A system measuringsoilmoisture in sunlight greenhouse is studied and designed in the paper and the plan design, circuit design and choice of sensor are introduced.
通过研究设计了可用于温室土壤水分的测量系统，介绍了其方案设计、电路设计和传感器的选择等问题。
3
Tension infiltration meter is a kind of devices measuringsoilmoisture and solute movement parameters on the spot according to multi-dimensional infiltration theory.