| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a field management device easily installable in terms of a price and an operation because a price was high and attaching work and operation were difficult before since plural equipments for managing a field are required. SOLUTION: This device is constituted of sensors 1-4 for measuring plural soil components in the field, a sensor amplifier 6 provided with input ports from the plural sensors and provided with a function for performing the analog signal processing of signals from the sensors, converting the analog signals to digital signals and performing the digital signal processing of the digital signals further, a storage device 7 for storing the digital signals from the sensor amplifier 6 and a personal computer 17 provided with a radio equipment for accessing the storage device 7 and the radio equipment for accessing the field.</p> |
