mn-crop-weather State Minnesota Weekly Crop-Weather Week Ending Date Week Ending September 2, 2007 Issue MN-CW-35-07 Agricultural Summary Harvest of crops continued at a steady pace this past week, aided by warm temperatures, according to USDA, NASS, Minnesota Field Office. Harvest progress of sweet corn, potatoes and canola continued ahead of the five-year average pace, while harvest of dry beans and sugarbeets were both underway. Areas of surplus soil moisture continued to dissipate with exception of the southeast corner of the state which received additional rain. The average temperature for the week was 67.2 degrees, 3.0 degrees above normal. Statewide topsoil moisture supplies as of Friday were rated 15 percent very short, 23 short, 56 adequate, and 6 surplus. Field Crops Summary Minnesota's corn and soybean crops continued to mature ahead of the average pace. As of Sunday Sep 2nd, 87 percent of corn had reached the dent stage, compared to 59 percent for the five-year average. Thirteen percent of corn was mature, compared to 4 percent average. Fifty-one percent of soybeans were turning yellow, compared to 38 percent average. Thirteen percent of soybeans were dropping leaves compared to 7 percent average. As of Friday, Aug 31st, forty-five percent of field corn, and 52 percent of soybean were rated in good or excellent condition. Eighty percent of potatoes, 63 percent of sunflowers, and 51 percent of sugarbeets were rated in good or excellent condition. Days Suitable for Fieldwork Table Days Suitable for Fieldwork: 5.1 Soil Moisture Table Very Short Short Adequate Surplus Topsoil Moisture (%) 15 23 56 6 Crop Progress Table Crop Progress as of September 2, 2007 Stage of This Last Last 5 Yr Crop Development Week Week Year Avg Percent Corn Denting 87 76 82 59 Mature 13 4 6 4 Silage 36 17 25 16 Soybeans Turning Yellow 51 22 46 38 Dropping Leaves 13 2 12 7 Mature 1 0 1 0 Sugarbeets Harvested 2 0 0 0 Sweet Corn Harvested 75 58 76 66 Potatoes Harvested 35 30 41 31 Dry Beans Harvested 13 0 14 6 Canola Harvested 79 65 96 65 Crop Condition Table Crop Condition as of August 31, 2007 in % Very Poor Poor Fair Good Exc Pasture 18 23 30 24 5 Corn 11 15 29 39 6 Soybeans 6 13 29 43 9 Sugarbeets 2 5 42 40 11 Potatoes 0 1 19 64 16 Dry Beans 2 9 30 53 6 Sunflowers 1 5 31 47 16 Weather Information Table Precipitation and Temperature Summary for 8/27/2007 through 9/2/2007 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 46 65.6 1.6 1.86 1.25 -.00 2.10 2033 63 Moorhead 90 47 67.8 2.9 .92 .38 -.05 3.22 2262 201 Warroad 87 46 62.8 1.6 .09 -.56 -1.09 1.14 1853 131 NC DIST 2 Grand Rapids 84 42 64.6 3.6 1.12 .35 -1.66 -6.46 2015 290 Intl. Falls 85 35 59.9 .2 .20 -.54 -1.53 -1.69 1698 80 Itasca 87 43 65.6 5.5 1.27 .48 -1.48 .32 1918 300 NE DIST 3 Duluth 81 44 64.4 4.1 1.15 .14 -2.48 -6.50 1744 234 Grand Marais 85 52 62.9 2.6 1.08 .33 -1.46 -4.21 1065 -75 Hibbing 82 33 62.0 2.3 .39 -.36 -2.67 -9.15 1712 142 WC DIST 4 Alexandria 86 47 68.0 4.0 0 -.76 -2.85 -8.34 2246 275 Browns Valley 90 46 67.8 1.6 .16 -.37 -.20 4.63 2128 -47 Canby 89 48 69.2 1.7 .08 -.52 -.29 -1.08 2368 91 Fergus Falls 89 45 66.7 2.2 .03 -.60 -1.57 1.68 2190 192 Montevideo 89 46 68.9 2.7 .18 -.46 1.54 -2.09 2318 151 Morris 87 44 67.5 2.2 0 -.62 -.21 -2.29 2188 77 CENT DIST 5 Becker 83 48 68.4 5.0 .53 -.37 1.13 -5.87 2354 406 Collegeville M M M M M M 1.93m -4.79m 2333m 125m Hutchinson 85 48 69.4 3.6 1.44 .66 1.67 -3.92 2400 212 Olivia 88 49 68.4 3.5 1.36 .62 1.03 -2.46 2279 148 St. Cloud 88 44 67.2 3.8 .10 -.75 .55 -4.49 2253 305 Staples 85 41 65.0 3.1 .48 -.18 -1.88 -2.52 2006 243 Willmar 88 50 69.9 4.6 .15 -.65 2.35 -2.16 2346 220 EC DIST 6 Aitkin 80 41 63.5 2.5 .88 .09 -1.19 -6.81 1963 295 Forest Lake 85 49 68.2 3.2 .29 -.66 .89 -5.19 2319 240 MSP Airport 85 54 70.4 3.4 1.36 .54 5.57 -.44 2607 337 St. Paul - UofM 86 51 70.4 2.6 2.20 1.29 1.59 -6.83 2603 273 SW DIST 7 Lamberton 89 47 68.4 2.5 .27 -.44 1.44 -1.33 2354 140 Pipestone 89 48 68.8 3.2 .27 -.42 1.41 -3.20 2315 185 Redwood Falls 91 48 70.4 2.9 .66 -.07 3.02 -1.51 2414 74 Worthington 88 46 67.2 2.4 .39 -.34 7.22 4.23 2344 269 SC DIST 8 Faribault 84 51 69.5 4.1 .80 -.13 2.29 -2.91 2359 246 Mankato 88 51 69.2 2.9 .22 -.70 3.05 -4.07 2362 157 Waseca 85 49 69.2 3.4 .98 .04 5.33 2.29 2353 202 Winnebago 89 50 70.5 3.9 .68 -.14 2.38 -4.59 2343 120 SE DIST 9 Preston 90 48 67.9 2.9 2.65 1.65 8.84 8.29 2177 149 Red Wing 92 52 71.6 5.1 1.67 .78 5.69 .06 2386 196 Rochester 86 53 69.0 4.4 1.64 .75 8.15 3.75 2344 339 Rosemount 81 52 68.8 3.5 .72 -.26 4.27 -2.26 2373 285 Winona 88 54 68.6 .1 .46 -.45 7.24 6.50 2301 -118 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/