" California Liquid Fertilizer sold what seemed to be an organic farmer's dream, brewed from fish and chicken feathers."
"But a state investigation caught the Salinas-area company spiking its product with ammonium sulfate, a synthetic "
Ammonium sulfate is a natural product and can be found in nature, but not it the amounts needed to maintian a fertilizer buisness. Under federal standards, the nitrogen in a fertilizer for organic farming must come from a natural source. But standard laboratory analyses used by organic regulators tell only how much nitrogen is in a fertilizer, not where it came from. Isotope testing was done to determine the source.
So when buying organic buy from a local source that you trust.



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