Influence of inter and intra row spacing on growth and yield of Vernonia (Vernonia galamensis Cass.) Journal title: International journal of Advanced Biological and Biomedical Research Authors: Melkamu Hordofa Sigaye| Ethiopian Institute of Agricultural Research, Wondo Genet Agriculture Resear... Subject(s): Biological Sciences, Biochemistry, Microbiology, Molecular Biology, Anatomy, Physiology