Production & postharvest

The Department of Primary Industries and Regional Development contributes to the productivity, profitability and sustainability of plant-based agriculture. From broad scale dryland cropping systems to intensive irrigated production, we work with industry and business to address challenges in plant production through research and development, knowledge transfer and government policy settings.

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Articles

  • Dark leaves with necrosis moving down from the tip of the oldest leaf

    Diagnosing phosphorus deficiency in wheat

    28 November 2013

    Nearly all soils in Western Australia are phosphorus deficient in their natural state but the continual use of phosphorus fertiliser means acute deficiency in broadacre crops is rare, with the exce

  • Plants with fewer tillers and pale older leaves

    Diagnosing nitrogen deficiency in barley

    20 January 2014

    Nitrogen deficiency is the most common nutrient deficiency in barley especially during cold, wet conditions and in sandy soils in high rainfall areas.

     

  • Phosphorus deficient seedling

    Diagnosing phosphorus deficiency in barley

    20 January 2014

    Nearly all soils in Western Australia are phosphorus deficient but continual use of phosphorus fertiliser means acute deficiency in broadacre crops is rare, with the exception of Darling Range grav

  • Patches of pale stunted wilted plants

    Diagnosing manganese deficiency in oats

    19 June 2015

    Oats are very susceptible to manganese (Mn) deficiency, which produces a condition called 'grey speck'.

  • Oat plants showing symptoms of acute phosphorous deficiency including necosis moving down from old leaf tip

    Diagnosing phosphorus deficiency in oats

    19 June 2015

    Nearly all soils in Western Australia are phosphorus deficient in their natural state but the continual use of phosphorus fertiliser means acute deficiency in broadacre crops is rare, with the exce

  • CSBP oat nutrition trial showing oat crop with symptoms of potassium deficiency

    Diagnosing potassium deficiency in oats

    22 June 2015

    Potassium is required for photosynthesis, transport of sugars, enzyme activation and controlling water balance within plant cells.

  • Smaller paler plants with fewer tillers

    Diagnosing nitrogen deficiency in oats

    19 June 2015

    Nitrogen deficiency is the most common nutrient deficiency in oats especially during cold, wet conditions and in well-drained soils in high rainfall areas.

     

  • Young leaves turn pale green and wilted, then die back from the tip

    Diagnosing copper deficiency in oats

    19 June 2015

    Most soils in Western Australia were copper deficient in their natural state.

  • After lesions form on middle leaves, pale lines develop on new growth.

    Diagnosing zinc deficiency in wheat

    28 November 2013

    Most soils in Western Australia (WA) were zinc deficient in their natural state.

  • Patches of stunted pale clumpy plants.

    Diagnosing zinc deficiency in barley

    20 January 2014

    Zinc deficiency has become more common in young barley plants emerging in drying soil but this deficiency is usually transitory and disappears when rainfall re-wets the topsoil.

     

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