B B Vashishtha, S. S. M. R. S. M. (2009). Influence of sheep manure, vermicompost and Azotobactor sp. on growth and yield of ajowan (Trachyspermum ammi Sprague). Journal of Spices and Aromatic Crops, 18(2), 100–103. Retrieved from https://updatepublishing.com/journal/index.php/josac/article/view/4944