Gautam, Preety, and S. Singh. 2015. “Effect of Organic Manure and Inorganic Fertilizers on Growth and Yield of Knol-Khol (Brassica Oleracea Var. Caulorapa L.)”. Indian Research Journal of Genetics and Biotechnology 7 (04), 432 -. https://irjgbt.in/index.php/IRJGBT/article/view/269.