A Study on Selection of Second Generation Progeny Testing of Eucalyp tus urophylla SUSTAINED EFFECTS OF MYCORRHIZAL FUNGUS PISOLITHUS TINCTORIUS ON THE GROWTH OF EUCALYPTUS GRANDIS×E. UROPHYLLA A Study on the Density Control of Second-generation Eucalyptus grandis × E. urophylla Stand by Sprout Regeneration Embroyogen ic Ca llus Induction and Plant Regenera tion ofClones GL9 of Euca lyptus grandis ×E. u rophylla EFFECTS OF DIFFERENT THINNING INTENSITY ON THE STAND PRODUCTIVITY OF EUCALYPTUS GRANDIS × E.UROPHYLLA Study on Trial of Eucalyptus Species/Provenance