Definition of soil monitoring
Soil monitoring is an important environmental monitoring task that covers several aspects of testing. By using suitable measurement methods to determine various physical and chemical properties of soil, it can achieve the purpose of monitoring the current status of soil quality and so on.
In production life, people in various production processes will produce some pollutants, these pollutants are discharged through the form of wastewater, waste gas, waste residue, etc., and will eventually penetrate into the soil and groundwater, resulting in irreparable environmental pollution. In order to determine the content of pollutants in the soil, the type of pollutants, etc., it is necessary for professional testing instigation or third-party testing companies to carry out sampling and testing to determine the pollutants and the degree of contamination, etc., and usually this test is called soil monitoring.
Contents of soil monitoring
pH: An important indicator of soil acidity or alkalinity; when the pH is less than 7, the soil is acidic, and when the pH is greater than 7, the soil is alkaline. pH has a great influence on the chemical reactions in the soil and the nutrient uptake by plants.
Organic matter content: An important parameter reflecting soil fertility. Organic matter includes all kinds of organic matter, such as fresh organic matter, microorganisms, simple organic compounds, humus and semi-decomposed organic matter. These organic matters are essential for the water and fertile retention capacity of the soil.
Nutrient content: refers to the content of various major nutrient elements in the soil, such as nitrogen, phosphorus and potassium. These elements are key elements for plant growth and development.
Trace element content: This includes iron, zinc, copper, manganese, chromium, boron, zinc, etc. They are also critical to plant growth and development.
Soil structure: mainly refers to the size and arrangement of soil particles. Good soil structure improves soil aeration and water permeability, which is conducive to plant growth.
Moisture content: refers to the amount of water contained in the soil. Soil moisture has an important influence on plant growth and irrigation management.
Soil texture: refers to the relative proportion of soil particles, i.e. the proportion of sediment in the soil. Soil texture can affect its water retention and aeration, and thus plant growth.
Heavy metal content: refers to the content of heavy metal elements in the soil, such as cadmium, lead and mercury. The content of these heavy metal elements can reflect whether the soil is polluted or not.
Purpose of soil monitoring
Status monitoring of soil quality.
Dynamic monitoring of pollutant land treatment.
Soil background value investigation.
Relevant equipment for soil monitoring
Soil temperature and humidity sensor: can be buried in the ground, real-time monitoring of soil temperature, humidity, high measurement accuracy, fast response, stable output, applicable to a variety of soil quality.
Soil pH sensor: it can monitor the pH of the soil in real time and transmit the monitored data to the background in time, so that users can view the soil data through mobile phones or computers and make timely measures to regulate the soil situation to ensure that crops grow in a suitable soil environment.
Soil Nitrogen, Phosphorus and Potassium Sensor: According to the monitored soil Nitrogen, Phosphorus and Potassium content, planting managers can adjust the fertilization strategy in time to provide sufficient nutrients for crop growth.
Related systems for soil monitoring
Soil Moisture Monitoring Station: It can monitor the soil moisture content and water changes in real time, helping people to understand the degree of wetness and moisture condition of the soil, so as to guide agricultural production and rational water management.
Soil Moisture Monitoring System: It adopts solar power supply and can be installed in the field for a long time to realia continuous online monitoring of soil moisture. The system can be widely used in agriculture, forestry, geology, universities and scientific research.
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