000 00309nam a22001097a 4500
003 OSt
100 _aJanzen.H.H
245 _aMethodology for the quantification of root and rhizosphere nitrogen dynamics by exposure of shoots to 15N-Labelled ammonia
700 _aBruinsma.Y
901 _aRP1976
942 _2ddc
_cRP
999 _c8776
_d8776