info:oai:utas.edu.au:3878info:ofi/fmt:xml:xsd:journalBabourinaOBabourina, OVoltchanskiiKVoltchanskii, KMcGannBMcGann, BNewmanIANewman, IARengelZRengel, Z35820070022-0957Nitrate supply affects ammonium transport in canola rootsJournal of Experimental Botany651-658article