Research Article
An Ecological Study on Earthworm (Pheretema sp.) in Different Environments of Nam Pong Soil Series (Ustoxic Quartzipsamment), Northeast Thailand
Department of Land Resources and Environment, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
V. Trelo-ges
Department of Land Resources and Environment, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
S. Ruaysoongnern
Department of Land Resources and Environment, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand