Soil sensors are devices used to measure various properties of soil, such as moisture, temperature, and nutrient levels. These sensors help farmers and gardeners monitor soil conditions, allowing them to make informed decisions about irrigation and fertilization. By providing real-time data, soil sensors can improve crop yields and promote sustainable farming practices. Typically, soil sensors are placed in the ground and can be connected to a smartphone or computer for easy access to the information they collect. They are an essential tool in modern agriculture, contributing to efficient resource management and better environmental stewardship.