Research Article
Investigation on Effect of Populus alba Stands Distance on Density of Pests and Their Natural Enemies Population under Poplar/Alfalfa Agroforestry System
Agricultural and Natural Resources Research Center, West Azarbaijan, Orumieh, Iran
S.E. Sadeghi
Research Institute of Forest and Rangelands, Tehran, Iran
S. Hanifeh
Agricultural and Natural Resources Research Center, West Azarbaijan, Orumieh, Iran
A. Eivazi
Agricultural and Natural Resources Research Center, West Azarbaijan, Orumieh, Iran