00487nam a22001697a 4500003000400000008004100004082001800045100002600063245011200089260003900201300000900240502001000249650002700259650001000286650001100296650001000307OSt250306b        |||||||| |||| 00| 0 eng d  a519.544bJ46E  aJha, Dhirendra Kumar.  aEstimation of Yield and Trend-Analysis of Makhana (Euryale Ferox) in North Bihar / cby Dhirendra Kumar Jha  a.- Pusa, Samastipurb: RAUc, 1999  a36p.  bM.Sc.  aAgricultural Economics  aYield  aThesis  aM.Sc.