How frequently must a nutrient management plan be reviewed and updated?

A nutrient management plan should be reviewed and updated at least every three years to ensure it remains effective and relevant to current agricultural practices and environmental conditions. This frequency allows for regular assessment of nutrient applications based on changing crop needs, soil health, and changes in regulations or best management practices. Additionally, such periodic reviews help farmers adjust their strategies based on data collected over the years, including yield performance and soil testing results. Regular updates are crucial to maintaining compliance with state guidelines and to promote sustainable practices that minimize nutrient runoff and environmental impacts.