- Wind Sensor
- Radiation Sensor
- Ambient Sensor
- Rain Gauge
- Soil Sensor
- Data Logger
- Weather Station
- Water Sensor
- Radiation Shield
Types of soil sensors
Soil is the foundation of the terrestrial ecosystem, which has the function of maintaining biodiversity, maintaining water, nutrients, and oxygen. Soil provides the necessary nutrients for plant growth and is the basis for plant growth. In the whole process of plant life, the soil has the ability to supply and coordinate the nutrients, water, air and heat required for the normal growth and development of plants. However, plants have different requirements for soil conditions, and they also have different requirements at different growth periods, and there is no uniform condition.
For soil, people generally use soil sensors for monitoring according to their needs. What types of soil sensors are there?
Soil ph sensor
Soil ph value represents soil pH. Its level not only affects the ionic form and availability of large and trace elements in the soil, but also It has a significant impact on the life activities of microorganisms in the soil, and too low or too high pH will affect nutrient absorption.
The soil pH sensor is composed of a metal sensor and a function value switching device. As the core hardware system, the metal sensor is in direct contact with the soil during detection, and uses the oxidation reaction in the chemical reaction to generate current. The magnitude of the current value will drive the data of different ph value units corresponding to the ammeter, and the value can be directly displayed to people through the host conversion. .
Soil moisture refers to the water content of the soil, which is the most important and commonly used soil information. It is the basis for scientifically controlling and adjusting the soil condition, carrying out water-saving irrigation, and realizing scientific water use and irrigation automation. Due to the spatial variability of soil structure and soil moisture, the soil moisture content in the same plot is different, which requires the determination of soil moisture content.
The soil moisture sensor is also called a soil moisture sensor. It cooperates with temperature, light, acid, salt and other sensors, and then connects to a computer to analyze and research crop growth, so as to control crops to always grow at a suitable level. Environmental conditions.
The soil moisture sensor can also measure temperature, humidity, and conductivity.
Soil temperature sensor
Soil temperature is an important environmental factor for direct or indirect plant growth and development. It is one of the important parameters of soil monitoring. It affects It affects a series of physical, chemical and biochemical processes in the soil, and is closely related to crop growth, development and physiological processes. According to research, soil temperature affects the physiological process, external shape and internal structure of crops, and has direct guiding significance for the early and late planting of crops. At the same time, soil temperature is also an important parameter and basis in the establishment of ecological models and soil classification. At present, soil temperature measurement and forecasting mainly adopt contact, non-contact and simulation methods.
Soil temperature and humidity sensor
Soil temperature and humidity sensor is equal to the combination of soil temperature sensor and soil humidity sensor. The monitoring of soil temperature and humidity can allow us to understand the soil conditions in a timely manner, analyze the soil drought and flood conditions and the impact on the growth and development of crops in a timely manner, which is helpful for the transformation of traditional agriculture to modern agriculture and promotes the development of 'smart agriculture'. In addition, based on the measured soil temperature and humidity data, natural disasters such as floods and droughts can be predicted in time to provide assistance for the protection and construction of the ecological environment.
In addition to the soil temperature and humidity sensor, there is also a tubular soil moisture monitor that uses TDR measurement. This
sensor is based on the principle of dielectric constant, which can monitor soil temperature and humidity in different layers in real time, realize dynamic observation of soil moisture content in each soil layer, visualize soil salt accumulation, and be able to monitor different soil layers. The temperature and humidity of the soil can be monitored quickly and accurately. Soil parameter rapid testers are widely used in soil testing in fields such as smart agriculture, orchard nurseries, demonstration parks, and smart cities.
Soil Nitrogen, Phosphorus and Potassium Sensor
Nitrogen, Phosphorus and Potassium are essential elements for plant growth and development, and they are also the three most demanding elements Element. In the soil, nitrogen, phosphorus, and potassium basically exist in the form of organic compounds, but they are returned to the soil in the form of remnants and roots, but not many, and cannot be used directly by plants. In agricultural production, the content of available nitrogen, phosphorus and potassium is an important indicator to measure soil fertility and guide production.
The advancement of science and technology has resulted in a richer selection of soil sensors. We can not only choose a sensor that combines the three parameters of soil moisture content, electrical conductivity and temperature, but also can choose a soil parameter rapid measuring instrument that can simultaneously monitor moisture, temperature and humidity, pH, nitrogen, phosphorus and potassium, and electrical conductivity. I believe that with development, soil sensors will become more and more intelligent, and our choices will become more diversified.
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