00617naa a2200181 a 450000100080000000500110000800800410001910000160006024501050007626000090018165000120019065300210020265300250022365300250024870000170027370000190029077301260030916041071995-06-27       1982    bl ---       0--  u    #d1 aHOPMANS, P.  aDetermination of nitogen fixation by legumes grown in pots by an 15N method and acetylene reduction.  c1982  aMétodo  aAVALIACAO DE FBN  aLEGUMINOSA FLORESTAL  aLEGUMINOSA TEMPERADA1 aCHALK, P. M.1 aDOUGLAS, L. A.  tIn: Ninth International Plant Nutrition Colloquim, Warwick University, Coventry, U.K., 22-27 August 1982.gv., p.-, 1982.