यह अन्त: स्यन्दन मापन का एक उपकरण है। यह दो संकेन्द्री वलयों से बना होता है जिसे भूमि में गाड़ा जाता है तथा मृदा सतह पर जल का निर्धारित स्तर बनाए रखा जाता है।
This is an instrument used for the measurement of infiltration. It consists of two concentric rings which are inserted into the ground and water is maintained on the soil surface to a common fixed level.
This is an instrument used for the measurement of infiltration. It consists of two concentric rings which are inserted into the ground and water is maintained on the soil surface to a common fixed level.
