![Bio-based materials and ingredients displayed on a table.](https://www.uoguelph.ca/alliance/sites/default/files/styles/large/public/COFS%202022_Innovation%20Pavilion-07_cropped.jpg?itok=mkvpH6u1)
Scientists one step closer to a sustainable bale wrap
University of Guelph researchers have reached the “holy bale” in their quest to create a biodegradable alternative to about 3,500 tonnes of petroleum-based plastic hay bale and silage wrap used in Ontario each year.