Yes, there are regulations that govern the production and sale of biodegradable seedbed mats in agriculture. These regulations vary by country and region, often involving standards for material composition, biodegradability, and environmental impact. For instance, in the European Union, products must comply with the European norms for biodegradability. In the United States, the Environmental Protection Agency (EPA) and the Federal Seed Act oversee certain aspects of these products. Compliance with these regulations is crucial for manufacturers to legally produce and market their biodegradable seedbed mats. It's recommended to consult local agricultural and environmental protection agencies for specific regulations applicable in a given area.