N. K. JAIN, N. L. JAT, and G. R. CHOUDHARY, “Response of fennel (Foeniculum vulgare) to inorganic nitrogen, farmyard manure and Azospirillum”, Indian J Agri Sci, vol. 77, no. 6, Jan. 2011, Accessed: Oct. 27, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/3419