil quality detection, in particular to a soil environment quality monitoring method.
Background
Soil environment monitoring means that the environment quality (or pollution degree) and the change trend thereof are determined by measuring representative values of factors affecting the soil environment quality. Soil monitoring generally refers to soil environment detection, and generally comprises technical contents of distribution sampling, sample preparation, analysis methods, result characterization, data statistics, quality evaluation and the like.
At present, the existing soil environment quality monitoring method generally adopts a manual sampling mode to collect soil samples, time and labor are wasted, the randomness of sampling points is easy to reduce the accuracy of detection results, meanwhile, most of the existing environment detection methods can only obtain the soil environment quality currently detected, and the subsequent quality condition of the soil environment still needs manual detection.
Disclosure of Invention
In order to solve the problems, the invention provides a soil environment quality monitoring method, which can realize the rapid analysis and estimation of the soil environment quality and improve the accuracy of the soil environment quality analysis result.
In order to achieve the purpose, the invention adopts the technical scheme that:
a soil environment quality monitoring method comprises the following steps:
s1, realizing the timing collection of the target point soil sample according to a preset routing inspection path based on the sampling robot;
s2, dividing each soil sample into two parts, wherein one part is used for measuring the heavy metal content of the soil, and the other part is used for measuring the nutrient content of the soil;
and S3, evaluating the soil quality according to the obtained heavy metal content and soil nutrient content of the soil based on a preset soil quality evaluation model.
Furthermore, the sampling robot collects the soil sample according to a sampling depth preset by the target point.
Furthermore, the routing inspection path is planned according to the shape and size data of the soil area to be detected, the shape and size data are calculated based on the image of the soil area to be detected collected by the inorganic person, and 5 target points are arranged in each mu and distributed in a snake shape.
Further, in the step S2, dividing each soil sample into two parts, crushing one part, placing the crushed part in 6-10 times of deionized water, adding a certain amount of modified nano-magnetic iron oxide, stirring and mixing for 10-15min, taking out the modified nano-magnetic iron oxide, washing, and weighing to obtain the content parameters of heavy metals in the soil; and the other part is used for measuring the content of the soil nutrients by a soil measuring and formulating fertilizer applicator.
Further, the addition amount of the modified nano magnetic iron oxide is 1/500 of the amount of water.
Further, the method also comprises the step of outputting a corresponding soil remediation scheme according to the evaluation result of the soil quality when the evaluation result of the soil quality falls into a preset threshold.
And further, planning a fertilization scheme of each growth stage of the crops according to the soil nutrient content based on a preset crop nutrient demand model.
And further, the method also comprises the step of estimating the current soil nutrient content according to the soil nutrient content, a nutrient demand model of the crops and a fertilization strategy implemented after the soil nutrient content is determined.
The invention has the following beneficial effects:
based on sampling robot realizes the timing collection of target point soil sample according to the route of patrolling and examining of predetermineeing, when labour saving and time saving, can improve the rationality that soil sample sampling point arranged to can improve the accuracy nature of follow-up testing result.
And the automatic assessment of the soil quality is realized according to the obtained heavy metal content and the soil nutrient content of the soil based on a preset soil quality assessment model, so that the soil quality data can be quickly obtained.
And estimating the nutrient content of the current soil according to the nutrient content of the soil, a nutrient demand model of crops and a fertilization strategy implemented after the determination of the nutrient content of the soil, thereby realizing the acquisition of approximate data of the current quality condition of the soil without detection.
Heavy metal is adsorbed based on the modified nano magnetic iron oxide, and then the heavy metal content in the soil is detected by comparing the weight of the modified nano magnetic iron oxide before and after adsorption, so that the operation is convenient.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A soil environment quality monitoring method comprises the following steps:
s1, realizing the timing collection of the target point soil sample according to a preset routing inspection path based on the sampling robot; the sampling robot collects soil samples according to a sampling depth preset by a target point;
s2, dividing each soil sample into two parts, wherein one part is used for measuring the heavy metal content of the soil, and the other part is used for measuring the nutrient content of the soil; dividing each soil sample into two parts, crushing one part, putting the crushed part into deionized water of which the amount is 6-10 times that of the crushed part, adding a certain amount of modified nano magnetic iron oxide, stirring and mixing for 10-15min, fishing out the modified nano magnetic iron oxide, washing, and weighing to obtain the content parameters of heavy metals in the soil, wherein the addition amount of the modified nano magnetic iron oxide is 1/500 of the water dosage; measuring the nutrient content of the other part of the soil by a soil measuring and formulating fertilizer applicator;
and S3, based on a preset soil quality evaluation model (BP neural network model), realizing soil quality evaluation according to the obtained soil heavy metal content and soil nutrient content.
In this embodiment, the routing inspection path is planned according to the shape and size data of the soil area to be detected, the shape and size data are calculated based on the image of the soil area to be detected acquired by the inorganic person, and 5 target points are arranged per mu in a serpentine distribution.
Example 2
A soil environment quality monitoring method comprises the following steps:
s1, realizing the timing collection of the target point soil sample according to a preset routing inspection path based on the sampling robot; the sampling robot collects soil samples according to a sampling depth preset by a target point;
s2, dividing each soil sample into two parts, wherein one part is used for measuring the heavy metal content of the soil, and the other part is used for measuring the nutrient content of the soil; dividing each soil sample into two parts, crushing one part, putting the crushed part into deionized water of which the amount is 6-10 times that of the crushed part, adding a certain amount of modified nano magnetic iron oxide, stirring and mixing for 10-15min, fishing out the modified nano magnetic iron oxide, washing, and weighing to obtain the content parameters of heavy metals in the soil, wherein the addition amount of the modified nano magnetic iron oxide is 1/500 of the water dosage; measuring the nutrient content of the other part of the soil by a soil measuring and formulating fertilizer applicator;
s3, based on a preset soil quality evaluation model (BP neural network model), evaluating the soil quality according to the obtained soil heavy metal content and soil nutrient content;
and S4, when the soil quality evaluation result falls into a preset threshold, outputting a corresponding soil remediation scheme according to the soil quality evaluation result based on the nearest classifier.
In this embodiment, the routing inspection path is planned according to the shape and size data of the soil area to be detected, the shape and size data are calculated based on the image of the soil area to be detected acquired by the inorganic person, and 5 target points are arranged per mu in a serpentine distribution.
Example 3
A soil environment quality monitoring method is characterized by comprising the following steps:
s1, realizing the timing collection of the target point soil sample according to a preset routing inspection path based on the sampling robot; the sampling robot collects soil samples according to a sampling depth preset by a target point;
s2, dividing each soil sample into two parts, wherein one part is used for measuring the heavy metal content of the soil, and the other part is used for measuring the nutrient content of the soil; dividing each soil sample into two parts, crushing one part, putting the crushed part into deionized water of which the amount is 6-10 times that of the crushed part, adding a certain amount of modified nano magnetic iron oxide, stirring and mixing for 10-15min, fishing out the modified nano magnetic iron oxide, washing, and weighing to obtain the content parameters of heavy metals in the soil, wherein the addition amount of the modified nano magnetic iron oxide is 1/500 of the water dosage; measuring the nutrient content of the other part of the soil by a soil measuring and formulating fertilizer applicator;
s3, based on a preset soil quality evaluation model (BP neural network model), evaluating the soil quality according to the obtained soil heavy metal content and soil nutrient content;
and S4, planning the fertilization scheme of each growth stage of the crop according to the soil nutrient content based on the preset crop nutrient demand model.
In this embodiment, the routing inspection path is planned according to the shape and size data of the soil area to be detected, the shape and size data are calculated based on the image of the soil area to be detected acquired by the inorganic person, and 5 target points are arranged per mu in a serpentine distribution.
Example 4
A soil environment quality monitoring method is characterized by comprising the following steps:
s1, realizing the timing collection of the target point soil sample according to a preset routing inspection path based on the sampling robot; the sampling robot collects soil samples according to a sampling depth preset by a target point;
s2, dividing each soil sample into two parts, wherein one part is used for measuring the heavy metal content of the soil, and the other part is used for measuring the nutrient content of the soil; dividing each soil sample into two parts, crushing one part, putting the crushed part into deionized water of which the amount is 6-10 times that of the crushed part, adding a certain amount of modified nano magnetic iron oxide, stirring and mixing for 10-15min, fishing out the modified nano magnetic iron oxide, washing, and weighing to obtain the content parameters of heavy metals in the soil, wherein the addition amount of the modified nano magnetic iron oxide is 1/500 of the water dosage; measuring the nutrient content of the other part of the soil by a soil measuring and formulating fertilizer applicator;
s3, based on a preset soil quality evaluation model (BP neural network model), evaluating the soil quality according to the obtained soil heavy metal content and soil nutrient content;
and S4, estimating the current soil nutrient components according to the soil nutrient content, the nutrient demand model of the crops and the fertilization strategy implemented after the soil nutrient content is determined.
In this embodiment, the routing inspection path is planned according to the shape and size data of the soil area to be detected, the shape and size data are calculated based on the image of the soil area to be detected acquired by the inorganic person, and 5 target points are arranged per mu in a serpentine distribution.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (8)
1. A soil environment quality monitoring method is characterized by comprising the following steps:
s1, realizing the timing collection of the target point soil sample according to a preset routing inspection path based on the sampling robot;
s2, dividing each soil sample into two parts, wherein one part is used for measuring the heavy metal content of the soil, and the other part is used for measuring the nutrient content of the soil;
and S3, evaluating the soil quality according to the obtained heavy metal content and soil nutrient content of the soil based on a preset soil quality evaluation model.
2. The soil environment quality monitoring method of claim 1, wherein the sampling robot collects the soil sample according to a sampling depth preset by a target point.
3. The soil environment quality monitoring method according to claim 1, wherein the routing inspection path is planned according to shape and size data of the soil area to be detected, the shape and size data are calculated based on the image of the soil area to be detected collected by a mineral, and 5 target points are arranged per mu in a serpentine shape.
4. The soil environment quality monitoring method according to claim 1, wherein in step S2, each soil sample is divided into two parts, one part is crushed and then placed in 6-10 times of deionized water, a certain amount of modified nano-magnetic iron oxide is added, after stirring and mixing treatment for 10-15min, the modified nano-magnetic iron oxide is fished out, and after washing, weighing is performed to obtain the content parameters of heavy metals in the soil; and the other part is used for measuring the content of the soil nutrients by a soil measuring and formulating fertilizer applicator.
5. The soil environment quality monitoring method of claim 4, wherein the modified nano magnetic iron oxide is added in an amount of 1/500% of the amount of water.
6. The soil environment quality monitoring method according to claim 1, further comprising a step of outputting a corresponding soil remediation plan according to the soil quality evaluation result when the soil quality evaluation result falls within a preset threshold.
7. The soil environment quality monitoring method of claim 1, further comprising the step of planning fertilization schedules for each growth stage of the crop based on the soil nutrient content based on a preset crop nutrient demand model.
8. The method of claim 1, further comprising the step of estimating the current soil nutrient content based on the soil nutrient content, a model of nutrient requirements of the crop, and a fertilization strategy implemented after the determination of the soil nutrient content.
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Application publication date: 20201106 |