Climate, land & water

Western Australia’s agriculture sector needs access to productive soil and water resources for growth and profit. However, the sector must compete with increasing resource demands from all sectors of the community, and the pressures of a changing climate. The Agriculture and Food division of the Department of Primary Industries and Regional Development supports agriculture by providing long-term management solutions, practical risk management strategies and tools to maintain and improve resource conditions, to meet the needs of industry and stakeholders. Agriculture and Food is also pioneering soil and water investigation of the state’s undeveloped areas to establish new irrigated agricultural industries.

Articles

  • 25 July 2016

    Scheduling irrigation for tomatoes based on crop factors and evaporation, combined with soil moisture monitoring to confirm irrigation effectiveness, will result in more efficient watering.

  • 15 July 2016

    Evaporation-based scheduling is part of a systematic approach to efficient irrigation that considers plant and environmental factors to determine crop water requirements.

  • 2 August 2017

    Waterlogging in the higher rainfall areas (more than 450mm) of south-west Western Australian crops and pastures is a common cause of reduced plant growth in winter, especially on duplex soils.

  • 31 July 2017

    Drains in most waterlogging-susceptible cropped areas pay for themselves within a few years.

  • Wheatbelt valley secondary salinity
    20 January 2015

    Salinity affects growth by reducing plant root ability to extract water from the soil, and chloride toxicity.

  • 2 March 2016

    Green and brown manuring are practices where plant material is returned to the soil to improve soil fertility, conserve soil water, reduce weed and disease burdens, and increase soil organic matter

  • 13 July 2017

    Waterlogging causes soil structure collapse in sodic soils, because the clay particles holding soil particles together disperse.

  • 11 July 2017

    Raised beds are a long-term option for preventing waterlogging and increasing crop yield on target areas.

  • 11 July 2017

    Waterlogging in some years and some environments in the high rainfall areas of south-west Western Australia can cause significant reductions in plant growth.

  • 4 March 2016

    About 80% of the variation in methane production is explained by feed intake. Reducing the stocking rate of sheep on the farm reduces the pasture consumption and methane production per hectare.

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