Organic-containing ammonium sulfate fertilizers are typically comprised of 80% ammonium sulfate synthetic fertilizer. In addition, roughly 90% of the nitrogen and sulfur content is chemically derived from ammonia and sulfuric acid.
A typical application of an organic-containing ammonium sulfate fertilizer will add a mere 16 lbs. of organic matter per acre compared to over 3,000 lbs. per acre when manure is applied at recommended levels for use as a soil amendment. Using this type of fertilizer results in increases in the organic matter in typical soil by a meager 0.001%, while delivering only approximately 80% of the nutrient density of ammonium sulfate.
Wholesalers, dealers, and growers have to ship, store, and use 20% more organic-containing ammonium sulfate fertilizer to provide the same amount of nutrient and agronomic benefit to the crop as ammonium sulfate.