South Coast research reveals best clay rates

Updated March 10 2016 - 1:49pm, first published November 2 2010 - 4:07pm
Clayed canola in WA’s South Coast region, left, where clay comprises 7 per cent of the soil, compared with unclayed canola, where the soil contains 0.5 per cent clay.
Clayed canola in WA’s South Coast region, left, where clay comprises 7 per cent of the soil, compared with unclayed canola, where the soil contains 0.5 per cent clay.

GROWERS applying clay to overcome subsoil constraints on Western Australia’s south coastal sandplain soils will achieve maximum yield benefits if the clay comprises 5-7 per cent of soil.

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