00843cam a2200205   45000010008000000030008000080050017000160080041000330100017000740400027000910500015001180820015001332450246001482600062003943000036004565040029004926500029005217000050005507100037006004539256BD-DhUL20150112145322.0680301s1968    wiua     b    000 0 eng    a   68014302   aDLCcDLCdDLCdBD-DhUL00aS631b.C4500a631.4bNEC00aChanging patterns in fertilizer use : cproceedings of a symposium sponsored by the Soil Science Society of America and held at the Palmer House in Chicago, Illinois, February 14 and 15, 1968. Editorial committee: L. B. Nelson [and others] /  aMadison, Wis. :bSoil Science Society of America,cc1968.  axiv, 466 p. :billus. ;c24 cm.  aIncludes bibliographies. 0aFertilizersxCongresses.1 aNelson, Lewis B.q(Lewis Bailey),d1914-eed.2 aSoil Science Society of America.