TY - BOOK AU - B.N.R.V. Prasad AU - H.V. Nanjappa Department of Agronomy TI - Critical period of crop weed competition in sprouted rice (Oryza sativa L.) Under puddled condition U1 - 630 PY - 1992/// CY - Bangalor PB - University of Agricultural Scineces, Bangalore ER -