1. Poon TB, Regmi HN, Woli OB. Influence of plant spacing on seed yield of radish Mino Early. In: Khatri BB, Sharma BP, Khatiwada PP, et al, editors. Proceedings of the fourth national workshop on horticulture (2-4 March 2004). Khumaltar: Nepal Agri Res Council; 2004;373-376.
2. Hussain I, Haq I, Sajid M, et al. Effect of nitrogen alone and in combination with constant doses of potassium on yield of radish. Sarhad J Agric. 1997;13:39-43.
3. Kowalska I, Sady W, Shura A. Effect of of forms of nitrogen fertilizer, foliar feeding and place of cultivation on the yield and quality of lettuce. Acta Agrophysica. 2006;7(3):619-631.
4. Pervez MA, Ayub CM, Saleem BA. Effect of nitrogen levels and spacing on growth and yield of radish (Raphanussativus). Int J Agri Biol. 2004;06(3):504-506.
5. Brintha I, TH Seran. Effect of paired row growth and yield of Turnip (Brassica campestris var. planting of radish (Raphanussativus L.) intercropped Rapifera). Bangladesh Research Publications Journal. 2009.