Populus deltoides cv. 第1页

EFFECTS OF STAND DENSITY ON CROWN ARCHITECTURE AND DISTRIBUTION OF LIGHT ENERGY IN POPULUS DELTOIDES CV. ‘LUX’ I-69/55 PLANTATION RESEARCH ON GROWTH RESPONSE OF 0POPULUS DELTOIDES CV. “LUX” TO SITE PREPARATION AND FERTILIZATION Research on the Growth Pattern and Nutrient Characteristics in the Plantation of Populus deltoides cv.“LUX”I-69 A PRELIMINARY STUDY ON THE CAUSES AND USE OF PREFERENCE OF APRIONA GERMARI ADULTS SUPPLEMENTARY NUTRITION FOR MULBERRY AND PAPERMULBERRY Ion and Nutrient Status in Rhizospheres of Poplar Stands at Different Ages THE STUDY ON THE GROWTH AND NUTRIENT DISTRIBUTION OF THE POPULUS DELTOIDES CV. “LUX” I-69