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Publication DateTitleAuthor(s)Date Added
12004Limitations of bioassays in macronutrient deficiency determinationGuppy, C ; Menzies, NW; Harding, T29-Sep-2008
22009Options for increasing the biological cycling of phosphorus in low-input and organic agricultural systemsGuppy, Christopher ; McLaughlin, MJ14-Dec-2009
32009Phosphorus uptake in faba bean, field pea, and corn cultivars from different sources: preliminary studies of two options for organic farmersNachimuthu, Gunasekhar; Lockwood, Peter ; Guppy, Christopher ; Kristiansen, Paul 2-Feb-2010
42009The role of hydraulic lift and subsoil P placement in P uptake of cotton ('Gossypium hirsutum' L.)Wang, Xuedong; Tang, C; Guppy, Christopher ; Sale, PWG3-Feb-2010
52009Isotopic tracing of phosphorus uptake in corn from ³³P labelled legume residues and ³²P labelled fertilisers applied to a sandy loam soilNachimuthu, Gunasekhar; Guppy, Christopher ; Kristiansen, Paul ; Lockwood, Peter 11-Mar-2010