00300nam a22001097a 4500003000400000008004100004082001700045100001700062245006600079260003700145300000800182OSt240709b        |||||||| |||| 00| 0 eng d  a631.43bW41I  aBiswas, T.D.  aIntroduction to the principles and practices of soil sci. 2nd  aELBSbBharti Bhawan, Patnac1987  a244