Variation within tree 第1页

VARIATION WITHIN TREE OF WOOD ANATOMICAL PROPERTIES AND BASIC DENSITY OF I-214 POPLAR IN BEIJING AREA AND THEIR RELATIONSHIP MODELLING EQUATIONS VARIATION OF WOOD PROPERTIES WITHIN AND BETWEEN CAMPHOR TREE PLANTATION AND THEIR PREDICTING MODELS VARIATlON OF MECHANlCAL PROPERTIES AND WOOD DENSITY WITHIN TREES OF CHINESE-FIR