Citation | Khan, M.A., A. Basir and B. Saeed. 2020. Biochar improves phenological and physiological attributes of wheat in soil amended with organic and inorganic nitrogen sources. Sarhad Journal of Agriculture, 36(4): 1214-1226. DOI | http://dx.doi.org/10.17582/journal.sja/2020/36.4.1214.1226