Brian MacDonald Antique Rugs & Carpets has dated this piece to the 1920s.
Symbolically, the plain right side shows the bare earth with the wheat starting to grow - the left side depicts the bounty of god. The bottle-shape, knotted pile section in the centre probably symbolises the container for the wheat.

This is a beautiful utilitarian weaving made during the first half 20th century by Luri - Bakhtiari nomads in the Chahar Mahal region of western Persia, and such pieces make very attractive wall hangings - woven works of art!
Size: 1.00m x 1.18m (3' 3" x 3' 10")
Brian MacDonald Antique Rugs & Carpets has dated this piece to the 1920s.
Dealing in antique and old tribal rugs, dowry weavings and decorative carpets from the near east and central asia since 1979.
You can view the stock and full dealer information on the Brian MacDonald Antique Rugs & Carpets Profile Page