mn-crop-weather State Minnesota Weekly Crop-Weather Week Ending Date Week Ending August 26, 2012 Issue MN-CW-34-12 Agricultural Summary As of August 26, 26 percent of soybeans were turning yellow or beyond, according to the USDA, NASS, Minnesota Field Office. The percentage of soybeans turning yellow was 18 percentage points ahead of the five year average. Four percent of soybeans were dropping leaves or beyond, compared to 1 percent average. Soybeans were rated 80 percent in fair to good condition, compared to 81 percent the previous week. Seventy-five percent of corn was in the dent stage or beyond, compared to 50 percent last week, and 35 percent average. Two percent of corn was mature, compared to 1 percent average. Corn condition was rated 76 percent fair to good, compared to 77 percent the previous week. Corn harvested for silage was 34 percent complete. Harvest of canola, sweet corn, and potatoes advanced. Canola harvest advanced 44 points during the week to 83 percent complete. Sweet corn and potatoes were 74 and 22 percent complete, respectively. Sugarbeet harvest continued with 4 percent of the crop harvested. Most reporting stations recorded less than normal precipitation amounts during the week. Topsoil moisture supplies declined from the previous week and were rated 18 percent very short, 40 percent short, 41 percent adequate, and 1 percent surplus, compared to 16 percent very short, 38 percent short, 45 percent adequate, and 1 percent surplus a week earlier. Statewide, 6.3 days were rated suitable for fieldwork. Range and pasture condition was rated 16 percent very poor, 24 percent poor, 30 percent fair, 26 percent good, and 4 percent excellent. Days Suitable for Fieldwork Table Days Suitable for Fieldwork: 6.3 Soil Moisture Table Very Short Short Adequate Surplus Topsoil Moisture (%) 18 40 41 1 Crop Progress Table Crop Progress as of August 26, 2012 Stage of This Last Last 5 Yr Crop Development Week Week Year Avg Percent Corn Dough 97 92 74 69 Corn Dent 75 50 29 35 Corn Mature 2 0 0 1 Corn Silage Harvested 34 16 4 8 Soybeans Turning Yellow 26 6 1 8 Soybeans Dropping Leaves 4 0 0 1 Sweet Corn Harvested 74 63 53 48 Potatoes Harvested 22 15 13 21 Canola Harvested 83 39 41 43 Sugarbeets Harvested 4 2 0 0 Dry Beans Fully Podded 96 94 71 NA Dry Beans Leaves Yellowing 77 61 20 NA Dry Beans Dropping Leaves 30 6 0 NA Crop Condition Table Condition as of August 26, 2012 in % Very Poor Poor Fair Good Exc Pasture 16 24 30 26 4 Sugarbeets 1 2 19 66 12 Sunflowers 0 2 20 63 15 Corn 5 12 33 43 7 Soybeans 3 9 31 49 8 Potatoes 0 1 18 57 24 Canola 0 1 29 43 27 Dry Beans 2 5 28 55 10 Weather Information Table Precipitation and Temperature Summary for 8/20/2012 through 8/26/2012 Temperature Precipitation G D D High Low Week Depart Week Depart From Norm Since Depart Ave from Total Past Four Since Apr from Norm Week Weeks 4/1 30 Norm NW DIST 1 Crookston 93 44 69.8 3.6 .52 -.23 -.76 -3.60 2096 287 Itasca 90 41 67.0 3.4 0 -.76 -.21m -.34m 1553m -13m Moorhead 95 43 70.2 2.2 .01 -.58 -1.37 -2.56 2261 288 Warroad 83 35 63.4 -.4 .75 .06 .18 .78 1679 89 NC DIST 2 Grand Rapids 89 42 68.2 3.3 .11 -.63 -.80 9.81 1883 189 Intl. Falls 88 42 65.2 3.2 0 -.62 .15 .52 1684 224 NE DIST 3 Duluth 86 43 69.0 5.9 .10 -.76 -1.85 8.08 1815 362 Grand Marais 78 54 66.0 3.4 .40 -.21 .83 4.13 1338 223 Hibbing 88 36 64.5 3.3 .43 -.24 -.24 5.35 1645 298 WC DIST 4 Alexandria 91 47 70.2 3.1 .04 -.76 -2.32 1.78 2142 241 Breckenridge 93 45 68.4 1.1 0 -.67 -.46 -.62 2129 187 Browns Valley 95 44 66.8 -.8 0 -.66 -1.36 -2.35 2110 146 Canby 95 47 68.8 -.2 .02 -.60 -.51 -1.71 2288 192 Montevideo 89 46 68.7 .7 .14 -.63 -.97 1.32 2253 229 Morris 89 46 67.4 .5 .07 -.66 .06 -1.90 2126 198 Wheaton 93 50 68.4 .4 0 -.65 .38 1.50 2138 136 CENT DIST 5 Becker 86 48 69.0 1.6 .19 -.71 -2.16 4.14 2253 261 Collegeville 87 49 70.4 1.6 .99 .08 -1.81 2.95 2284 192 Hutchinson 89 50 69.8 1.9 .98 -.04 -1.74 4.77 2299 243 Melrose 91 45 67.2 1.2 .22 -.63 -2.18 2.44 2122 262 Olivia 88 46 69.1 1.8 .22 -.59 -.95 -.30 2239 228 St. Cloud 88 42 68.6 2.1 .45 -.44 -2.18 2.34 2207 316 Wadena 91 42 67.0 2.5 0 -.69 -1.56 5.97 1895 229 Willmar 88 49 68.5 .5 .26 -.68 -1.53 -.37 2187 128 EC DIST 6 Aitkin M M M M M M -.46m 14.51m 1819m 187m Forest Lake 92 47 70.1 1.6 .21 -.65 -2.23 5.18 2257 213 MSP Airport 89 51 72.0 2.1 .12 -.84 -2.54 4.29 2503 316 Mora 88 41 66.6 .8 .25 -.60 -2.61 5.34 2047 245 St. Paul - UofM 88 47 69.6 1.1 .13 -.73 -2.06 1.97 2337 293 SW DIST 7 Lamberton 89 48 69.9 2.0 .46 -.38 -.24 .84 2320 251 Marshall 92 51 73.1 4.3 .37 -.39 -.58 -.18 2438 334 Pipestone 91 44 69.5 1.6 .29 -.44 -1.22 3.34 2213 216 Redwood Falls 90 48 71.2 2.5 .31 -.53 -.03 1.76 2406 275 Worthington 91 48 69.4 1.9 .56 -.31 -.53 -2.08 2287 270 SC DIST 8 North Mankato 80 51 67.0 -1.7 .20 -.74 -2.36 -5.92 2308 216 Owatonna 89 47 69.8 1.2 .13 -.93 -2.02 2.25 2351 288 Waseca 88 44 67.6 -1.1 .05 -1.02 -2.86 -4.20 2289 184 Winnebago 89 51 69.9 1.2 .36 -.60 -1.67 -1.20 2383 270 SE DIST 9 Cannon Falls M M M M M M -3.85m 10.31m 1415m -567m Preston 89 42 66.5 -1.4 .35 -.76 -.19 -4.93 2251 287 Red Wing 89 48 68.8 -.1 .25 -.75 -.43 8.80 2365 276 Rochester 87 48 69.0 1.0 .02 -.99 -2.16 -3.95 2337 304 Rosemount 87 49 68.3 .2 .12m -.94m -.38m 4.74m 2293 269 Winona Dam 88 49 69.1 -.0 .46 -.55 -.94 -4.00 2338 290 m=some missing data Corn growing degree days (GDD) are calculated by subtracting a 50 degree base temperature from the average of the maximum and minimum temperature for the day. The daily maximum is limited to 86 degrees and minimum of 50 degrees. Contact Information USDA, NASS MINNESOTA FIELD OFFICE IN COOPERATION WITH THE NATIONAL WEATHER SERVICE- CHANHASSEN MN, UNIV. OF MINN. EXTENSION SERVICE, DNR STATE CLIMATOLOGY OFFICE, USDA-FSA, AND USDA-NRCS USDA-NASS MINNESOTA FIELD OFFICE Minnesota Department of Agriculture PO Box 7068, St. Paul, MN 55107 Phone: (651) 201-6030 E-mail: nass-mn@nass.usda.gov Homepage: http://www.nass.usda.gov/mn/