G C YADAV, P. N. R. C. J. R. B. V. Effect of date of sowing, nitrogen levels and spacing on growth and yield of ajwain (Trachyspermum ammi (L.) Sprague). Journal of Spices and Aromatic Crops, [S. l.], v. 17, n. 1, p. 01–04, 2008. Disponível em: https://updatepublishing.com/journal/index.php/josac/article/view/4884. Acesso em: 4 may. 2024.