00341nam a22001217a 4500003000400000008004100004082001900045100002600064245006400090260001600154300000700170650004200177OSt260602b        |||||||| |||| 00| 0 eng d  a631.4954bC35S  aBinay Kumar Choudhary  aStudies on Cation Exchange Behaviour of Some Soils of Bihar  aRPCAUc1987  a92  aMSc. Soil Science and Agril Chemistry