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Cultivated and Non-Cultivated Cropland, by Region and Year

Estimates presented here are based upon the latest information from the National Resources Inventory (NRI). The NRI is a longitudinal sample survey based upon scientific statistical principles and procedures. It is conducted by the U.S. Department of Agriculture’s Natural Resources Conservation Service (NRCS), in cooperation with Iowa State University’s Center for Survey Statistics and Methodology. These results are based upon the 2007 NRI, which provides nationally consistent data for the 25-year period 1982–2007. Estimates here cover the contiguous 48 states. Separate estimates include Hawaii, Alaska, and the Caribbean.

Margins of error are reported for each NRI estimate and must be considered at all scales of analysis. The margin of error is used to construct the 95 percent confidence interval for the estimate. The lower bound of the interval is obtained by subtracting the margin of error from the estimate; the upper bound is obtained by adding the margin of error to the estimate. A 95 percent confidence interval means that in repeated samples from the same population, 95 percent of the time the true underlying population parameter will be contained within the lower and upper bounds of the interval.

Table 26. Cultivated and Non-Cultivated Cropland, by Farm Production Region and Year, in Thousands of Acres, with Margins of Error
Region Year Cultivated Cropland Non-Cultivated Cropland Total Cropland
Appalachian 1982 18,508.9
±365.9
4,081.6
±222.6
22,590.5
±346.9
1987 16,790.0
±375.3
4,398.4
±199.0
21,188.4
±377.2
1992 14,691.8
±340.4
4,946.5
±200.4
19,638.3
±347.8
1997 13,630.9
±344.0
5,536.2
±208.2
19,167.1
±336.5
2002 12,678.6
±384.1
6,226.2
±392.0
18,904.8
±557.7
2007 11,809.8
±447.3
6,263.6
±437.5
18,073.4
±558.2
Corn Belt 1982 87,614.0
±541.0
4,622.2
±195.8
92,236.2
±545.4
1987 86,312.0
±493.3
4,580.3
±210.0
90,892.3
±549.4
1992 82,098.6
±512.8
5,612.3
±233.0
87,710.9
±561.6
1997 81,299.6
±529.1
6,651.0
±237.0
87,950.6
±557.6
2002 80,685.4
±490.5
7,018.0
±331.4
87,703.4
±623.0
2007 79,886.3
±591.9
7,031.1
±560.8
86,917.4
±738.1
Delta States 1982 21,179.5
±569.0
694.2
±101.3
21,873.7
±609.3
1987 20,245.8
±541.6
630.8
±93.8
20,876.6
±586.7
1992 18,639.0
±508.8
730.1
±99.8
19,369.1
±543.8
1997 17,711.5
±532.1
860.3
±79.0
18,571.8
±558.6
2002 16,939.0
±567.1
845.8
±118.1
17,784.8
±591.7
2007 16,295.8
±608.5
894.9
±141.2
17,190.7
±614.5
Lake States 1982 38,314.9
±633.0
5,463.9
±282.2
43,778.8
±702.5
1987 37,877.5
±678.7
5,030.0
±269.2
42,907.5
±746.9
1992 35,413.7
±646.4
5,690.6
±313.6
41,104.3
±695.8
1997 34,968.1
±634.7
5,510.7
±318.8
40,478.8
±755.6
2002 34,086.6
±543.1
5,353.3
±412.0
39,439.9
±695.6
2007 33,258.1
±941.4
5,302.8
±655.5
38,560.9
±825.1
Mountain 1982 35,403.8
±1,042.2
7,722.0
±470.6
43,125.8
±1,071.4
1987 32,153.2
±1,054.1
8,087.0
±525.4
40,240.2
±1,038.3
1992 29,334.5
±988.1
8,078.1
±410.8
37,412.6
±1,036.9
1997 28,930.7
±1,112.8
8,138.0
±515.8
37,068.7
±1,064.9
2002 26,556.4
±1,301.3
8,258.4
±827.9
34,814.8
±1,029.8
2007 24,705.9
±1,388.1
8,317.2
±930.1
33,023.1
±1,325.3
Northeast 1982 10,708.6
±292.7
6,028.2
±192.1
16,736.8
±379.6
1987 10,361.4
±274.5
5,879.5
±194.8
16,240.9
±407.0
1992 9,628.8
±286.1
6,077.2
±240.6
15,706.0
±405.4
1997 9,107.0
±306.8
6,034.6
±210.3
15,141.6
±425.7
2002 7,915.6
±264.3
6,416.7
±344.9
14,332.3
±421.7
2007 7,599.0
±296.8
6,108.6
±330.0
13,707.6
±450.5
Northern Plains 1982 86,081.0
±710.6
7,243.4
±291.8
93,324.4
±662.7
1987 86,513.3
±642.3
6,509.6
±298.6
93,022.9
±655.7
1992 80,167.4
±786.9
6,692.3
±244.5
86,859.7
±742.0
1997 79,983.4
±754.8
7,685.9
±271.1
87,669.3
±731.4
2002 79,346.9
±866.1
7,759.0
±623.4
87,105.9
±802.2
2007 78,742.0
±1,265.6
7,135.8
±755.6
85,877.8
±1,061.8
Pacific 1982 17,448.4
±607.5
5,090.1
±313.4
22,538.5
±725.7
1987 16,130.9
±674.7
5,228.7
±389.9
21,359.6
±788.2
1992 15,164.1
±616.8
5,414.6
±443.0
20,578.7
±754.4
1997 14,418.7
±681.2
5,627.7
±405.8
20,046.4
±816.7
2002 13,040.7
±633.0
6,761.2
±657.5
19,801.9
±860.8
2007 12,388.8
±631.6
7,167.5
±774.9
19,556.3
±981.3
Southeast 1982 16,056.0
±393.5
2,173.1
±179.9
18,229.1
±421.6
1987 14,217.9
±414.9
2,246.6
±189.2
16,464.5
±441.8
1992 11,956.5
±444.2
2,405.5
±222.2
14,362.0
±481.0
1997 10,529.5
±415.8
2,535.9
±198.0
13,065.4
±462.1
2002 9,392.4
±438.5
2,882.4
±293.9
12,274.8
±530.5
2007 8,651.4
±636.0
2,676.0
±450.8
11,327.4
±652.7
Southern Plains 1982 43,883.4
±751.4
1,229.7
±133.5
45,113.1
±776.8
1987 41,411.0
±727.5
941.5
±135.6
42,352.5
±750.0
1992 37,540.3
±727.8
1,158.7
±192.9
38,699.0
±790.6
1997 35,985.8
±732.4
992.6
±163.1
36,978.4
±787.4
2002 33,749.7
±819.1
1,187.3
±158.5
34,937.0
±837.5
2007 31,528.7
±1,007.0
1,260.2
±258.0
32,788.9
±991.3

 

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