Yes, there are regulations regarding the disposal of old agricultural plastic products. These regulations vary by country and region, but they generally aim to reduce environmental pollution and promote recycling. For example, in the European Union, Directive 94/62/EC on packaging and packaging waste requires the recovery and recycling of plastic waste, including agricultural plastics. In the United States, states may have specific rules, and there are initiatives to promote recycling and proper disposal. Farmers are often encouraged or required to recycle or dispose of plastic products in an environmentally friendly manner to prevent soil and water contamination. It's important to check local regulations for specific guidelines.