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East Central

Sept. 4: A brief look back at the 2026 growing season

    With harvest approaching and little new to report, a brief look back at the 2026 growing season for east-central Iowa: April brought wet conditions and slightly delayed planting, though a dry May allowed farmers to make up ground quickly. June turned wet again, and while July opened hot and …

    Aug. 31: Shaping up for a fascinating fall

      After several dry weeks, something many of us in east-central Iowa have been glad to see, rain returned this past weekend. Looking across the crops, we appear to be shaping up for a fascinating fall. Some fields are on track to smash yield records, while others will post a zero or near zero …

      Aug. 24: Some disease pressure is expected

        After a stormy and wet August, the forecast for the final week of the month looks gorgeous and fall-like, a welcome change for east-central Iowa. There have been some early reports of southern rust moving in, but nothing significant at this point. At this stage of the season some disease pre…

        Aug. 17: Farmers begin to quantify the damage done

          One more round of storms is in the forecast before the weather appears to finally dry out for an extended spell — something all of us in east-central Iowa would greatly appreciate after days of rain. In the wake of the recent severe weather, Iowa Secretary of Agriculture Mike Naig toured som…

          Joe Sperfslage, East Central Iowa CropWatch

          Joe Sperfslage, East Central Iowa CropWatch

            Joe Sperfslage operates a family farm in Linn County near Coggon, growing 1,800 acres of corn, 800 acres of soybeans and 150 acres of wheat.

            Aug. 10: After storm, bean fields look more like cut hay

              Severe storms rolled through east-central Iowa on Friday afternoon, Aug. 7. With them came a confirmed tornado, 90 mph winds and extreme hail. If you were in the bullseye of it all, your bean fields look more like cut hay, and corn fields have been reduced to toothpicks — some cut off below …

              Aug. 3: Concerns about nitrogen loss

                Fungicide applications have wrapped up, soil moisture looks excellent, the forecast looks great, and disease pressure remains low. The largest concern in east-central Iowa is that excessive rainfall may have led to loss of nitrogen on some fields, especially those that applied large amounts …

                June 27: Biggest concern is in our diesel tanks

                  Moisture in the fields looks excellent, disease pressure remains minimal, and fungicide applications are continuing across east-central Iowa. The biggest concern on our operation right now isn't in the field, it's in our diesel tanks. Diesel isn't an input we discuss often, but with prices w…

                  July 20: Most guys missed most or all the rain

                    Hot and humid pretty much sums up the weather lately. Spotty storms were appropriately called so last week — most guys missed most or all the rain, but some got a welcome shot. As I write this Monday morning, the first of two rounds of widespread rain is moving through the area. A notable de…

                    July 13: We all know how beans can surprise us

                      The crop report from east-central Iowa this week is a simple one — things look good and not much has changed. Corn has begun to hit its reproductive stages, and disease monitoring continues. Soybean fields are canopying nicely and looking great, but we all know how beans can surprise us, so …

                      July 6: Primary story continues to be rainfall

                        At the risk of sounding like a broken record, the primary story in east-central Iowa continues to be rainfall. We are currently considering ourselves fortunate not to have received some of the volumes that other parts of the state saw over the past week. The earliest-planted corn in this are…

                        June 26: Growers are monitoring disease progression

                          The rain has subsided, allowing bean post-emerge applications and sidedressing to nearly wrap up across the area. Summer heat has arrived, and growers are monitoring disease progression in corn carefully to determine whether this year's conditions will justify the ROI for a two-pass fungicid…

                          June 22: Perfect weather for fostering disease

                            Recent weeks have been cool and damp, perfect weather for fostering disease. Much to my disappointment, conversations with my agronomist last week verified that Iowa State Extension has already confirmed the presence of tar spot in central Iowa. It's important to note that tar spot overwinte…

                            June 16: Farmers squeeze into the field for a day or two

                              Field work continues, though in a limited fashion, as farmers manage to squeeze into the fields for a day, maybe two, before rain pushes them back out. Looking ahead, the weather pattern appears to continue this trend for the near term at least. Aside from some localized flooding and wind da…

                              June 8: As close to ideal as one could get

                                Last week's weather was about as close to ideal as one could get here in east-central Iowa. Farm operations were able to move forward uninhibited with sunny skies and calm winds before rain moved in Thursday evening and continued off and on throughout the weekend. The forecast is calling for…

                                June 1: Calmer days allow sprayers to return

                                  Post Memorial Day weather has been excellent. Winds have been calmer, allowing sprayers to return to the fields. Some operations have begun to sidedress corn, and most of the first hay cutting appears to have come off without being rained on. Over the weekend, we managed to snag a few tenths…

                                  May 22: Rain loosens soil for easier emergence

                                    The past week brought measurable rain over several days, giving the soil the opportunity to soak it in and loosen the crust for easier emergence. The cool weather that followed has put a pause on crop development, but the forecast is turning much warmer. With the excellent moisture we have i…

                                    May 18: Forecast looks perfect for even and fast emergence

                                      Not much to report here. Planting wrapped up for the most part last week, and the forecast looks perfect for an even and fast emergence.

                                      May 11: Week of excellent progress

                                        After a slow start to planting, most concerns have been eliminated by a week of excellent progress, and most guys in this area will likely be wrapping up this week. After an April of unrelenting rain, some are already voicing concern that the spigot may have prematurely shut off on us. We wo…

                                        May 4: Weather finally turning the corner

                                          The weather pattern in east-central Iowa finally seems to be turning the corner. Fields are starting to dry out, and equipment is beginning to move, though overall planting progress remains minimal at this point. We continue to watch the forecast closely as the window to make up lost ground …

                                          April 27: Meaningful field work limited

                                            Between the volume of rain and its frequency, meaningful field work across east-central Iowa has largely been limited to tile repair. A brief window opened up the first half of last week for some spraying to take place and a handful of planters to roll on lighter ground, but heavy rain retur…

                                            April 20: It was a good week for book work

                                              It was a good week for book work. It was so dry we’re not going to get anywhere anyway that gets us in the field. We also had hail and tornadoes going around us. Manchester, northeast of here, got bombed with rain. Farmers are itching to get out, but we’ve had lots of big storms the past few weeks.

                                              Joe Sperfslage, East Central Iowa CropWatch Journal

                                              Joe Sperfslage, East Central Iowa CropWatch Journal

                                                Joe Sperfslage operates a family farm in Linn County near Coggon, growing 1,800 acres of corn, 800 acres of soybeans and 150 acres of wheat.

                                                Introducing Joe Sperfslage

                                                  Joe Sperfslage operates a family farm in Linn County near Coggon, growing 1,800 acres of corn, 800 acres of soybeans and 150 acres of wheat. Sperfslage is the Linn County Farm Bureau vice president and a board member of River Valley Cooperative in eastern Iowa and Western Illinois. “About ha…

                                                  Wrap-up: A year of peaks and valleys

                                                    We finished fall tillage and fall fertilizer applications. We have wrapped up field work. We’re waiting on warm days later this week to wash up equipment and put it away for winter. Overall, it was a year of peaks and valleys. Happy with the early growth and good start, but disappointed in h…

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