Gutema chala. Effects of N and NPS Fertilizer on Yield Components and Seed Yield of Black Cumin (Nigella Sativa L.) at Bale, South eastern Ethiopia. Int. J. Seed Spice. [Internet]. 2025 Mar. 4 [cited 2026 Jul. 4];14(1):47-56. Available from: https://epubs.icar.org.in/index.php/IJSS/article/view/158195