00591naa a2200181 a 450000100080000000500110000800800410001910000200006024501700008026000090025065300080025965300180026770000180028570000170030370000200032070000180034077300510035819913602015-02-27       2014    bl uuuu     u00u1 u    #d1 aBAPTISTA, F. B.  aVariations in the 15 N natural abundance of plant-available N with soil depthbtheir influence on estimates of contributions of biological N2 fixation to sugar cane.  c2014  aBNF  aSaccharum spp1 aMORAIS, R. F.1 aLEITE, J. M.1 aALVES, B. J. R.1 aBODDEY, R. M.  tApplied Soil Ecologygv. 73, p. 124-129, 2014.