00393naa a2200145 a 450000100080000000500110000800800410001910000160006024500680007626000090014465000110015370000160016470000170018077300500019720469542016-06-14       1957    bl ---       0--  u    #d1 aFORD, H. W.  aEffect of nitrogen on root development of Valencia orange tree.  c1957  aCitrus1 aRAUTHER, W.1 aSMITH, P. F.  tProc. Am. Hortic. Sci.gv.70, p.237-44, 1957.