This trial was conducted on gravelly loam soil in Badgingarra by Bayer Crop Science. It was designed to compare the efficacy of Aviator® Xpro® to commercial standards for sclerotinia control and to compare yield and return on investment/ha. All treatments significantly reduced sclerotinia infection levels compared to the untreated. This trial also showed increasing the rate of fungicide increases early activity on active disease but will also increase the length of protection from reinfection.
Clay spreading is a proven method for the amelioration of the water repellence and the improvement of productivity but it requires high initial capital investments and the outcomes can be quite variable.The aim of this trial is to identify the best combination/s of clay application rate and the subsequent method of incorporation in the topsoil (in combination with deep ripping) in order to increase the cost-effectiveness of this soil amelioration option in the northern region.Overall, tillage methods had a significant and negative effect on yield, with only the one-way plough tillage having a positive effect in comparison to the control treatment. Yields increased with increasing incorporation of subsoil clay, although the result was not statistically significant.
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