Separating urine, they said, also allows its use as an agricultural fertilizer.

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

New agricultural fertilizers must undergo an assessment of potential impacts on the environment and human health.

He is expected to contend that he sold Iran agricultural fertilizers.

Quite often the source of nutrients is sewage or agricultural fertilizers draining into the water system.

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

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

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

The water is particularly pure, as it has not been polluted by agricultural fertilizers, pesticides, etc.

His expansion plans have also been put on hold by potential new European legislation to reduce water pollution from agricultural fertilizers and manure.

District operations are supported by user fees and sales of agricultural fertilizer, while debt service is paid from property taxes.

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

The starfish populations have exploded because of nutrient runoff from agricultural fertilizers.

"We now take more nitrogen from the air, mostly through the manufacture of agricultural fertilizers, than we give back," he said.

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

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

This is believed by some to be due to groundwater pollution from agricultural fertilizers increasing the nutrient levels.

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

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

The program has managed to clean up dumped toxic chemicals, including pesticides and agricultural fertilizers, in developing countries.

China is one of the biggest importers of potash, used in agricultural fertilizers.

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

The edict also called for stabilizing prices on medical services and for certain agricultural fertilizers.

It is a mechanistic-stochastic model simulating groundwater contamination by agricultural fertilizers.

Maerl has been extracted for centuries mainly for use as an agricultural fertilizer.