Field and greenhouse studies were conducted in Prince Edward Island (P. E.I.) on soybean (Glycine max (L.) Merr.), red clover (Trifolium praten.se L.), alfalfa
This paper studies photo-,cathodo-and X-ray luminescence of Ce~(3+) and Dy~(3+)mono-doped LABO_3samples or Ce~(3+),Dy~(3+) codoped LaBO_3 samples and the depen