00375    a2200133   4500020001800000082001700018100002100035245004600056260004500102300001900147650002000166650002700186650002800213  a9781439816127  a631.584bBAR  aBarker, Allen V.  aScience and technology of organic farming  aBoca RatonbTaylor & Francisc2010g2010  axv,224p.c24cm  aOrganic farming  aAgricultural chemistry  aAgriculture innervation