The potential long-term environmental impact of the use of organic fertilizer equipment is mainly reflected in the following aspects:

1. Soil improvement: Organic fertilizer can improve soil structure, increase soil organic matter content, improve soil water retention and permeability, thus helping to improve soil fertility and crop growth conditions. Long-term application of organic fertilizer can significantly increase the content of soil organic matter, increase the number of soil aggregates, and enhance the stability of aggregates.

2. Reduce the use of chemical fertilizers: organic fertilizers can be used as a substitute for chemical fertilizers to reduce the dependence on chemical fertilizers and reduce the negative effects of excessive use of chemical fertilizers on soil and water, such as reducing water eutrophication and soil hardening.

3. Greenhouse gas emissions: The application of organic fertilizers may affect greenhouse gas emissions. However, by optimizing fermentation processes and application methods, emissions of these gases can be reduced and even reduced by changing the microbial community structure in the soil.

4. Prevention and control of agricultural non-point source pollution: The application of organic fertilizers helps to reduce agricultural non-point source pollution, such as reducing the loss of nitrogen, phosphorus and other nutrients, and reducing the risk of non-point source pollution in farmland.

5. Resource recycling: organic fertilizer equipment converts agricultural waste into valuable fertilizer, realizes the resource utilization of waste, and reduces the pollution of waste to the environment.

Through the above impact, organic fertilizer production lines not only improve the efficiency and quality of agricultural production, but also help achieve sustainable development of agriculture and environmental protection.