The benefits of policy support for organic fertilizer production lines are mainly reflected in the following aspects:

1. Reduce production costs: The government provides financial subsidies to encourage the production and use of organic fertilizers. The production and sale of organic fertilizers are exempt from value-added tax, and the comprehensive utilization of crop straw products can enjoy value-added tax refunds.

2. Improve market competitiveness: Policy support helps companies improve product quality and service levels and enhance market competitiveness. Government support helps companies establish a good brand image, enhance brand awareness and reputation, and enhance brand influence.

3. Promote industrial upgrading: The government supports companies in technology research and development and organic fertilizer equipment updates to promote industrial upgrading. Policy support helps companies integrate resources, form a complete industrial chain, and jointly promote the development of the organic fertilizer industry.

4. Promote sustainable development: Policy support helps companies adopt environmentally friendly and energy-saving equipment, reduce energy consumption and pollutant emissions in the production process, and meet the requirements of sustainable development. Policy support helps companies convert agricultural waste into organic fertilizers and realize the recycling of resources.

In summary, policy support provides many benefits for the development of organic fertilizer production lines, including reducing production costs, improving market competitiveness, promoting industrial upgrading, promoting sustainable development, and enhancing market confidence. These policies not only contribute to the development of enterprises, but also promote the overall progress of the organic fertilizer industry.