Heavy spring showers bring delayed planting, crop growth for Kansas farmers, agronomy professor says

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Many agronomy students use the agronomy fields north of Bill Snyder Family Stadium to learn more about their crop production.(Melanie White | Collegian Media Group)

Heavy rainfall across the state of Kansas during May spelled for some issues, the most prominent in the Manhattan area being the threat of flash flooding in low elevation areas and Tuttle Creek Lake reaching capacity.

The significant amount of rain also impacted one of the state’s biggest and most recognizable industries: crop production.

“Heavy rains combined with very low temperatures compared to previous years are kind of a perfect storm for many, multiple situations … in the next couple weeks,” said Ignacio Ciampitti, associate professor of agronomy and cropping systems specialist, on June 12.

The cool weather and heavy precipitation can delay planting (for late spring, that means corn and soybeans) and affect the timing of seed germination and sprout emergence from the soil.

“[Farmers] could have multiple potential outcomes related to lack of uniformity, which basically means that you will find in the field when you are scouting … they have different sizes,” Ciampitti said. “They have different growth, and then that creates some competition and create some lack of uniformity.”

Because the moisture could delay crop planting and crop growth, the growth period for crops may be behind schedule, potentially pushing harvest past the normal season window.

“These type of weather conditions are very unexpected, and there is not much you can do to prepare for these type of weather conditions,” Ciampitti said.

However, there are strategies to deal with this situation. Since many of the crop planting and growing times have been delayed by May’s weather, Ciampitti said K-State faculty and other crop industry researchers can provide information on late planting stages, and some crop producers are making changes to their management practices.

“When you’re looking at soybeans, many things that farmers are doing, in some situations … they are adding more plants with the goal of trying to make sure all those plants will close the canopy faster, will intercept more light and will compensate for lack of light,” Ciampitti said.

Another strategy is planting rows of seeds closer together (a spacing change from Ciampitti: 30 inches to 15 inches between rows) which will close the plant canopy faster and result in a shorter season for the crops.

Time will tell how May’s rains and cool temperatures will affect profits from wheat harvest, which begins in mid-June and lasts into July, and the corn and soybean crop harvests in the fall.

Last month’s rains also threatened to flood several areas of Kansas.

At the end of May, Tuttle Creek Lake’s reservoir inched closer to its 1,136 foot elevation threshold, and after the U.S. Army Corps of Engineers began water releases from the outflow tubes into the Kansas River, the level slowly declined.

The effects of the abnormal rainfall were felt throughout the state: Kansas Governor Laura Kelly’s most recent disaster declaration asks for “a major presidential declaration for the public assistance program for 63 counties in Kansas as a result of widespread, record rainfall and severe weather causing flooding, flash flooding and tornadoes beginning April 28,” according to the June 10 news release. Riley County is included in this list.

The National Weather Service records Wichita’s May 2019 rainfall at 12.64 inches, 8.07 inches above the 4.57 inch average for May. Salina’s precipitation average shows higher numbers than normal; Salina saw 8.72 inches of rain that month, almost double the normal amount of 4.75 inches.

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Dene Dryden
I'm Dene Dryden, a senior in English creative writing and CMG Board of Directors member. Formerly editor-in-chief, managing editor, copy chief. You can hear my voice on Wildcat 91.9 FM and find my bylines in FFA New Horizons, Seek Research Magazine for K-State, URGE ChoiceWords and the Get Inclusive blog. In addition to my journalistic work, my poems are published or forthcoming in the Flint Hills Review, Rogue Agent and Lammergeier. My cat Robyn is the light of my life, and I take compliments in the form of coffee.