The record was in Missouri in 2010, at 160 bushels an acre.
It varies from year to year, of course, but the statewide average is very near 50 bushels per acre.
2011 average for Iowa was 50.6 bushels/acre, making it the second state for soybean yield, after Nebraska. (One of the sources listed below in the related links puts Iowa's 2011 yield per acre third behind Nebraska and Illinois, but USDA puts it second.)
Once again it varries on location, soil and rain fall. Currently in central Indiana my family is running at 50 bushels per acre which is about average for us.
57.9 bu per acre
70 pounds per acre
In 2006, the US produced 3.197 billion bushels of soybeans from 74.6 million acres with an average yield of just under 43 bushels per acre.
The U.S. average yield for 2010 was 46.6 bushels/acre, 43.0 bu/a in 2011.
The average yield of corn per acre in Pennsylvania is approximately 150 bushels. The average soybean yield is 40 bushels per acre.
In 2009 Kansas farmers produced 160.6 million bushels of soybeans from 3.65 million acres for an average yield of 44 bushels per acre.
U.S. average yield for 2010 was 46.6 bushels (of 60 pounds each) per acre. Canada and Brazil average yield was the same or very close. The top record for 2010 was 160 bushels per acre on a special irrigated field, the same farmer managed an average of 100 bushels per acre on the whole 300 acres of soybean he planted.
How many kilograms of what?
50 bushels per acre is not uncommon, depending on the variety and other conditions.
Medieval rice farmers in Japan produced about 88 bushels of rice per acre. With today's farming methods as much as 241 bushels per acre are being reported.
For the 2009 crop season, Texas' average corn yield was 108 bushels per acre.
A lot of guys will tell ya a bushel to a bushel and a half per acre but i like to put out 2 bushels to the acre for a good stand.
The five-year average corn yield for North Carolina is 109 bushels per acre.
It depends on what kind of beans, how well the farmer grew the crop, whether his farm is good for growing beans, the weather, etc. It will typically range somewhere between 20 bushels per acre and 160 bushels per acre.