Detta Publication Issue existerar inte på ditt språk, Se i: English (en),
Eller använd Google Translate:  

The terms “sweet potato” and “yam” are often used interchangeably; however, they are actually two entirely different crops. Only sweet potatoes (Ipomoea batatas) are grown in the U.S.; yams (Dioscorea spp.) are grown in the Caribbean and many other tropical areas.


Collections