<p><strong>Aim:</strong> to optimise and undertake on-farm testing of the Spikey<sup>&reg; </sup>prototype.</p>
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<h3>Latest update</h3>
<p><em>"NEW TECHNOLOGY TO LOCATE AND TREAT URINE PATCHES TESTED: </em><em>The investigative work on Spikey<sup>&reg;</sup> , a technology to locate and treat urine patches within a paddock shortly after grazing, has clearly demonstrated its efficacy. The study tested the technology in six soils and under both irrigated and non-irrigated conditions.</em></p>
<p><em>The collated data base of conductivity readings will be used as a reference data source for the on-going development of the urine patch identification algorithms. A hand-held version of Spikey<sup>&reg;</sup>&nbsp;has since been developed and will be used in a new project to test the efficacy of targeted application of nitrogen transformation inhibitors (urease and nitrification) and gibberellic acid for reducing ammonia and N2O emissions and leaching losses of N from cattle urine. This study will also assess the effect of these treatments applied beyond the detectable urine patch to cover the edge effect."</em></p>
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