KUMAR, A., SINGH, R. and CHHILLR, R.K. (2011) “Nitrogen requirment of fennel (Foeniculum vulgare) based cropping system”, The Indian Journal of Agricultural Sciences, 76(10). Available at: https://epubs.icar.org.in/index.php/IJAgS/article/view/3195 (Accessed: 27 October 2025).