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.

Articles

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

  • 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.

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

  • In this section you will find answers to commonly asked questions from Western Australian growers and consultants about lime, liming and soil and pH testing, as well as links to other useful inform

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

  • 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.

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

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

  • 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.

  • Soil compaction is rearrangement of soil particles and reduction in macro-porosity and total pore space by stresses.

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