Bio and mineral-n fertilization of sunflower (helianthus annuus l. ) grown on sandy soil using 15n technique
By: Abd al-Salam, Ali Ahmad; Jalal, Yahya Jalal Muhammad; Zahrah, Wisam Rashad…[et al.]. Annals of Agricultural Science, Moshtohor. Vol. 59, no. 4 (2021), pp.1077-1082, 6 p.
Subjects: Ammonium sulfate; Azotobacter chroococcum; Sandy soils; Sunflowers