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Rotary spading of water repellent deep yellow sand at Binnu 2009

Rotary spading and deep cultivation to ameliorate soil water repellence

19 December 2010

One-off deep cultivation can reduce the severity of soil water repellence.

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

Soil water repellence - overview

14 November 2013

Soil water repellence is caused by an accumulation of waxy organic matter in the soil surface. It is worse in sandy textured topsoils.

Carry graders excavating a pit for clay spreading

Claying to ameliorate soil water repellence

25 January 2011

Claying involves adding and incorporating clay-rich subsoil into water repellent topsoil to overcome the repellence.

Knife points on plot seeder showing in-furrow liquid banding kit used to band soil wetters near the seed (Photo: Living Farm)

Soil wetting agents for water repellent forest gravel soils 2015 trial report

13 May 2016

Banding soil wetting agents with the seed can improve establishment on water repellent soils often having the same effect as seed placement on the furrow surface.

One-way disc plough in action

Assessing options for managing water repellent gravel soils 2015 trial report

6 April 2016

On water-repellent loamy gravels (forest gravels) banded soil wetting agents and one-off deep tillage can significantly improve crop establishment, growth and grain yield.

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