An acre is measured by an area whereas a bushel is measured by weight. An acre of ground is 43,560 square feet. Producers will plant soybeans on ground and depending on hybrid, weather, soil...
Exactly 0.459 acres.
97 acres.
640 acres = 1 square mileI don't know what "square mile acre" means.
1 acre is 4840 square yards. 'Square acre' has no meaning