Iowa State University's Research and Demonstration Farms and ISU Extension have scheduled several late summer field days around the state. Field days at this time of year commonly deal with issues involving crop development including the latest weather data. The ISU field days began last week and continue through September 9. Following are the ones remaining:
* The Northwest Iowa research farm field day begins at 5:30 p.m. on September 1. It will be held at the Dordt College northern farm, which is located two miles north of Sioux Center on Highway 75. Topics include on-farm research and management of nematodes in corn and soybeans.
* The Northern Iowa research farm field day begins at 9:30 a.m. on September 9. Crop topics will include poultry manure utilization, nitrogen fertilizer management, corn nematodes and soybean insect management. Lunch will be served after the event. The farm is just south of Kanawha on county road R35.
* The McNay research farm field day in south central Iowa will begin at 4 p.m. on September 9 and includes a program on pasture weed and brush control, beef cow body-condition scoring, cow nutrition for the winter, calf health, forage establishment, supplementing beef cattle on grass and strategic de-worming. Dinner will be served at the farm. The farm is four miles south on Highway 65 from the intersection of highways 65 and 34, then 2.5 miles east on a gravel road and north one quarter mile. The headquarters is on the east side of the road.
* Also Sept. 9 the Armstrong research farm in southwest Iowa will host a field day on creating value with precision agriculture. Field demonstrations and topics will include strip tillage, auto-steer technology, variable planting rates and real time kinematic (RTK) GPS guidance systems. Exhibitors will be on site to show precision ag technologies. The program starts at 10:30 a.m. and a lunch will be served. There will be an opportunity to earn 4.5 hours of Certified Crop Adviser credits by attending an additional class prior to the beginning of the field day. The farm is located 11 miles southwest of Atlantic on Highway 6, one-half mile south on M53 and three-quarters of a mile east; or five and a half miles north of Griswold on Highway 48 and three miles west on Newton Road.
* The Southeast Iowa farm field day will be 1 p.m. September 15 near Crawfordsville. Topics will include the soybean disease Sudden Death Syndrome, soil drainage and corn-tipping/early denting problems. A special manure injection demonstration will take place at 10:30 a.m. A complimentary lunch will be served at noon. From Crawfordsville, the farm is located one and three-quarter miles south, two miles east on G62 and three-quarters of a mile north on the Washington/Louisa county-line road.