mn-crop-weather State Minnesota Weekly Crop-Weather Week Ending Date Week Ending August 12, 2007 Issue MN-CW-32-07 Agricultural Summary Minnesota crop conditions edged upward as scattered showers moved through the state during the past week, according to USDA, NASS, Minnesota Field Office. Although statewide topsoil moisture supplies were rated mostly short or very short, some drought areas of central Minnesota received an inch or more of needed rain. Harvest of small grains continued ahead of the five-year average with approximately 90 percent of oats and barley combined. Harvest of potatoes and sweet corn were underway and spraying continued for soybean aphid and spider mites. The average temperature for the week was 72.0 degrees, 2.6 degrees above normal. Statewide topsoil moisture supplies as of Friday were rated 45 percent very short, 33 short, 21 adequate, and 1 surplus. Field Crops Summary As of Sunday Aug 12th, 96 percent of corn acreage was in the milk stage compared to 77 percent for the five-year average. Corn in the dough stage was 58 percent compared to 28 percent average. Ninety-one percent of soybeans were setting pods compared to 84 percent average. Fifty-seven percent of spring wheat and 91 percent of oats were harvested. As of Friday, Aug 10th, 33 percent of field corn, 45 percent of soybean, and 71 percent of spring wheat were rated in good or excellent condition. Eighty-nine percent of potatoes, 78 percent of sunflowers, and 69 percent of sugarbeets were rated in good or excellent condition. Crop conditions edge upward with scattered showers Days Suitable for Fieldwork Table Days Suitable for Fieldwork: 6.1 Soil Moisture Table Very Short Short Adequate Surplus Topsoil Moisture (%) 45 33 21 1 Crop Progress Table Crop Progress as of August 12, 2007 Stage of This Last Last 5 Yr Crop Development Week Week Year Avg Percent Corn Milk 96 71 88 77 Dough 58 18 45 28 Dent 18 0 4 3 Soybeans Setting Pods 91 77 95 84 Turning Yellow 3 NA 2 1 Spring Wheat Harvested 57 29 69 38 Oats Harvested 91 76 92 68 Barley Harvested 89 60 86 53 Sweet Corn Harvested 38 29 31 25 Potatoes Harvested 16 11 18 7 Canola Harvested 5 3 33 15 Crop Condition Table Crop Condition as of August 10, 2007 in % Very Poor Poor Fair Good Exc Pasture 42 29 23 6 0 Corn 15 22 30 28 5 Soybeans 9 15 31 37 8 Spring Wheat 2 6 21 52 19 Sugarbeets 3 6 22 46 23 Potatoes 1 1 9 62 27 Dry Beans 3 8 27 52 10 Canola 0 0 29 50 21 Sunflowers 1 4 17 61 17 Weather Information Table Precipitation and Temperature Summary for 8/6/2007 through 8/12/2007 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 89 47 70.3 .5 .42 -.27 -1.12 1.84 1721 112 Moorhead 92 51 71.2 .4 .66 .08 -1.37 3.35 1915 232 Warroad 83 48 68.2 .8 1.00 .32 -1.86 2.55 1586 179 NC DIST 2 Grand Rapids 93 52 70.4 3.6 .09 -.78 -2.89 -5.58 1707 289 Intl. Falls 88 46 65.3 -.3 .61 -.09 -1.97 -.25 1430 99 Itasca 91 49 67.8 1.7 .21 -.65 -1.43 1.15 1626 303 NE DIST 3 Duluth 88 51 68.8 3.5 .13 -.80 -2.65 -4.82 1455 230 Grand Marais 83 50 64.8 1.3 0 -.69 -2.68 -3.44 813 -50 Hibbing 87 43 66.2 .9 .03 -.79 -2.19 -7.27 1438 150 WC DIST 4 Alexandria 95 58 73.5 4.0 .16 -.65 -2.64 -6.14 1894 281 Browns Valley 92 54 71.6 -.2 .90 .22 -.40 5.04 1799 20 Canby 88 56 71.6 -1.0 .04 -.60 -.06 -1.39 2002 142 Fergus Falls 92 42 69.2 -.8 .65 -.09 -1.83 3.16 1856 226 Montevideo 89 55 72.2 .9 1.82 1.08 1.49 -2.54 1944 171 Morris 91 53 71.2 .5 1.35 .55 -1.78 -1.53 1847 117 CENT DIST 5 Becker 95 59 75.0 6.1 2.14 1.15 -1.25 -5.85 1983 381 Collegeville 96 59 76.2 4.5 2.88 2.02 .18 -4.70 2083 278 Hutchinson 92 58 74.1 3.2 2.10 1.15 .01 -4.44 2010 208 Olivia 91 58 72.4 2.3 .82 .04 -.80 -3.44 1913 154 St. Cloud 96 55 74.2 5.3 1.19 .30 -1.78 -4.74 1903 301 Staples 91 52 70.6 3.5 .29 -.45 -1.83 -1.09 1707 262 Willmar 91 60 73.5 3.1 1.06 .19 -1.23 -4.32 1971 223 EC DIST 6 Aitkin 92 49 69.3 3.1 .61 -.33 -2.21 -5.95 1655 287 Forest Lake 98 60 76.0 5.9 .98 -.09 -2.83 -6.17 1949 242 MSP Airport 94 67 79.2 6.9 1.73 .78 -.23 -5.23 2189 329 St. Paul - UofM 94 63 78.6 6.0 .70 -.31 -1.64 -8.74 2189 280 SW DIST 7 Lamberton 95 57 72.0 1.1 .04 -.75 -1.22 -3.51 1964 137 Pipestone 94 58 73.2 2.2 .08 -.62 -.47 -5.23 1922 177 Redwood Falls 93 60 74.6 2.0 .01 -.84 -1.97 -5.37 2005 82 Worthington 92 59 72.4 2.6 .04 -.76 .95 -3.75 1948 239 SC DIST 8 Faribault 90 61 74.6 4.3 1.18 .15 .80 -5.05 1960 225 Mankato 90 62 74.0 2.6 .03 -1.00 -.47 -8.12 1991 182 Waseca 88 62 73.8 3.5 .96 -.13 -.05 -3.17 1939 170 Winnebago 90 61 73.8 2.8 0 -1.00 -.95 -7.97 1903 77 SE DIST 9 Preston 87 60 73.4 3.8 .88 -.21 1.76 -.76 1790 130 Red Wing 92 62 74.8 3.3 2.18 1.28 -.17 -4.36 1977 185 Rochester 88 63 74.8 5.5 1.67 .65 .54 -3.74 1947 303 Rosemount 92 62 75.7 5.6 1.68 .61 -1.95 -5.93 1991 278 Winona 86 62 73.4 -.0 3.08 2.13 3.70 1.40 1912 -71 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/