Posts in Soybean
Flooding Effect on Corn and Soybeans in 2023

Either corn or soybean fully submerged more than 24 hours in these temperatures likely died. Plants in fields flooded for about 48 hours or more - even with plants exposed - likely will die. Generally, the area of plant death is larger than we initially estimate. If the water was over the ears for about 24 hours, then the ears are lost. They very likely have started to rot by now.  

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Corn, SoybeanJennifer Elwell
Soybean Nodulation During A Hot Dry Summer

With such high nitrogen requirements, it is important that soybean plants produce enough root nodules to supply the majority the plants nitrogen needs. Environmental factors, including drought and soil temperatures at or above 90°F can significantly decrease the plants’ ability to produce root nodules.

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SoybeanJennifer Elwell