I'm concerned about the environmental impact of my poultry operation, particularly the management of poultry manure. While manure is a valuable fertilizer, improper management can lead to environmental pollution. What are the best practices for managing poultry manure in a sustainable and environmentally responsible manner? How can I effectively utilize poultry manure to enrich my soil without causing water or air pollution? Are there composting techniques or other methods for safely processing manure to reduce odors and pathogens? I need detailed information on building a sustainable poultry manure management system that minimizes environmental impact, maximizes the benefits of manure as a fertilizer, and complies with relevant environmental regulations.