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Wet and Wetter

During the week of June 8, Iowa witnessed record high flood crests on several interior rivers that made national news. But for agricultural interests, the sheer volume of rainfall remains the story even more than the flooding rivers. Total statewide rainfall for Iowa in the 6 weeks from May 1 to June 15 averages 13.3 inches, which is double the normal precipitation load. The wettest areas are central Iowa (9+ inches above normal) and northeastern Iowa (8.5+ above normal).

Aerial view of Boone County June 14, 2008

This is a view near Boone, Iowa on June 14, 2008 illustrating the ponding of farm fields that is common in many parts of Iowa. (photo by John Kennicker)

Most crop fields that are out of the floodwaters are progressing acceptably, but prevented weed management is putting some at peril for yield loss. Because field work time is at a premium now, and everything cannot happen at once, growers should carefully judge the order of tasks. Generally, the major field activities during the next couple of weeks include planting and replanting, weed spraying, forage harvest and possibly side-dressing additional N fertilizer.

Accumulateed degree days through June 15

And finally, remember to document damaged fields with your insurance carrier where appropriate before destroying a stand, and to explore options for prevented plantings and keep good records of planting dates.  This link: 2008 Crop Insurance Decisions and Dates   is from the Ag Decision Maker Newsletter.


This article was published originally on 6/17/2008 The information contained within the article may or may not be up to date depending on when you are accessing the information.

Links to this material are strongly encouraged. This article may be republished without further permission if it is published as written and includes credit to the author, Integrated Crop Management News and Iowa State University Extension. Prior permission from the author is required if this article is republished in any other manner.