00526nam a22001697a 4500003000400000008004100004020001600045082001600061100002300077245008800100250002800188260004200216300001100258650004200269650003500311650001000346OSt230710b |||||||| |||| 00| 0 eng d a812723169-X a631.4bS19I aSehgal, Jawahar L. aIntroductory pedology: soil genesis, survey and classification/by Jawahar L. Sehgal a2nd. rev. & updated ed. aLudhiana:bKalyani Publishers;c2006. a298 p. aAgriculture and related technologies  aTechnology (Applied sciences)  aSoils