"Some California farmers poured tons of fertilizer on their organic crops for years, not knowing the supposedly organic fertilizer was spiked with a synthetic chemical, the Sacramento Bee reveals in an investigation.
The additive, ammonium sulfate, is commonly used in non-organic farming. But organic growers eschew such additives -- marketing and pricing their produce accordingly.
Unbeknownst to the farmers, the fertilizer made from chicken feathers and fish also had a dose of ammonium sulfate.
The state ultimately discovered the problem in 2004, but failed to tell organic farmers that what they had been using for years was not organic, the Bee says."
Read the article