DEY, J.K. and PAUL, S.R. 2013. Effect of in-situ greengram (Phaseolus radiatus) residue and nitrogen levels on toria (Brassica rapa) in rice (Oryza sativa) - greengram-toria sequence in Ultic Haplustalf. The Indian Journal of Agricultural Sciences. 69, 11 (Feb. 2013).