Land Resources Leader, Glenn Bailey and his South Australia colleague, Brian Hughes, presented a paper to the Soil Science Australia conference regarding their work with soil delving. The process of “delving” clay to the surface began in the south east of the state in order to address the limitation of water repellency. Clay delving was seen to mimic the water repellency ameliorating effects of clay spreading, only without the expense of importing the clay. Subsequently it has become clear that the delving process also addresses a number of other limitations associated with sandy soils. This paper discusses some of the improvements observed in the A2 horizons of 12 sand over clay soils. For the full paper in PDF click here.
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