old glass bottles are crushed, tumbled to remove sharp edges, soaked in fertiliser and room temp water producing slow release silicon(sand) based fertiliser compared to current fertilisers which dissolve in minutes #farming www.asme.org/topics-resou... www.advancedsciencenews.com/crushed-glas...
Turning Waste Glass into Sustainable Fertilizer - ASMEAndela Products worked with a Cornell University student to turn waste glass into nutrient-rich silica pellets that are then used to fertilize soil sustainably.www.asme.org