What is this agricultural system?

With the advance in agricultural technology, more and more farms adopt the latest technology to facilitate their farm management. However, most farm technology is not affordable and accessible for small farms. We want to create an intuitive sensor system with a reasonable price to benefit more small farms.  

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This agricultural system is designed to assist farmers in recording the soil moisture, humidity, and temperature. The users can tell the soil's moist status by using a more scientific method and monitoring the irrigation effectively, saving water and money.