Corbin Cash Merced Rye Whiskey came about after the Souza family realized that they needed to grow a nitrogen-fixing crop to fertilize the soil in-between harvest of sweet potatoes, the main product of the family farm. Not only does the Merced rye fertilize the soil, it's also the only grain used to produce this rye whiskey. The rye is grown, harvested, fermented and distilled all on the Souza family farm. After aging for almost 4 years in custom-charred white oak barrels from Missouri, the whiskey is bottled at 45% abv.