China fir 第1页

Response of Net Photosynthetic Rate in 18-year-old China Fir Shoots To Lightflecks STUDIES ON TYLENCHULUS SEMIPENETRANS COBB ATTACKING CUNNINGHAMIA LANCEOLATA DIFFERENTIATION OF JUVENILE WOOD ZONE AND EFFECT OF TREE GROWTH RATE ON INCREMENT OF THE JUVENILE WOOD Light responses of 18-year-old China fir shoots in relation to shoot ages and positions within crown RESEARCH ON EFFECT OF AMELIORATING SOIL PROPERTIES BY UNDERGROWTH VEGE TATION OF CHINA FIR