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Diffuse source pollution from agricultural fertilizers is more difficult to trace, monitor and control.

Monoammonium phosphate is often used in the blending of dry agricultural fertilizers.

"Most of the nutrients that created it came from agricultural fertilizers in the Midwest."

Ammonium sulfate is a common agricultural fertilizer providing nitrogen and sulfur.

The base chemicals were commonly used to make agricultural fertilizer and were easy to convert to something more deadly.

The process, used to make nitric acid, revolutionized the production of agricultural fertilizer.

Use of struvite as an agricultural fertilizer was in fact first described in 1857.

Petrokemija is a Croatian chemical company which specializes in manufacturing agricultural fertilizers.

Hydropress, which usually makes agricultural fertilizer out of the sludge, has been unable to do so because of the problem.

A side benefit was that the phosphorus containing slag could be used as an agricultural fertilizer.