Open Access Research Paper Views (832) Effect of planting time on quality seed production of onion in high Barind tract M.Y. Abida, M.S. Hossain, S.M.M. Alam, M. N. A. Siddquie Int. J. Biosci. 20(4), 132-136, April 2022. DOI: http://dx.doi.org/10.12692/ijb/20.4.132-136 Keywords: Planting time, Quality seed, True seed, Yield and Onion Details