00388     2200145   4500001002100000005001500021035002000036245005500056100002000111300003300131856001600164260003600180082001600216084001000232INLIS00000000000543720250422084006  a0010-04250000191 aAdvances in Agronomy Volume 49 /cDonald L. Sparks0 aSparks Donald L  aix, 315 p. :bills. ;c21 Cm  aBRMP Biogen  aLondon :bAcademic Press,c1993  a573.6 SPA a  aF1/28