MULTITRACER STUDY ON THE BEHAVIOR OF VARIOUS ELEMENTS IN ATMOSPHERE PLANT-SYSTEMS

The direct absorption of atmospheric elements via soybean leaves has b een studied using a radioactive miltitra oer technique. Soybean was cu ltivated until it bore seeds in a box under no-rain conditions and wit h introduction of multitracer-adsorbed cellulose powders. The radioact ive nuclides of 40 elements were produced from Au target irradiated wi th N-14, and the nuclides with relatively long half-life of the elemen ts Sc, Mn, Co, As, Se, Rb, Sr, Y, Eu, Gd, Yb, Re, and Ir were dominant ly observed in each part of soybean plant.