K-State Research and Extension news service
In this video from K-State Research and Extension, agronomist Dorivar Ruiz Diaz explains reasons for yellowing in wheat, and options available to producers.
“One of the factors that might be contributing to yellow wheat this time of year is sulfur deficiency,” Ruiz Diaz said. “Often times we tend to confuse sulfur deficiency with nitrogen deficiency because of the similarities we see in symptoms.”
But, he notes, there are key differences.
“Nitrogen deficiency tends to be indicated by chlorosis (or yellow leaves) in the lower part of the canopy. In the case of sulfur deficiency, that tends to happen in the upper leaves.”
Ruiz Diaz said producers can apply sulfur now to recover the crop’s yield potential. However, sulfur needs to be “immediately available,” or in sulfate form. Some options, he notes, include liquid fertilizers containing thiosulfate, or dry fertilizers containing ammonium sulfate.
K-State Research and Extension video produced by Dan Donnert
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K-State Research and Extension is a short name for the Kansas State University Agricultural Experiment Station and Cooperative Extension Service, a program designed to generate and distribute useful knowledge for the well-being of Kansans. Supported by county, state, federal and private funds, the program has county extension offices, experiment fields, area extension offices and regional research centers statewide. Its headquarters is on the K-State campus in Manhattan. For more information, visit www.ksre.ksu.edu. K-State Research and Extension is an equal opportunity provider and employer.
Story by:
Dan Donnert
[email protected]
More information:
Dorivar Ruiz Diaz
785-532-6183
[email protected]
