Browsing by Author Guppy, Christopher


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Showing results 86 to 104 of 104 < previous 
Publication DateTitleAuthor(s)Date Added
2006Should lectures be compulsory?Lockwood, Peter Vincent ; Guppy, Christopher ; Smyth, Robyn 17-Aug-2012
2011Silicon nutrition of rice is affected by soil pH, weathering and silicon fertilisationTavakkoli, Ehsan; Lyons, Graham; English, Peter Warren; Guppy, Christopher 21-Feb-2012
2000A Simplified, Sequential, Phosphorus Fractionation MethodGuppy, Christopher ; Menzies, N W; Moody, P W; Compton, B L; Blamey, F P C12-Dec-2016
2007Soil phosphorus status in organic and conventional vegetable farms in Southeast Queensland, AustraliaNachimuthu, Gunasekhar; Kristiansen, Paul ; Lockwood, Peter V ; Guppy, Christopher 12-Dec-2016
2014Spatial variability in pH and key soil nutrients: is this an opportunity to increase fertiliser and lime-use efficiency in grazing systems?Trotter, Mark ; Guppy, Christopher ; Haling, Rebecca ; Trotter, Tieneke ; Edwards, Clare; Lamb, David 2-Sep-2014
2013Spatial variability of soil phosphorus in grazing systemsTrotter, Mark ; Badgery, Warwick; Barron, Joshua ; Guppy, Christopher ; Haling, Rebecca ; Mitchell, David; Millar, Geoff6-Mar-2014
2016The speciation and mobilisation of phosphorus in alkaline VertosolsAndersson, Karl Oscar; Tighe, Matthew ; Guppy, Christopher ; Milham, Paul ; McLaren, Timothy9-Feb-2018
2015Spectral sensitivity of solution ³¹P NMR spectroscopy is improved by narrowing the soil to solution ratio to 1:4 for pasture soils of low organic P contentMcLaren, Timothy; Smernik, Ronald J; Simpson, Richard J; McLaughlin, Michael J; McBeath, Therese M; Guppy, Christopher ; Richardson, Alan E12-Dec-2016
2018Tropical forage legumes provide large nitrogen benefits to maize except when fodder is removedTraill, Skye; Bell, Lindsay; Dalgliesh, Neal P.; Wilson, Ainsleigh; Ramony, Lina-May; Guppy, Christopher 3-Apr-2018
2018Understanding the impact of soil sodicity on mycorrhizal symbiosis: Some facts and gaps identified from cotton systemsEskandari, Samieh; Guppy, Christopher ; Knox, Oliver ; Backhouse, David ; Haling, Rebecca E23-Apr-2018
2013Use of potassium to increase irrigated rice productionBhiah, Karim; Guppy, Christopher ; Jessop, Robin ; Lockwood, Peter23-Sep-2013
2015Using Active Optical Sensing for Determining Pasture Growth Rate Using a Light Use Efficiency ModelRahman, Muhammad Moshiur ; Lamb, David ; Guppy, Christopher ; Stanley, John 8-Jan-2016
2012Using common PA tools and GPS livestock tracking to examine the variability in soil nutrients across grazing landscapesBarron, Josh ; Trotter, Mark ; Guppy, Christopher ; Haling, Rebecca ; Lamb, David 20-Jun-2012
2016Using portable X-ray fluorescence (pXRF) to determine fecal concentrations of non-absorbable digesta kinetic and digestibility markers in sheep and cattleBarnett, Mark ; Forster, Nicola; Ray, G A; Li, Li ; Guppy, Christopher ; Hegarty, Roger 24-Nov-2016
2015Validation of soil phosphate removal by alkaline and acidic reagents in a vertosol soil using XANES spectroscopyMcLaren, Timothy; Guppy, Christopher ; Tighe, Matthew ; Schefe, C R; Flavel, Richard ; Cowie, B C C; Tadich, Anton3-Nov-2015
2014Visualising and Quantifying Cereal Root Responses to PhosphorusFlavel, Richard James; Guppy, Christopher ; Young, Iain ; Watt, Michelle ; Tighe, Matthew ; McNeill, Ann22-Apr-2015
2013Whole-farm management of soil nutrients drives productive grazing systems: the Cicerone farmlet experiment confirms earlier researchGuppy, Christopher ; Edwards, Clare; Blair, Graeme ; Scott, Jim M 9-Jan-2014
2016XANES Demonstrates the Release of Calcium Phosphates from Alkaline Vertisols to Moderately Acidified SolutionAndersson, Karl ; Tighe, Matthew ; Guppy, Christopher ; Milham, Paul ; McLaren, Timothy; Schefe, Cassandra R; Lombi, Enzo7-Jun-2016
2016Yield Responses of Maize and Sunflower to Mulch under No-till Farming Conditions in Northwest CambodiaMontgomery, Stephanie C; Tighe, Matthew ; Guppy, Christopher ; Wright, Graeme; Flavel, Richard ; Phan, Sophanara; Im, Sophoeun; Martin, Robert 6-Jul-2016