00544nam a22001817a 4500003000400000008004100004082002000045100002400065245011400089260006800203300001000271502001700281650001300298650000900311650002000320650001100340650001100351OSt260526b        |||||||| |||| 00| 0 eng d  a633.18958bS48S  aSingh, Ashok Kumar.  aStudies on Integrated Weed Management in Summer Rice Under Different Plant Densities / cby Ashok Kumar Singh  a.- Sabour, Bhagalpurb: Bihar Agricultural College, RAUc, 1996  a121p.  bPh. D.d1996  aAgronomy  aRice  aWeed Management  aThesis  aPh. D.