Regeneration age 第1页

DISCUSSION ON MATURE AGE AND REGENERATION AGE OF POPULUS GANSUENSIS SHELTERBELTS FOR CROP IN DIFFERENT SOIL TYPES IN HEXI CORRIDOR Study on Regeneration Age of Farm poplar Shelter Belt in Huanghe Flooding Plain STUDIES ON THE PROTECTIVE MATURITY PERIOD AND REGENERATION AGE OF PINUS THUNBERGII PROTECTION FOREST ON SANDY COAST,SHANDONG PROVINCE