Function Two traditional sod-covered potato cellars in southeastern Idaho Root cellars are for keeping food supplies at controlled temperatures and steady humidity. Many crops keep longest just above freezing (32-35 degrees . Fahrenheit ) and at high humidity (90–95\%), but the optimal temperature and humidity ranges vary by crop, and various crops keep well at temperatures further above near-freezing but below room temperature  . A few crops keep better in low humidity. Root cellars keep food from freezing during the winter and keep food cool during the summer to prevent spoilage . Typically, a variety of vegetables are placed in the root cellar in the autumn after harvesting. A secondary use for the root cellar is as a place to store wine, beer, or other homemade alcoholic beverages.
Function Two traditional sod-covered potato cellars in southeastern Idaho Root cellars are for keeping food supplies at controlled temperatures and steady humidity. Many crops keep longest just above freezing (32-35 degrees Fahrenheit or 1-3 degrees Celsius ) and at high humidity (90–95\%), but the optimal temperature and humidity ranges vary by crop, and various crops keep well at temperatures further above near-freezing but below room temperature , which is usually 65-70 degrees Fahrenheit . A few crops keep better in low humidity. Root cellars keep food from freezing during the winter and keep food cool during the summer to prevent the spoiling and rotting of the roots, for example, potatoes, onions, garlic, carrots, parsnips, etc. . Typically, a variety of vegetables are placed in the root cellar in the autumn after harvesting. A secondary use for the root cellar is as a place to store wine, beer, or other homemade alcoholic beverages.
R
. Fahrenheit
Fahrenheit or 1-3 degrees Celsius
A
, which is usually 65-70 degrees Fahrenheit
R
spoilage
the spoiling and rotting of the roots, for example, potatoes, onions, garlic, carrots, parsnips, etc.