Researchers have found a way to turn waste cooking oil collected from cafes and restaurants into a slow release fertilizer that results in better plant health and less wasted nutrients.
The fertiliser uses the waste canola oil and sulphur, a waste product from the petroleum industry, to form a degradable polymer coating to encase each fertiliser pellet. Dr Justin Chalker, lead researcher of the study, says the food waste product could make an important contribution to the circular economy.What else to read
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