Open Access Research Paper Views (475) Download (33) Vine harvesting frequency impact on tuber yield attributes of commonest sweet potato cultivar in Sub-Saharan Africa C. Mvumi, B. Zendera, B. Mashayamombe Int. J. Agron. Agri. Res.12( 6), 30-38, June 2018. Key: German 11Nutritional requirementsPropagationRoot tuber yield Details