00553nam a22001457a 4500003000400000005001700004008004100021040001400062100002700076245014500103260000900248300003100257500008600288504003300374OSt20171010095250.0110906t        xxu||||| |||| 00| 0 eng d  aMMSUcULS  aBalbesino, Cornelio T.  aPerformance of hybrid rice varieties as affected by nutrient management practices under varying ecological conditionscCornelio T. Balbesino  c2008  axxvi, 188 leaves c28 cm.   aThesis (M.S. Agriculture-Crop Sci) -- Mariano Marcos State University, Laoag City  aBibliography: leaves 107-108