Higher Yields

The determination of Iowa farmers to get the best return for their efforts has led to a momentous transformation in the quantity and quality of grains and livestock produced on Iowa farms. The first agricultural transformation arrived with the steel plow, which led to increased national grain production. The second transformation came in the form of a tractor, retiring horses from the chore of plowing while increasing the size of the fields that could be farmed with less labor. The third transformation, genetic engineering, enables farmers to custom-design crops and livestock.

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