Soundness evaluation method of vascular plants, irrigation how to vascular plants, film-like electret sensor and film-like ECM array

摘要

It decides,_b1b2b3b4 whether or not it measures the generation frequency of the elastic wave which is generated the frame (2,2,2,2) the elastic wave reception component which is locked (11a, 11b, 11c and 11d) with, by cavitation, respectively at front and back of change of the water stress, for the vascular bundle plant at front and back of change from generation frequency of the elastic wave which was respectively measured, it calculates the rate of change of generation frequency, from the rate of change which was calculated, it has reached to the level which cannot restore enborizumu of vascular bundle system, it includes the affusion time to the vascular bundle plant and the fact that water content is decided this decision result as a collimating mark.