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Iowa - Soybean for Beans
Acreage, Average Yield per Acre, and Production

Crop Year
---------------Acres--------------
Avg. Yield Per Acre
Production
Planted
Harvested
---------Thousand acres--------
Bu.
Thousand bu.
1970
5,709
5,680
32.5
184,600
1971
5,516
5,500
32.5
178,750
1972
6,050
6,000
36.0
216,000
1973
7,700
7,650
34.0
260,100
1974
7,200
7,110
28.0
199,080
1975
7,000
6,970
34.0
236,980
1976
6,470
6,450
31.0
199,950
1977
7,100
7,080
35.5
251,340
1978
7,600
7,550
37.5
283,125
1979
8,200
8,170
37.5
306,375
1980
8,300
8,270
38.5
318,395
1981
8,100
8,050
40.0
322,000
1982
8,470
8,400
36.5
306,600
1983
8,000
7,960
35.0
278,600
1984
8,500
8,400
31.5
264,600
1985
8,200
8,150
38.0
309,700
1986
8,500
8,450
41.5
350,675
1987
7,950
7,900
43.5
343,650
1988
8,150
8,100
31.0
251,100
1989
8,300
8,280
39.0
322,920
1990
8,000
7,900
41.5
327,850
1991
8,700
8,630
40.5
349,515
1992
8,200
8,170
44.0
359,480
1993
8,600
8,300
31.0
257,300
1994
8,800
8,770
50.5
442,885
1995
9,300
9,260
44.0
407,440
1996
9,500
9,450
44.0
415,800
1997
10,500
10,400
46.0
478,400
1998
10,400
10,350
48.0
496,800
1999
10,800
10,750
44.5
478,375
2000
10,700
10,680
43.5
464,580
2001
11,000
10,920
44.0
480,480
2002
10,450
10,400
48.0
499,200
2003
10,600
10,550
32.5
342,875
2004
10,200
10,150
49.0
497,350
2005
10,050
10,000
52.5
525,000
2006
10,150
10,100
50.5
510,050
2007
8,550
8,520
52.0
443,040

Source: National Agricultural Statistics Service
Last Update: 12/6/07

Copyright 2003-2008. Palle Pedersen, Iowa State University Extension.
Please contact us with questions and comments.