Three demonstration sites were established over the 4 years looking at the interaction of lime rate and cultivation in changing subsoil pH. Sites were located in Warrdarge and North Badgingarra. Spading and mouldboarding to incorporate lime are both relatively expensive methods of increasing subsoil pH and reducing non-wetting. These NACC funded demonstrations aimed to asses the effectiveness of modified one-way plough at achieving subsoil pH change.
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