00600nam a22001817a 4500003000400000008004100004082001700045100002400062245011900086260006000205300000900265502001700274650002900291650004400320650003200364650001100396650001100407OSt260609b |||||||| |||| 00| 0 eng d a631.41bG28S aGhosh, Sujit Kumar. aStudies on Physico-Chemical Properties of Surface and Sub Surface Soil of Ranchi District / cby Sujit Kumar Ghosh a.- Kanke, Ranchib: Ranchi Agricultural Collegec, 1972 a89p. bM. Sc.d1972 aAgricultural Engineering aSoil Conservation and Agri. Engineering aPhysico-Chemical Properties aThesis aM. Sc.