00486nam a2200157Ia 4500008004100000020001800041082001600059100002300075245006000098260004400158300000800202650004100210650003400251653002200285700002100307170901s2011    xx            000 0 und d  a9780891188537  a631.4bH41S  aHatfield, Jerry L. 0aSoil ManagementbBuilding a Stable Base for Agriculture  aUSAbAmerican Society of Agronomyc2011  a409  aAgriculture and related technologies  aTechnology (Applied sciences)  aSoil conservation  aSauer, Thomas J.