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Straight Stalk

Current crop information updates and research highlights
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Don't be surprised by very low K soil tests this fall!

Better than expected yields and a very dry fall are causing soils to test very low for available potassium (K). Most of the K in corn is in the foliage an is washed back into the soil by rainfall as the residue decays. Some of the K may also be locked into very dry soil clay particles. If you look at annual graphs of soil available K, September is traditionally the low point in the cycle, but norm...

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