SAMAR PAL SINGH, et al. “Influence of Water Management, Planting Methods and Mulching on Growth, Root Dry Weight, Root Density, Yield and Yield Attributes and Water-Use in Yellow Sarson (Brassica Rapa)”. Indian Journal of Agronomy, vol. 64, no. 4, Oct. 2001, pp. 511-6, https://doi.org/10.59797/ija.v64i4.5301.