Comparative Anatomy of Normal Wood and Compression Wood of Masson Pine(Pinus massoniana) STUDIES ON THE PROPERTIES OF TENSION WOOD IN KALOPANAX SEPTEMLOBUS (THUNB. )KOIDZ Comparison of Quality of Pulping and Paper-Making between Normal Wood and Tension Wood of Poplar Clone 107 (Populus×euramericana ‘Neva’) Tree