1.   Ammonia is a primary raw material for the production of diammonium phosphate fertilizer.

2.   Englewood, Colorado-based Nu-West makes phosphate fertilizer.

3.   Freeport McMoRan Resource Partners has a joint venture with IMC Global Inc., IMC-Agrico, that produces phosphate fertilizers and other products.

4.   Phosphate fertilizer is used principally on corn, wheat and soybeans.

5.   Syria exports cotton to Morocco and imports phosphate fertilizers.