Costa Group Sunraysia divisional manager (citrus) Tania Chapman says the “valuable research” conducted by SP Singh was embraced by her company as it was consistent with the safe-quality focus at the business.

Tania said Costa had citrus farms and packing sheds in the Sunraysia at Nangiloc and Colignan, just over the Murray in Trentham – a short hop across the SA border in Renmark – and as...