Agricultural chemistry salaries can be extremely high, ranging from $114,000 to $20,500 per year. However, the majority of salaries fall somewhere in the middle, ranging from $37,500 for the 25th percentile to $66,500 for the 75th percentile. In the United States, the highest-paid Agricultural Chemists make $99,500 per year, and the salary range varies by about $32,000 based on location.