The performance of two species of black cumin (Nigella sativa L.) and (Nigella arvensis L.) under different sowing dates in spring and Autumn at hallabja Governorate Iraqi Kurdistan region
By: Al-Zubaidy, Adil M. A.; Ghafur, Bakhtiar S.; Rasul, Abd Al-Salam A.. Ibn al-Haitham Journal for Pure and Applied Science. Vol. 33, no. 3 (2020), pp.1-10, 10 p.
Subjects: Agriculture; Field experiments; Kurdistan; Nigella; Spring