【摘要】 目前有很多种实时监测土壤水分的方法,其中TDR法和FD法因具有众多优点,已经在生产实际中得到广泛应用。从这2种方法的基本理论、产生和应用发展方面进行分析;同时对最近几年来国内出现的基于SWR驻波率原理的土壤水分监测技术的发展现状做一介绍;并介绍一些国外的土壤水分监测技术及其在国内的应用。更多还原

【Abstract】 At present,there are many real-time monitoring methods to monitor the soil moisture.Because TDR and FD methods have many advantages, they have been widely used to monitor the soil moisture in the field of agriculture.In this paper,the two methods were analyzed from the basic theory,production and application;At the same time,the development situation of soil moisture monitoring techniques based on the SWR principle in China was introduced;Additionally,some overseas techniques of monitoring soil moisture and their application in China were also introduced.更多还原