Plantation Fertilization-Basic Technical Measures for Short-Rotation Industrial Plantation Management Afforestation Technique fo Short-rotation Industrial Timber Poplar Plantation on the Edge of Tenggeli Desert in Ningxia Study on the Site IndexModel of Euca lyptus Short-Rota tionIndustr ia l RawMa ter ia l Forest A STUDY ON THE DIRECTIVE CULTIVATION OF SHORT-ROTATIONAL MIDDLE AND SMALL TIMBER OF POPULUS EURAMERICANA CV.‘SACRAU 79‘ Variation of soil moisture content for Eucalyptus forests and its response to stand ages in Western Hainan The Relationship of Shade Tolerance of Poplar and Biomass Production under Different Plantation Density A STUDY ON THE SHORT ROTATION BROAD LEAVED FORESTS IN NORTHERN FUJIAN PROVINCE