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May 31, 2023
U.S. Farm Commodity Support: Base Acres and Payment Yields
The Agriculture Improvement Act of 2018 (2018 farm bill; 
were eligible for support through a different mechanism. 
P.L. 115-334) reauthorized the Price Loss Coverage (PLC) 
Farmers received base acre allocations in proportion to their 
and the Agriculture Risk Coverage (ARC) programs for 
1981-1985 plantings. The Farm Security and Rural 
crop years 2019-2023. These programs provide income 
Investment Act (2002 farm bill; P.L. 107-171), the Food, 
support to producers of certain eligible commodities. The 
Conservation, and Energy Act of 2008 (2008 farm bill; P.L. 
amount of support varies by commodity and from year-to-
110-234), and the Agricultural Act of 2014 (2014 farm bill; 
year based on program enrollments and market conditions. 
P.L. 113-79) changed the list of eligible commodities, 
The U.S. Department of Agriculture (USDA) administers 
added new base acres for oilseed and pulse crops, and 
PLC and ARC. For additional information about these 
allowed for producers to make voluntary changes to their 
programs, see CRS Report R45730, Farm Commodity 
base acre commodity allocations.  
Provisions in the 2018 Farm Bill (P.L. 115-334).  
Table 1. Millions of Total Base Acres, Enrolled Base 
USDA calculates payments from the PLC and ARC 
Acres, and Planted Acres, by Commodity 
programs based on a farm’s enrolled base acres and 
payment yields. Base acres and payment yields are units of 
Total 
Enrolled 
Total 
production that Congress authorized USDA to give to 
Covered 
Base 
Base 
Planted 
eligible producers at specific points in time and in 
Commodity 
Acres 
Acres 
Acres 
proportion to the farm’s historical production of certain 
Barley 
6.23 
5.39 
2.79 
commodities. Providing PLC and ARC payments per base 
acre and payment yield—as opposed to per planted acre or 
Corn 
100.74 
94.81 
90.56 
per harvested quantity—decouples payments from annual 
Cotton (Seed) 
13.86 
11.38 
12.70 
production. Prior to the 1990s, commodity support 
programs provided payments based on annual production, 
Oats 
2.67 
2.09 
2.74 
which incentivized farmers to plant crops based on program 
Minor Oilseeds 
3.55 
3.46 
4.18 
payments instead of market conditions. Decoupling 
commodity support from planting decisions has been a goal 
Peanuts 
2.60 
2.46 
1.53 
of agricultural policy since the 1990s and helps fulfill U.S. 
commitments under the World Trade Organization (WTO) 
Pulses 
0.85 
0.82 
1.95 
Agreement on Agriculture. As it considers the next farm 
Rice 
5.01 
4.65 
2.59 
bill, Congress may consider changes to the PLC and ARC 
programs and base acre and payment yield allotments. 
Sorghum (Grain) 
9.83 
8.65 
6.19 
Base Acres 
Soybeans 
55.84 
53.55 
83.52 
Base acres and payment yields are associated with specific 
Wheat 
69.72 
63.28 
45.60 
tracts of farmland. USDA allocated these units to eligible 
Total 
270.90 
250.55 
254.36 
farmers in proportion with historical production in 
accordance with 7 U.S.C. §9011. Base acre allocations may 
Source: CRS calculations using USDA Farms Service Agency (FSA) 
transfer to the new owner when the associated land is sold. 
program records and USDA National Agricultural Statistics Service 
Landowners can reallocate base acres between tracts of land 
(NASS) Quick Stats database. 
owned by the same farm under certain conditions. 
Notes: Total base acres are values for the 2021 crop year and 
Landowners may permanently reduce their base acres 
exclude acres without a commodity allocation. Enrol ed base acres 
voluntarily at any time and are required to reduce base acres 
and total planted acres are averages for the 2019-2022 crop years. 
associated with land that is permanently removed from 
Enrol ed base acres participate in the Agricultural Risk Coverage 
agricultural production (e.g., land sold for redevelopment). 
Program or the Price Loss Coverage Program. Minor oilseeds include 
Statute requires USDA to ensure that a farm’s total base 
canola, crambe, flaxseed, mustard seed, rapeseed, safflower, sesame, 
acres do not exceed the farm’s actual cropland acreage, 
and sunflower seed. Pulses include large and smal  chickpeas, dry 
with limited exceptions. 
peas, and lentils. Rice includes long, medium, and japonica varieties. 
USDA originally allocated base acres to farmers for 
The 2014 farm bill excluded cotton as a covered 
specific commodities (i.e., covered commodities) (Table 1). 
commodity in response to a WTO dispute settlement case 
In the Federal Agriculture Improvement and Reform Act of 
with Brazil. Cotton base acres were renamed generic base 
1996 (1996 farm bill; P.L. 104-127), Congress granted base 
acres, and farms with generic base acres were potentially 
acres—then called “contract acres”—for wheat, corn, grain 
eligible for PLC and ARC payments if they planted eligible 
sorghum, barley, oats, cotton, and rice. At the time, peanuts 
crops on land associated with generic base acres. The 
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U.S. Farm Commodity Support: Base Acres and Payment Yields 
Bipartisan Budget Act of 2018 (P.L. 115-123) added seed 
and/or past years of relatively good harvests. A mandatory 
cotton as a covered commodity and required farmers to 
update of payment yields based on recent actual yields 
convert their generic base acres into either a covered 
would require USDA to reduce certain payment yields and 
commodity or unassigned base acres.  
increase payment yields for other commodities. A voluntary 
update of payment yields would allow farmers to retain 
In total, there were more total base acres in 2021 than 
certain existing payment yields while updating payment 
average acres planted with covered commodities in 2019-
yields for other commodities.   
2022 and more average acres planted than enrolled in PLC 
and ARC (Table 1). Barley, corn, grain sorghum, peanuts, 
Figure 2. Ratio of Average Payment Yield to Actual 
rice, and wheat had more average enrolled base acres than 
Yield by Commodity, 2019-2022 
planted acres—reflecting farmers’ preferences for 
maintaining base acre allocations to crops grown 
historically on the land and changes in planting patterns 
after 2018 in response to market conditions. Farmers may 
prefer to maintain base acre allocations to certain crops due 
to variations in average PLC and ARC payments across 
commodities (Figure 1).    
Figure 1. Average Total PLC and ARC Payments per 
Enrolled Base Acre by Commodity, 2019-2022 
 
Source: CRS calculations using USDA FSA program records and 
USDA NASS Quick Stats database. 
Note: Actual yields not available for crambe, seed cotton, or sesame 
seeds.  
Issues for Congress 
Base acres and payment yields are long-standing features of 
agricultural commodity support policy. Since the 1990s, 
Congress has expanded the list of commodities available for 
  support and given farmers opportunities to voluntarily 
Source: CRS calculations using USDA FSA program records for the 
update their base acres and payment yields at specific 
2019-2022 crop years and Congressional Budget Office estimates for 
points in time. Farmers who began producing covered 
ARC and PLC payments for the 2022 crop years. 
commodities after the last time new base acres were granted 
Note: Mustard seed, oats, japonica rice, safflower, sesame seed, and 
may be ineligible for PLC or ARC due to lack of base 
sunflower seed each averaged less than $2 per base acre per year.   
acres. Farmland with base acres may be more expensive to 
purchase or rent than farmland without base acres due to the 
Base Acre Enrollment in PLC and ARC  
potential to receive PLC and ARC payments. Limited 
Base acre allocations do not need to match planted acre 
resource farmers may be at a competitive disadvantage to 
allocations in order to enroll in PLC or ARC. Statute 
rent or purchase land with base acres. Producers of color 
requires reductions in PLC and ARC payments if farmers 
are less likely to own base acres than other producers due to 
plant fruits, certain vegetables, and/or wild rice on land 
a variety of factors, including smaller average land holdings 
with associated base acres. Farmers—except socially 
and a tendency to specialize in production of non-covered 
disadvantaged, limited resource, veteran, and beginning 
commodities. For additional background on producers of 
farmers—must have at least 10 base acres to be eligible to 
color, see CRS Report R47066, Racial and Ethnic Equity in 
receive PLC or ARC payments. Base acres associated with 
U.S. Agriculture: Selected Current Issues.   
land enrolled in the Conservation Reserve Program (CRP) 
cannot be enrolled in PLC or ARC. Total base acre 
Agricultural stakeholder groups assert that additional grants 
enrollments in PLC and ARC may vary from year to year 
of base acres, additional voluntary commodity 
due to many factors, including changes in CRP enrollments.  
reallocations, and/or payment yield updates could increase 
the usefulness of the PLC and ARC programs for 
Payment Yields 
producers. Funding additional base acres and/or payment 
Payment yields are a farm’s average historical yield per 
yield increases could increase the costs of the PLC and 
acre per covered commodity and can be based on yields 
ARC programs, which may require additional funding or 
from the 1980s. Actual yields have increased on average 
reductions for other farm bill priorities. Congress may 
since the 1980s with changes in seed genetics and other 
consider the impacts of mandatory or voluntary updates of 
innovations. Congress allowed farmers to voluntarily 
existing allocations.  
update their payment yields in the 2002 farm bill, the 2014 
farm bill, and the 2018 farm bill. Some commodities have 
Stephanie Rosch, Analyst in Agricultural Policy   
average payment yields that are greater than recent average 
Christine Whitt, Research Associate  
yields (Figure 2) because of recent relatively poor harvests 
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U.S. Farm Commodity Support: Base Acres and Payment Yields 
 
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