MEASURING SYSTEM AND MEASURING METHOD FOR MEASURING AN EFFECTIVE RAINFALL COEFFICIENT ON FARMLAND

A measuring system for measuring an effective rainfall coefficient on a farmland is provided. The measuring system. comprises an effective rainfall measuring device and, a standard, rain gauge, wherein the effective rainfall measuring device comprises a 5 basement and an automatic weighing mechanism. arranged in the basement, a collecting barrel is arranged on the automatic weighing mechanism, and the depth of a containing cavity of the collecting barrel is in fit with the depths of main roots of crops; a barrel opening of the collecting barrel extends out of 10 the top wall of the basement and is flush with soil of surrounding farmland, a water outlet is formed in the bottom of the collecting barrel, and the standard rain gauge is arranged in the same farmland. A Heasuring method for Heasuring a effective rainfall coefficient on a farmland is further provided. 15 (+ Fig. l)