A Simple fix for Farming

It is becoming clear that we can grow all the food we need, and profitably, and with far fewer toxic chemicals. Conventional agriculture can shed much of its chemical use - if it wants to. What may have been be the most important agricultural study in years - was done on land owned by Iowa State University called the Marsden Farm. On 22 acres of it, beginning in 2003, researchers set up 3 plots: one replica-cated the typical Midwestern cycle of planting corn one year and then soybeans the next, along with its routine mix of chemicals. On another, they painted a 3-year cycle that included oats; the 3rd plot added a 4-year cycle and alfalfa.

The results were stunning: The longer rotations produced better yields of both corn and soy, reduced the need for nitrogen fertilizer and herbicide by up to 88% reduced the amounts of toxins in groundwater 200-fold, and didn't reduce profits by a single cent. In short, there was only upside associated with the longer rotations.

There was an increase in labor cost, but remember that profits were stable. So this is a matter of paying people for their smart work instead of paying chemical companies for poisons. And the stakes are high. According to the EPA, about 5 billion lbs. of toxic pesticides are poured on U.S. farmland every year. 








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