00559nam a22001937a 4500003000400000008004100004082001600045100001500061245007500076260005700151300000900208502001700217650002900234650004300263650001700306650002000323650001100343650001100354OSt260609b        |||||||| |||| 00| 0 eng d  a631.4bR95S  aRoy, Y. P.  aStudy on Minimum Tillage for Upland Paddy (Var. Bala) / cby Y. P. Roy  a.- Biharb: Ranchi Agricultural College, RAUc, 1979  a36p.  bM. Sc.d1979  aAgricultural Engineering  aSoil and Water Conservation Technology  aUpland Paddy  aMinimum Tillage  aThesis  aM. Sc.