AD Trials 1
AD Trials 2
Biofertiliser and Compost Trials on Mineral Extraction sites in Wales
The research was commissioned by the Welsh Assembly Government via WRAP Cymru. The trials were at 4 locations in Wales covering aggregate, slate, coal and metaliferous extraction. Anaerobic digestate and PAS 100 compost were added to quarry waste to encourage plant growth. Early results showed dramatic improvements.