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对ＣａｔＮｏ５５００盐分传感器测定范围、平衡时间、土壤含水量下限等基本性能进行了研究和检验，并利用其测定了人工盐土和自然盐土的含盐量。结果表明，利用ＣａｔＮｏ５５００盐分传感器测定土壤盐分含量是可靠的
The basic properties of CatNo5500 salt sensor such as measuring range, equilibration time and lower limit of soil moisture content were researched and tested. The salt content of artificial saline soil and natural saline soil was also measured. The results show that the use of CatNo5500 salt sensor to determine soil salt content is reliable