Estimating deep drainage and nitrate leaching from the root zone under sugarcane using APSIM-SWIM

L. Stewart, P.B. Charlesworth, Keith Bristow, P.J. Thorburn

    Research output: Contribution to journalArticle

    48 Citations (Scopus)

    Abstract

    The Burdekin Delta (BD) is located on the dry-tropical coastal strip in North Queensland, Australia. It is one of Australia's premier sugar producing districts with approximately 40,000 ha of land under sugarcane. Because the BD borders the Great Barrier Reef World Heritage Area (GBRWHA), industry, community, regulatory, and environmental organisations are interested in ascertaining the magnitude of deep drainage and nitrate leaching from the root zone and potential implications for the GBRWHA.Direct measurement of deep drainage and nitrate leaching is difficult, and modelling is likely to play an ever-increasing role in guiding experimental work and decision-making. Here, we describe the collection of drainage and nitrate-leaching related data collected over two cropping seasons at a specific field site within the BD and its use in the calibration and application of a drainage and nitrate-leaching model created within the Agricultural Production Systems Simulator (APSIM) modelling framework with constituent crop-growth, soil'water, and nitrogen transformation modules (Sugar, APSIM-SWIM, Soiln2).Model application indicated that the simulated amount of drainage and nitrate leached over a cropping season compared favourably to that derived from inferred drainage and observed soil'water nitrate concentrations. Subsequent investigation of fertilizer management options using the model identified the timing and amount of both irrigation and fertilizer application as key parameters over which management control might be exploited to minimise deep drainage and flux of nitrate to groundwater.
    Original languageEnglish
    Pages (from-to)315-334
    Number of pages20
    JournalAgricultural Water Management
    Volume81
    Issue number3
    DOIs
    Publication statusPublished - 2005

    Fingerprint

    production system
    agricultural production
    sugarcane
    simulator
    rhizosphere
    leaching
    production technology
    drainage
    nitrates
    nitrate
    agriculture
    Great Barrier Reef
    barrier reef
    cropping practice
    sugar
    soil water
    sugars
    irrigation rates
    soil nitrogen
    fertilizer application

    Cite this

    Stewart, L. ; Charlesworth, P.B. ; Bristow, Keith ; Thorburn, P.J. / Estimating deep drainage and nitrate leaching from the root zone under sugarcane using APSIM-SWIM. In: Agricultural Water Management. 2005 ; Vol. 81, No. 3. pp. 315-334.
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    abstract = "The Burdekin Delta (BD) is located on the dry-tropical coastal strip in North Queensland, Australia. It is one of Australia's premier sugar producing districts with approximately 40,000 ha of land under sugarcane. Because the BD borders the Great Barrier Reef World Heritage Area (GBRWHA), industry, community, regulatory, and environmental organisations are interested in ascertaining the magnitude of deep drainage and nitrate leaching from the root zone and potential implications for the GBRWHA.Direct measurement of deep drainage and nitrate leaching is difficult, and modelling is likely to play an ever-increasing role in guiding experimental work and decision-making. Here, we describe the collection of drainage and nitrate-leaching related data collected over two cropping seasons at a specific field site within the BD and its use in the calibration and application of a drainage and nitrate-leaching model created within the Agricultural Production Systems Simulator (APSIM) modelling framework with constituent crop-growth, soil'water, and nitrogen transformation modules (Sugar, APSIM-SWIM, Soiln2).Model application indicated that the simulated amount of drainage and nitrate leached over a cropping season compared favourably to that derived from inferred drainage and observed soil'water nitrate concentrations. Subsequent investigation of fertilizer management options using the model identified the timing and amount of both irrigation and fertilizer application as key parameters over which management control might be exploited to minimise deep drainage and flux of nitrate to groundwater.",
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    Estimating deep drainage and nitrate leaching from the root zone under sugarcane using APSIM-SWIM. / Stewart, L.; Charlesworth, P.B.; Bristow, Keith; Thorburn, P.J.

    In: Agricultural Water Management, Vol. 81, No. 3, 2005, p. 315-334.

    Research output: Contribution to journalArticle

    TY - JOUR

    T1 - Estimating deep drainage and nitrate leaching from the root zone under sugarcane using APSIM-SWIM

    AU - Stewart, L.

    AU - Charlesworth, P.B.

    AU - Bristow, Keith

    AU - Thorburn, P.J.

    N1 - Imported on 12 Apr 2017 - DigiTool details were: Journal title (773t) = Agricultural Water Management. ISSNs: 0378-3774;

    PY - 2005

    Y1 - 2005

    N2 - The Burdekin Delta (BD) is located on the dry-tropical coastal strip in North Queensland, Australia. It is one of Australia's premier sugar producing districts with approximately 40,000 ha of land under sugarcane. Because the BD borders the Great Barrier Reef World Heritage Area (GBRWHA), industry, community, regulatory, and environmental organisations are interested in ascertaining the magnitude of deep drainage and nitrate leaching from the root zone and potential implications for the GBRWHA.Direct measurement of deep drainage and nitrate leaching is difficult, and modelling is likely to play an ever-increasing role in guiding experimental work and decision-making. Here, we describe the collection of drainage and nitrate-leaching related data collected over two cropping seasons at a specific field site within the BD and its use in the calibration and application of a drainage and nitrate-leaching model created within the Agricultural Production Systems Simulator (APSIM) modelling framework with constituent crop-growth, soil'water, and nitrogen transformation modules (Sugar, APSIM-SWIM, Soiln2).Model application indicated that the simulated amount of drainage and nitrate leached over a cropping season compared favourably to that derived from inferred drainage and observed soil'water nitrate concentrations. Subsequent investigation of fertilizer management options using the model identified the timing and amount of both irrigation and fertilizer application as key parameters over which management control might be exploited to minimise deep drainage and flux of nitrate to groundwater.

    AB - The Burdekin Delta (BD) is located on the dry-tropical coastal strip in North Queensland, Australia. It is one of Australia's premier sugar producing districts with approximately 40,000 ha of land under sugarcane. Because the BD borders the Great Barrier Reef World Heritage Area (GBRWHA), industry, community, regulatory, and environmental organisations are interested in ascertaining the magnitude of deep drainage and nitrate leaching from the root zone and potential implications for the GBRWHA.Direct measurement of deep drainage and nitrate leaching is difficult, and modelling is likely to play an ever-increasing role in guiding experimental work and decision-making. Here, we describe the collection of drainage and nitrate-leaching related data collected over two cropping seasons at a specific field site within the BD and its use in the calibration and application of a drainage and nitrate-leaching model created within the Agricultural Production Systems Simulator (APSIM) modelling framework with constituent crop-growth, soil'water, and nitrogen transformation modules (Sugar, APSIM-SWIM, Soiln2).Model application indicated that the simulated amount of drainage and nitrate leached over a cropping season compared favourably to that derived from inferred drainage and observed soil'water nitrate concentrations. Subsequent investigation of fertilizer management options using the model identified the timing and amount of both irrigation and fertilizer application as key parameters over which management control might be exploited to minimise deep drainage and flux of nitrate to groundwater.

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    KW - Groundwater

    KW - Modelling

    KW - Nitrate leaching

    KW - SWIM

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    ER -