Crops

The Department of Primary Industries and Regional Development continues to support the growth and international competitiveness of all crop industries in Western Australia.

With a 2400 kilometre span from its tropical north to its temperate south, WA supports a broad range of cropping industries from rain-fed winter cereals through to irrigated horticultural crops.

In the 2012/13 year the WA cropping industries exported a total of $3.9 billion which comprised: $3.1 billion of cereals, $859 million of pulses, pastures and oilseeds, $142 million of horticultural crops. The major contributors to these exports were wheat ($2.7 billion), canola ($756 million), barley ($377 million), lupins ($42 million), carrots at $48 million, oats ($12 million), and strawberries at $5.5 million.

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Articles

  • Limestone mine near Myalup.

    Lime sources

    3 December 2013

    Agricultural lime is any product that is used to increase the pH of soil. In Western Australia, the three main sources are limesand, limestone and dolomitic lime.

  • Poor nodulation and lower biomass production in sub-clover plants that failed to effectively nodulate due to soil acidity.

    Effects of soil acidity

    3 December 2013

    Aluminium toxicity in the subsurface is the major problem associated with soil acidity in Western Australia.

  • Different types of lime products displayed in small buckets

    Lime quality

    3 December 2013

    Carbonate from calcium carbonate (or magnesium carbonate) neutralises acid in the soil.

  • Agricultural lime dumped in a paddock ready to be spread.

    Case studies in soil acidity management

    31 January 2014

    In this section you will find detailed information on various case studies highlighting the long-term benefits of liming and different options used by farmers for incorporating lime.

  • Limesand deposit

    Comparing limes

    3 December 2013

    Convert to 100% neutralising value (NV) for equal comparison and discount to allow for differences in particle size and speed of reaction.

  • Martin Harries kneeling in a wheat crop

    Focus paddocks 2014 trial report

    18 September 2014

    Management of weeds, disease and nitrogen nutrition are ongoing challenges that limit yield potential.

  • Poor crop establishment in water repellent deep yellow sand in the Chapman Valley

    Soil water repellence - diagnosing the problem

    19 December 2010

    Water repellence results in uneven wetting of soil in autumn which can result in patchy and staggered crop and pasture emergence. Sandy soils are particularly susceptible.

  • Seeder press wheels with setup for banding wetting agents

    Soil wetting agents for water repellent soils

    19 December 2010

    Soil wetting agents reduce the effects of repellence by lowering the surface tension of the water which improves infiltration.

  • Paired-row furrow sowing of wheat on water repellent sandy gravel

    Effective furrow sowing for water repellent soils

    19 December 2010

    Furrow sowing forms micro-relief, small ridges and furrows, into which water can be harvested.

  • Poor wheat establishment on water repellent sandy gravel

    Soil water repellence - the science

    19 December 2010

    Water repellence develops when there is an accumulation of hydrophobic organic substances in a susceptible soil. Hydrophobic compounds are derived from plant and microbial sources.

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