NARUKA, I. S. Effect of spacing and nitrogen levels on growth, yield and quality of ajwain (Trachyspermum ammi L. Sprague). International Journal of Seed Spices, Rajasthan, India, v. 2, n. 1, p. 12–16, 2012. DOI: 10.56093/. Disponível em: https://epubs.icar.org.in/index.php/IJSS/article/view/159548. Acesso em: 4 jul. 2026.