Citation | Neela, N.B., T.A. Sourav, M. Hasanuzzaman, S.M. Masum. 2026. Critical period of weed control and herbicide performance in quinoa (Chenopodium quinoa willd.). Sarhad Journal of Agriculture, 42(2): 609-619. DOI | https://dx.doi.org/10.17582/journal.sja/2026/42.2.609.619