Commercial Field Production Fertility Trial. Conducted in Stockton, California, 2002. The comparison between the Growers Standard Fertilization Regime and Nutri-Phite^® and Sulfone^™. Fertilizer applications were made three times (3/29/02, 4/26/02, 5/15/02).

There was an 8% increase in Percent Jumbo using the Nutri-Phite® and Sulfone™ over the growers standard. There was a marked increase in production. The Nutri-Phite® treatment increased yield by 42% and the Sulfone™ treatment increased yields by 35%.