Populus hopeiensis 第1页

STUDIES ON WATER ECOLOGY OF THE POPULUS HOPEIENSIS PLANTATION IN NORTHWESTERN SHANXI Physiological Responses and Their Correlations of Populus hopeiensisLeaves Under Osmotic Stress STUDIES ON CIRCULTION METHOD OF VEGETATIVE PROPAGATION OF POPULUS TOMENTOSA AND P.HOPEIENSIS A new variety of Populus from China