00397nam a2200145Ia 4500008004100000020001800041040002500059082002800084082000900112100002400121245005100145250000900196260003700205490000900242240730s9999    xx            000 0 und d  a9789350303221  aNORSU-GuicNORSU-Gui  aCir.631.4/M6s/2018/c.1   b4023  aDr. Parmeshar Singh 0aSoil organic matter in sustainable agriculture  ac.1   aIndiabOxford book campanyc2018  vc.1