Bioplastic derived from soya protein which can absorb up to forty times its own weight. Researchers are testing the strength of a new organic material as a dispenser of micronutrients in crops. This new product, which is organic and biodegradable, is environmentally friendly. For that reason, the experts are exploring its use in the area of horticulture, specifically as a raw material from which to make agricultural nutrient dispensers. Source 4x.