1. Resource recycling: agricultural waste such as cow manure is converted into organic fertilizer, which realizes the resource utilization of waste and reduces the pollution to the environment.

2. Reduce fertilizer use: Organic fertilizer can be used as a substitute for chemical fertilizer to reduce dependence on fertilizer and reduce the negative impact of excessive use of fertilizer on soil and water.

3. Improve crop quality: The quality of crops grown with organic fertilizers is usually better than that of crops using chemical fertilizers, because organic fertilizers can provide more comprehensive and lasting nutrients, helping to improve the stress resistance and nutritional value of crops.

4. Policy support and market potential: National policies encourage the use of organic fertilizers, providing policy support and financial subsidies, while the market demand for healthy food and environmental protection products has increased, providing a broad market space for organic fertilizers.

5. Technological progress: With the development of technology, the automation and intelligence level of organic fertilizer equipment has been continuously improved, improving production efficiency and product quality.

6. Environmental protection process: Organic fertilizer production line adopts environmental protection process to reduce pollutant emissions in the production process and meet the national environmental protection requirements.

Through the above advantages, cow manure organic fertilizer production line not only improves agricultural production efficiency, but also helps to achieve sustainable development of agriculture and environmental protection.