Kumar A, Singh H, Nigam R. Effect of organic nutrition on growth, yield and economics of knol-khol (Brassica oleracea L. var. gongylodes) cv. Pusa Virat . jefa [Internet]. 2023 Jul. 9 [cited 2025 May 5];18(2):263-5. Available from: https://www.journals.acspublisher.com/index.php/jefa/article/view/6908