SINGH JP, SINGH MK, SINGH RD. Effect of planting date and nitrogen level on growth and yield of tropical cauliflower (Brassica oleracea convar botrytis var botrytis). Indian J Agri Sci. 2013;64(8). Accessed October 23, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/29399