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土壤水分运动与土壤结构关系测定分析系统技术简介:该系统包括供水系统、试验土柱和数据采集分析系统,通过可升降的供水系统向试验土柱均匀恒定供给含有示踪剂的水流,在试验过程中,根据需要设定时间间隔,启动数据采集分析系统,通过便携式X光机扫描不同高度土壤图像,采用ImageJ图像处理分析软件,分析土壤结构的状况。该系统实现了高精度实时采集灌溉过程中土壤结构数据和图像并进行分析,解决了目前研究中测定方法精度低、费时费力的问题。主要性能指标:有机玻璃土柱的直径为20cm。土壤水分传感器;测量参数为土壤容积含水量,精度为±3%,探针长度为
Soil moisture movement and soil structure determination and analysis system Technical Description: The system includes water supply system, test soil column and data acquisition and analysis system, through the ascension of the water supply system to the test soil column uniform constant supply of tracer containing water flow in the test During the process, the time interval is set according to the needs, the data acquisition and analysis system is started, the soil images of different heights are scanned by a portable X-ray machine, and the image structure analysis is analyzed by using ImageJ image processing analysis software. The system realizes real-time data acquisition and analysis of soil structure during irrigation and solves the problem of low precision and time-consuming determination method in the current research. Main performance indicators: Plexiglass soil column diameter of 20cm. Soil moisture sensor; Measurement parameters for soil volumetric water content, accuracy of ± 3%, probe length