Impact of humic acid and nitrogen fertilization on productivity of some bread wheat cultivars
By: Abd al-Rahman, Kamil Ali; al-Murshidi, Muhammad Abd al-Munim; Jalal, Anam Hilmi…[et al.]. Assuit Journal of Agricultural Sciences. Vol. 50, no. 4 (2019), pp.22-34, 13 p.
Subjects: Design of experiments; Humic acid