Rezaee, B. and Qasani, N.A. 2025. Investigating the Effects of Different Levels of Phosphorus on Morphological Characteristics of Black cumin (Nagella sativa L.). Advences in Agriculture and Sustainability . 1, 01 (Dec. 2025), 1–14. DOI:https://doi.org/10.64226/aas.v1i01.149.