Comparative assessment of the relative proportion of weed morphology, diversity, and growth under new generation tillage and crop establishment techniques in rice-based cropping systems - Nandan, Rajiv; Singh, V.; Singh, S.S.; Kumar, Virender; Hazra, K.K.; Nath, C.P.; Poonia, S.P.; Malik, R.K. (Elsevier, 2018)