Managing soils

Soil productivity is largely determined by its ability to provide water and nutrients to plants along with the way the soil constraints are being managed by growers. In many instances a particular soil will be constrained by more than one physical or chemical characteristic. In many cases, there are practical and profitable management options to reduce the effects of a constraint, leading to improved yields and profitability. Recognising soil constraints and their potential impact on agricultural systems is difficult, but very important. The department can provide the technical information needed for growers to understand the condition and properties of their soils, and develop management strategies to increase productivity and profitability and improve soil condition.

Articles

  • This page contains information about managing nutrition in canola crops in Western Australia.

  • Extensive wind erosion of field pea stubble often follows grazing over summer and autumn. Semi-leafless field pea varieties have reduced lodging, improved pod-height and reduced pod-shatter.

  • Liming to recover an acidic soil to an appropriate pH can result in significant production benefits, however a response to liming indicates that previous production has been lost due to an acidic t

  • The rate of soil acidification due to agriculture can be reduced but not eliminated. Liming will always be needed to prevent the soil from becoming too acidic.

  • Soil acidification occurs naturally very slowly as soil is weathered, but this process is accelerated by productive agriculture.

  • A small decrease in soil pH represents a large increase in soil acidity.

  • 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.

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

  • 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.

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