wheat was:

while New England shows 23.5 bu. per acre.

In 1899 In 1909

Minnesota 14.5 bu. per acre 17.4
North Dakota 13.5 bu. per acre 14.3
South Dakota 10.5 bu. per acre 14.6

By 1917 these largely increased, but the differences remain.

"The average extent of land tilled by one family in Japan does not
exceed one hectare" (2.471 acres), less than two and a half acres.
("Japan in the Beginning of the Twentieth Century," page 89.
Published by the Department of Agriculture and Commerce of Japan.)

"Farm households contain on an average 5.8 persons, of whom two and
a half persons per family may be regarded of an age capable of doing
effective work."

"So that here we have more than one person working on each acre and
each acre supporting more than two persons, notwithstanding that
their 22,000,000 tenant farmers pay sometimes four fifths of their
product as rent." (Same, page 103.)

Denmark, one of the best agricultural countries and probably one of
the happiest communities on earth, reported

1,900 farms of 250-300 acres,