There are two types of field test, fixed-head and variated-head, use to measure the average infiltration rate on the paddy field.Each test proceed with three different ponding depth, 10cm, 15cm, 20cm.

• 平均入渗率量测分为定水头及变水头两种试验型态，并依10公分、15公分及20公分三种水深进行试验。