Fadaee, M. and Bagherzadeh, E. (2017) “Evaluating the effect of humic acid on the yield of three varieties of potato under field conditions”, Journal of Research in Biology, 7(5), pp. 2316-2320. Available at: https://ojs.jresearchbiology.com/ojs1/index.php/jrb/article/view/450 (Accessed: 6October2024).