The aim of this paper is to describe the development and the application of novel biodegradable polymeric materials based on hydrolyzed proteins, derived from waste products of the leather industry, to be used in the agricultural application, in particular as biodegradable mulch spray coatings in horticulture and to create biodegradable containers for seedlings. Through the appropriate dosage of additives such as natural fibres, fillers, pigments and plasticizers, it is possible to modulate the physico-chemical and mechanical properties, and the mulching effect of films. Tests were carried out in order to prove the feasibility of the novel spray mulching coatings by investigating their functionality and the mechanical behavior in a standard and controlled experimental condition during the field test. The biodegradable containers for seedlings transplanting were tested in a field test; the seedlings, starting from the seeds, grew inside the innovative containers.
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