WASHINGTON — The preliminary national average price received by farmers for all wheat in February was $7.09 per bu, up 5c from $7.04 in January but down 33c from $7.42 in February 2011, the U.S. Department of Agriculture said in its latest Agricultural Prices report.

The average price paid for winter wheat in February was $6.49 per bu, down 8c from $6.57 in January and down 54c from $7.03 in February 2011. The average price paid for durum was $8.88 a bu, up 8c from $8.80 in January and up 43c from $8.45 a year earlier. Spring wheat other than durum averaged $7.97 a bu, down 15c from $8.12 in January but up 29c from $7.68 in February 2011.

The average price paid for rough rice in February was $13.90 a cwt, down 30c from $14.20 in January but up 50c from $13.40 a year earlier.

The February index of prices received by farmers for food grains was 226 compared with the 1990-92 base of 100, down 1% from 229 the previous month and down 3% from 232 in February 2011.

The February index of feed grains was 263, up 1% from 261 in January and up 13% from 232 in February 2011. The average price paid to farmers for corn was $6.16 a bu, up 9c from $6.07 in January and up 51c from $5.65 in February 2011. Farmers received an average of $10.90 a cwt for grain sorghum in February, up 10c from $10.80 in January and equal to levels in February 2011. The average price paid for oats in February was $3.66 a bu, up 10c from $3.56 in January and up 39c from $3.27 in February 2011.

The index of February prices received for oilseeds was 222, up 4% from 214 in January but down 3% from 228 in February 2011. Farmers received an average of $12.30 a bu for soybeans in February, up 40c from $11.90 in January but down 40c from $12.70 in February 2011.

The February index for dairy products was 137, down 6% from 145 in January and down 6% from 146 in February 2011. The average price for all milk in February was $18 a cwt, down 70c from $18.70 in January and down $1.30 from $19.30 February 2011.

The February poultry and egg index was 159, up 4% from 153 in January and up 12% from 142 in February 2011. The average price paid to farmers for all eggs in February was 84c, up 5c from 79c in January but down 6c from 90c in February 2011.