Nature and EnvironmentBiodegradable ground foil for farming04:48This browser does not support the video element.Nature and Environment04/17/2016April 17, 2016Plastic ground foil keeps weeds at bay and protects crops from dirt. But it needs to be replaced regularly and is not biodegradable. Chemists are developing a biodegradable alternative based on cellulose that is simply sprayed onto the ground.Copy linkAdvertisement