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土壤水分传感器是监测农田水分状况的有效器件。它既可用于检测土壤水分状况,提供灌溉信号;又能配接在自动灌溉系统里实施灌溉自动化。由计时器控制的灌溉系统国外已有商品供应。国内也有类似的装置在运行。但这类自动灌溉系统是由一个预定的计时程
Soil moisture sensor is an effective device to monitor the water status of farmland. It can be used to detect soil moisture conditions, provide irrigation signals; but also with the automatic irrigation system in the implementation of irrigation automation. Irrigation systems controlled by timers already have a supply of goods abroad. There are similar devices in operation in China. However, this type of automatic irrigation system consists of a predetermined time schedule