00464naa a2200157 a 450000100080000000500110000800800410001910000210006024500950008126000090017665000160018565000160020170000200021770000170023777300520025420329372016-01-05       1976    bl ---       0--  u    #d1 aNARAYANAN, P. S.  aA study on the effect of some trace elements on the growth of rubber seedlings in nursery.  c1976  aCrescimento  aSeringueira1 aPUNNOOSE, K. I.1 aKALAM, M. A.  tRubb. Board Bull.gv. 13, n. 2, p. 30-32, 1976.