TY - JOUR T1 - Effect of wet land preparation period on weed density and grain yield of transplanted lowland rice JF - The Philippine Journal of Crop Science A1 - Samoy-Pascual, Kristine A2 - Bautista, Elmer G. A2 - Valdez, Harvey V. A2 - Gagelonia, Eden C. LA - English YR - 2019 UL - https://tuklas.up.edu.ph/Record/IPP-00000665479 KW - Rice yields KW - Rice weeds ER -