00447naa a2200133 a 450000100080000000500110000800800410001910000170006024500870007726000090016465300490017370000190022277300720024119673302013-09-27       2004    bl ---       0--  u    #d1 aCREWS, T. E.  aLegume versus fertilizer sources of nitrogenbecological tradeoffs and human needs  c2004  aLegume versus fertilizer sources of nitrogen1 aPEOPLES, M. B.  tAgriculture, Ecosystems and Environment.gv. 102, p. 279-297, 2004.