Effect of initial spacing on gas permeability of Populus nigra var. betulifolia.

Abstract

1Wood Science and Technology Department, Faculty of Civil Engineering, Shahid Rajaee Teacher Training University, Lavizan, Shabanloo St, Tehran, Iran 2Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia 3Wood and Paper Science and Technology Department, Faculty of Natural Resources, The University of Tehran, Imam Hossein Square, Karadj, Iran