Search Results - "Kirkegaard, John A"

Network analysis reveals functional redundancy and keystone taxa amongst bacterial and fungal communities during organic matter decomposition in an arable soil by Banerjee, Samiran, Kirkby, Clive A., Schmutter, Dione, Bissett, Andrew, Kirkegaard, John A., Richardson, Alan E.

“…Organic matter (OM) decomposition and breakdown of crop residues are directly linked to carbon (C) sequestration in agricultural soils as a portion of the…”
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Evolution of bacterial communities in the wheat crop rhizosphere by Donn, Suzanne, Kirkegaard, John A., Perera, Geetha, Richardson, Alan E., Watt, Michelle

“…Summary The gap between current average global wheat yields and that achievable through best agronomic management and crop genetics is large. This is notable…”
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The distribution and abundance of wheat roots in a dense, structured subsoil – implications for water uptake by WHITE, ROSEMARY G., KIRKEGAARD, JOHN A.

“…ABSTRACT We analysed the abundance, spatial distribution and soil contact of wheat roots in dense, structured subsoil to determine whether incomplete…”
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Novel wheat varieties facilitate deep sowing to beat the heat of changing climates by Zhao, Zhigan, Wang, Enli, Kirkegaard, John A., Rebetzke, Greg J.

“…Wheat yields are threatened by global warming and unreliable rainfall, which increase heat and drought stress. A potential adaptation strategy is to sow…”
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Carbon-nutrient stoichiometry to increase soil carbon sequestration by Kirkby, Clive A., Richardson, Alan E., Wade, Len J., Batten, Graeme D., Blanchard, Chris, Kirkegaard, John A.

“…The more stable fine fraction pool of soil organic matter (FF-SOM; <0.4 mm) has more nitrogen, phosphorus and sulphur (N, P, S) per unit of carbon (C) than the…”
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Inorganic Nutrients Increase Humification Efficiency and C-Sequestration in an Annually Cropped Soil by Kirkby, Clive A, Richardson, Alan E, Wade, Len J, Conyers, Mark, Kirkegaard, John A

“…Removing carbon dioxide (CO2) from the atmosphere and storing the carbon (C) in resistant soil organic matter (SOM) is a global priority to restore soil…”
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Toward a Better Understanding of Genotype × Environment × Management Interactions—A Global Wheat Initiative Agronomic Research Strategy by Beres, Brian L., Hatfield, Jerry L., Kirkegaard, John A., Eigenbrode, Sanford D., Pan, William L., Lollato, Romulo P., Hunt, James R., Strydhorst, Sheri, Porker, Kenton, Lyon, Drew, Ransom, Joel, Wiersma, Jochum

“…The Wheat Initiative (WI) and the WI Expert Working Group (EWG) for Agronomy ( www.wheatinitiative.org ) were formed with a collective goal to “coordinate…”
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Deep Soil Water-Use Determines the Yield Benefit of Long-Cycle Wheat by Flohr, Bonnie M, Hunt, James R, Kirkegaard, John A, Rheinheimer, Brad, Swan, Tony, Goward, Laura, Evans, John R, Bullock, Melanie

“…Wheat production in southern Australia is reliant on autumn (April-May) rainfall to germinate seeds and allow timely establishment. Reliance on autumn rainfall…”
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Interactions of Spring Cereal Genotypic Attributes and Recovery of Grain Yield After Defoliation by Bell, Lindsay W., Kirkegaard, John A., Tian, Lihua, Morris, Sally, Lawrence, John

“…Dual-purpose crops are grazed during their vegetative phase and allowed to regrow to produce grain. Grazing slow-developing winter cereals (wheat, barley, and…”
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Nitrogen Fertiliser Immobilisation and Uptake in the Rhizospheres of Wheat and Canola by Rigby, Ben A., Nasrollahi, Niloufar, Celestina, Corinne, Hunt, James R., Kirkegaard, John A., Tang, Caixian

“…Immobilisation of fertiliser nitrogen (N) by soil microorganisms can reduce N availability to crops, decreasing growth and yield. To date, few studies have…”
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Rhizosphere microbial communities associated with Rhizoctonia damage at the field and disease patch scale by Donn, Suzanne, Almario, Juliana, Muller, Daniel, Moënne-Loccoz, Yvan, Gupta, Vadakattu V.S.R., Kirkegaard, John A., Richardson, Alan E.

“…•Microbial communities were assessed in soils either suppressive or conducive to Rhizoctonia.•Suppression was not transferred between soils across different…”
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The realities of climate change, conservation agriculture and soil carbon sequestration by Hunt, James R., Celestina, Corinne, Kirkegaard, John A.

“…The principles of conservation agriculture are frequently assumed to increase soil organic carbon and crop yield under all circumstances. A new analysis…”
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Evolution in crop–livestock integration systems that improve farm productivity and environmental performance in Australia by Bell, Lindsay W., Moore, Andrew D., Kirkegaard, John A.

“…•Mixing crops and livestock helps Australian farmers manage climate, price and soil variability.•Recent crop–livestock innovations can improve farm…”
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Early sowing systems can boost Australian wheat yields despite recent climate change by Hunt, James R., Lilley, Julianne M., Trevaskis, Ben, Flohr, Bonnie M., Peake, Allan, Fletcher, Andrew, Zwart, Alexander B., Gobbett, David, Kirkegaard, John A.

“…Price surges in staple foods trigger civil unrest and conflict 1 . The food riots of 2007–2008 and Arab spring uprisings (2010–2012) were, in part, a…”
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Temporary growth cessation of wheat roots following defoliation by Han, Eusun, Kirkegaard, John A., Thorup-Kristensen, Kristian

“…Background and aims Defoliation triggers the remobilisation of root reserves to generate new leaves which can affect root growth until the shoot resumes net…”
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Farming system context drives the value of deep wheat roots in semi-arid environments by Lilley, Julianne M., Kirkegaard, John A.

“…The capture of subsoil water by wheat roots can make a valuable contribution to grain yield on deep soils. More extensive root systems can capture more water,…”
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Microorganisms and nutrient stoichiometry as mediators of soil organic matter dynamics by Coonan, Elizabeth C., Kirkby, Clive A., Kirkegaard, John A., Amidy, Martin R., Strong, Craig L., Richardson, Alan E.

“…Microbial detritus contributes substantially to the soil organic matter (SOM). Analysis of global literature indicated that microbial detritus carbon (C)…”
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Incremental transformation: Success from farming system synergy by Kirkegaard, John A

“…Those not immediately involved in managing a dryland farm sustainably in a risky water-limited environment such as Australia may think a comparison with rocket…”
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Glucosinolates and biofumigation: fate of glucosinolates and their hydrolysis products in soil by Gimsing, Anne Louise, Kirkegaard, John A

“…The bioactive hydrolysis products of glucosinolates, particularly the isothiocyanates, can be used to control soil pests and weeds by incorporating…”
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Magnitude and mechanisms of persistent crop sequence effects on wheat by Kirkegaard, John A., Ryan, Megan H.

“…•Significant (>0.5tha−1) break-crop effects can persist 3–4 years through a rotation.•Dry seasonal conditions preserve crop legacies of N, water and…”
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