Ammonium, sodium, potassium nitrates; urea prills, potash; superphosphate; dry mix with 0.05% "Petro" AG Special, or spray with 25-50% solution of "Petro" AG Special. If desired, follow the above operation with 1-2% kaolin clay, or other compatible inert. Diammonium phosphate, potash, urea crystals, ammonium sulfate, meter 0.05% "Petro" AG Special (in solution form) into the fertilizer chemical in a slurry or solution before it is crystallized. The "Petro" AG Special is thus "built-in." Nitrogen solutions. "Petro" AG Special is a valuable additive to nitrogen solutions. 0.02% "Petro" AG Special will lower the surface tension of the N solution about 40% and greatly improve direct application or ammoniation processes utilizing N solutions. The finished fertilizer is conditioned by the "Petro" Ag Special present in the N solutions used.
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