The significance of minor elements on plant physiology /

Eitemau Tebyg

• Bibliography of the literature on the minor elements and their relation to plant and animal nutrition /
  Cyhoeddwyd: (1948)
• Trace metals in urban runoff and their influence on phytoplankton growth in the receiving waters.
  gan: Christensen, E. R. (Erik Regnar)
  Cyhoeddwyd: (1979)
• The trace elements and man; some positive and negative aspects,
  gan: Schroeder, Henry Alfred, 1906-1975
  Cyhoeddwyd: (1973)
• Trace elements in biochemistry
  gan: Bowen, H. J. M. (Humphrey John Moule)
  Cyhoeddwyd: (1966)
• The trace-element content of soils /
  gan: Swaine, D. J. (Dalway John)
  Cyhoeddwyd: (1955)