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Simulating rice in farming systems - modelling transitions between aerobic and ponded soil environments in APSIM


Gaydon, DS and Buresh, RJ and Probert, ME and Meinke, HB, Simulating rice in farming systems - modelling transitions between aerobic and ponded soil environments in APSIM, 18th World IMACS Congress and MODSIM09 International Congress on Modelling and Simulation, 13-17 July 2009, Cairns, Queensland, pp. 519-525. ISBN 9780975840061 (2009) [Refereed Conference Paper]


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Adapting farming systems to reduced availability of irrigation water is an emerging research issue in irrigated districts throughout the globe. Water shortages in parts of the rice-growing world have prompted research into a range of alternate agricultural practices, including expansion of rice as a component in diverse farming systems, in rotation with dryland and aerobically irrigated crops and pastures, utilising a range of modified tillage and residue management practices. Evaluation of potential future adaptation strategies can be assisted by well-tested farming systems models that capture interactions between soil water and nutrient dynamics, crop growth, climate and management inputs/practices. APSIM represents such a model, however due to its ‘dryland heritage’ APSIM has previously been unequipped to describe the soil water, carbon and nitrogen dynamics as soil environments progress from aerobic to anaerobic and back again, such as occurs in crop rotations involving ponded rice and other non-ponded crops (wheat, maize, legumes, pastures etc.). Various relevant chemical and biological processes that occur in long-term ponded water were also unaccounted for in APSIM.

Item Details

Item Type:Refereed Conference Paper
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Agriculture, land and farm management
Research Field:Agricultural production systems simulation
Objective Division:Plant Production and Plant Primary Products
Objective Group:Grains and seeds
Objective Field:Rice
UTAS Author:Meinke, HB (Professor Holger Meinke)
ID Code:71530
Year Published:2009
Deposited By:Research Division
Deposited On:2011-07-21
Last Modified:2015-09-16
Downloads:275 View Download Statistics

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