mn-crop-weather State Minnesota Weekly Crop-Weather Week Ending Date Week Ending July 22, 2007 Issue MN-CW-29-07 Agricultural Summary The oat and barley harvests picked up speed last week, about one week ahead of the average pace, according to USDA, NASS, Minnesota Field Office. The spring wheat harvest was getting underway as grains were ripening rapidly amid dry weather. Topsoil moisture supplies continued to dwindle, as nearly 75 percent of the state was rated as Short or Very Short. Corn silking and soybeans blooming were more than 80 percent complete. Producers were spraying for soybean aphids, more notably in the southeast corner of the state. The average temperature for the week was 69.7 degrees, 0.6 degrees below normal. Statewide topsoil moisture supplies as of Friday were rated 37 percent very short, 35 short, 27 adequate, and 1 surplus. As of Sunday July 22nd, ninety percent of corn acreage was silking compared to 60 percent for the five-year average. Twelve percent of corn acreage was in the milk stage compared to 3 percent average. Soybeans were 82 percent blooming compared to 73 percent average. Seventy-five percent of spring wheat acreage was turning ripe, with 4 percent combined. Oats were 90 percent turning ripe, with 26 percent combined. As of Friday, July 20th, forty percent of field corn and 48 percent of soybeans were rated in Good or Excellent condition. Sixty-nine percent of spring wheat was rated in Good or Excellent condition. Sunflower conditions were rated 71 percent Good or Excellent. Days Suitable for Fieldwork Table Days Suitable for Fieldwork: 6.5 Soil Moisture Table Very Short Short Adequate Surplus Topsoil Moisture (%) 37 35 27 1 Crop Progress Table Crop Progress as of July 22, 2007 Stage of This Last Last 5 Yr Crop Development Week Week Year Avg Percent Corn Height 80 73 70 68 Corn Silking 90 61 78 60 Milk 12 1 5 3 Soybeans Height 23 20 23 20 Soybeans Blooming 82 65 85 73 Setting Pods 25 10 26 16 Spring Wheat Turning Ripe 75 42 75 47 Harvested 4 1 2 1 Oats Turning Ripe 90 78 92 71 Harvested 26 4 14 8 Barley Turning Ripe 88 59 85 56 Harvested 13 1 6 2 Sweet Corn Harvested 7 NA 3 1 Crop Condition Table Crop Condition as of July 20, 2007 in % Very Poor Poor Fair Good Exc Pasture 23 32 28 16 1 Alfalfa 0 0 0 0 0 Corn 10 16 34 33 7 Soybeans 6 12 34 41 7 Spring Wheat 3 6 22 47 22 Oats 8 11 29 41 11 Barley 5 6 25 41 23 Sugarbeets 1 6 26 52 15 Potatoes 0 1 16 62 21 Green Peas 0 0 0 0 0 Dry Beans 3 9 28 47 13 Canola 2 3 24 48 23 Sunflowers 2 5 22 48 23 Weather Information Table Precipitation and Temperature Summary for 7/16/2007 through 7/22/2007 Temperature Precipitation G D D High Low Week Depart Week Depart From Norm Since Depart Ave from Total Past Four Since May from Norm Week Weeks 4/1 3 Norm NW DIST 1 Crookston 84 51 68.7 -1.2 .40 -.28 -.84 2.68 1246 55 Moorhead 90 56 72.8 1.8 0 -.62 -1.73 4.10 1434 189 Warroad 83 51 67.2 -.5 0 -.81 1.19 3.60 1115 85 NC DIST 2 Grand Rapids 87 44 67.3 -.5 .12 -.90 -3.49 -3.59 1239 192 Intl. Falls 82 40 63.1 -3.4 .15 -.58 -1.41 1.14 1042 60 Itasca 85 46 67.0 .5 .80 -.06 -.33 2.52 1199 229 NE DIST 3 Duluth 85 45 63.6 -2.5 .49 -.44 -2.24 -2.62 1001 117 Grand Marais 74 48 59.2 -2.2 0 -.75 -2.00 -1.52 499 -71 Hibbing 84 37 62.2 -4.2 1.55 .49 -2.26 -4.59 1044 99 WC DIST 4 Alexandria 88 53 72.7 2.1 .03 -.66 -2.53 -4.16 1393 201 Browns Valley 86 49 70.3 -2.5 .43 -.34 -2.37 5.10 1339 19 Canby 88 55 73.0 -.6 .49 -.23 -2.79 -1.57 1503 117 Fergus Falls 88 56 70.9 .5 .36 -.37 -2.31 4.62 1379 174 Montevideo 89 52 71.6 -.7 .04 -.70 -3.20 -4.72 1474 151 Morris 89 51 70.8 -.7 .13 -.75 -2.85 -.50 1382 91 CENT DIST 5 Becker 89 51 71.9 1.6 .14 -.79 -2.10 -5.39 1462 272 Collegeville 90 52 73.0 .3 .24 -.53 -2.57 -5.41 1555 209 Hutchinson 89 49 71.4 -1.1 0 -.82 -3.54 -5.27 1509 156 Olivia 90 51 71.6 .0 0 -.76 -3.01 -3.40 1430 104 St. Cloud 89 47 71.2 .9 .03 -.67 -1.72 -3.62 1417 227 Staples 86 47 68.1 .2 .20 -.59 -2.87 .15 1243 173 Willmar 92 54 74.0 2.4 0 -.78 -3.44 -3.87 1466 156 EC DIST 6 Aitkin 85 46 67.4 .3 .05 -1.00 -2.95 -4.74 1228 219 Forest Lake 88 53 70.8 -.4 .12 -.89 -2.06 -4.23 1435 159 MSP Airport 91 57 74.4 .8 .76 -.13 -.98 -5.13 1624 234 St. Paul - UofM 89 53 72.8 -1.0 1.28 .32 -2.04 -6.78 1634 201 SW DIST 7 Lamberton 89 51 72.2 -.1 .78 -.01 -2.57 -2.31 1479 98 Pipestone 92 52 73.5 1.5 .29 -.43 -2.87 -5.20 1428 128 Redwood Falls 90 50 73.8 -.0 .10 -.74 -3.45 -4.14 1504 53 Worthington 94 51 71.7 .4 1.98 1.22 -1.50 -3.48 1464 183 SC DIST 8 Faribault 88 50 70.8 -.9 .05 -.91 -3.67 -6.76 1456 159 Mankato 87 53 71.8 -.6 .48 -.45 -3.62 -8.10 1493 138 Waseca 86 52 71.1 -.5 .99 -.02 -1.96 -3.14 1448 115 Winnebago 90 53 72.8 .3 .35 -.56 -3.26 -7.59 1408 31 SE DIST 9 Preston 85 45 68.4 -2.3 .09 -.96 -3.72 -3.48 1334 98 Red Wing 87 51 70.5 -2.0 .09 -.87 -3.13 -5.06 1480 145 Rochester 86 51 70.0 -.4 .59 -.46 -3.34 -4.74 1452 225 Rosemount 88 51 71.6 .3 .11 -.94 -1.99 -4.92 1472 191 Winona 84 53 69.6 -5.6 .10 -.85 -2.56 -3.16 1419 -70 m=some data missing 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) 296-2230 E-mail: nass-mn@nass.usda.gov Homepage: http://www.nass.usda.gov/mn/