00607nam a22001697a 4500003000400000008004100004020001800045082001700063100002400080245014200104250002800246260004600274300001000320650003400330650004100364650003200405OSt251008b        |||||||| |||| 00| 0 eng d  a9789327298109  a631.45bM23I  aMal, Bimal Chandra.  aIntroduction to Soil and Water Conservation  Engineering : surveying, irrigation, drainage and soil conservation / cby Bimal Chandra Mal  a2nd revised ed. reprint  a.- Ludhianab: Kalyani Publishersc, 2025  a446p.  aTechnology (Applied Sciences)  aAgriculture and Related Technologies  aSoil and Water Conservation