Poplar tree 第1页

Productivity and turnover of fine roots in poplar tree and grass roots Nitrogen cycling and its dynamic feature in fine roots of poplar trees and herbs COMPARATIVE RESEARCH ON GROWTH AND WOOD PROPERTIES BETWEEN ROTTEN POPLAR TREE AND NORMAL ONE ON FLOOD BEACHES ALONG YANGTZER RIVER Bacteriostasis and Chemical Components of Pyroligneous Acid from Poplar Wood Internal and external nutrient cyclings ot poplar tree Ⅰ. Changes of nutrient storage in different parts of poplar tree before and after leaf fallen EFFECTS OF SECONDARY METABOLITES OF POPLAR TREES ON THE CARBOXYLESTERASE AND GLUTATHIONE-S-TRANSFERASE IN ANOPLOPHORA GLABRIPENNIS A MODELING APPROACH TO THE RELATIONSHIPS BETWEEN PLANTATION POPLAR WOOD PROPERTIES AND QUALITIES OF VENEER AND PLYWOOD EFFECTS OF FERTILIZATION IN THE DIFFERENT SITE TYPES OF SOIL FOR POPLAR TREE THE ICE NUCLEATION ACTIVE BACTERIA ON POPLAR TREES AND THEIR EFFECTS IN THE COURSES OF CAUSING FREEZING INJURY AND INDUCING FUNGOUS CANKER INTERRELATION BETWEEN CARBOXYLESTERASE AND GLUTATHIONE-S-TRANSFERASE IN APRIONA GERMARI LARVAE AND SECONDARY METABOLITES OF POPLAR TREES Promoting Effects of the Total Alkaloids of Sophora alopecuroides on Tree Growth Transferring and cycling of heavy metals in and out of poplar tree before and after its leaf fallen Comparative study on internal and external nutrient cyclings or poplar tree under different fertilizations Ⅱ.Effect of fertilization on concentration and storage of major nutrients in poplar leaves before and after leaf fallen Comparative study on internal and external nutrient cyclings or poplar tree under different fertilizations Ⅰ.Effect of fertilization on biomass or poplar tree and its internal and external cypling of N before and after leaf fallen