00971cam a22002537a 45000010009000000050017000090080041000260100017000670200018000840350024001020500024001262450094001502600127002443000037003714900033004085040051004416500024004926500024005167000039005407000030005797100034006097100037006437100037006801660881020170208154348.0110112s2009    wiua     b    001 0 eng d  a  2009907452  a9780891181705  a(OCoLC)ocn43084288000aS592.6 .N5N573 200900aNitrogen fixation in crop production /cDavid W. Emerich and Hari B. Krishnan, [editors].  aMadison, WI :bAmerican Society of Agronomy :bCrop Science Society of America :bSoil Science Society of America,cc2009.  a[xvii], 421 p. :bill. ;c24 cm.0 aAgronomy monograph ;vno. 52  aIncludes bibliographical references and index. 0aCrops and nitrogen. 0aNitrogenxFixation.1 aEmerich, David W.q(David William)1 aKrishnan, Hariq(Hari B.)2 aAmerican Society of Agronomy.2 aCrop Science Society of America.2 aSoil Science Society of America.