00346nam a2200121Ia 4500008004100000020001800041040002500059082001700084100002400101245005100125260003800176300001000214240301s9999    xx            000 0 und d  a9789350303221  aNORSU-BaycNORSU-Bay  a631.417 P241  aSingh, Parmeshhwar  0aSoil Organic Matter in Sustainable Agriculture  aJaipurbOxford Book Companyc2018  a288p.