34 acres
no
10 acres
all farms are different sizes.
Manitoba haves 18.8 million acres of farm land
According to the USDA's National Agricultural Statistics Service, in 2011 Alaska had 680 farms totaling 880,000 acres.
Sunny Acres Farms - 2012 was released on: USA: 14 January 2012 (limited)
about 49,000
The average size of farms between 1997 and 2002 grew from 431 acres to 441 acres, and the number of farms with 2,000 acres or more grew from 74,426 to 78,037.
According to the USDA 2008 Organic Production Survey, there were 4.1 million acres of farms and ranches in organic production, comprised of 14,540 individual farms. They were counting only those farms that were certified organic or were exempt from certification because their sales were less than $5,000US annually.
As many as 50 million acres of land were destroyed by the effects of The Dust Bowl, another 50 million acres endangered.
I think the category you are looking for is "rural".