Effect of NPK fertilization on yield of maize and potato
By: Ali, Nur al-Din Shawqi; al-Zubaydi, Ahmad Haydar; Ati, Ala Salih…[et al.]. The Iraqi Journal of Agricultural Science. Vol. 39, no. 2 (2008), pp.26-33, 8 p.
Subjects: Corn; Iraq; Fertilizers