00497nam a2200157 a 450000100080000000500110000800800410001910000170006024500470007726000450012430000090016949000190017852001150019765000090031270000180032119494562013-04-19       1977    bl uuuu     u0uu1 u    #d1 aBROWN, J. R.  aMicro-and secondary nutrients in Missouri.  a[Columbia]: University of Missouric1977  a8 p.  a(EC 929 Sept).  aIntroduction. Zinc. Boron. Magnesium. Molybdeum. Sulfur. Manganese. Iron. Copper. Plant analyses summary data.  aSoja1 aHANSON, R. G.