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Showing posts from June, 2024

How long can crop plants survive saturated or flooded soils?

Recent, significant rain events have filled drainage ditches both within and along the outside of fields. Some of this flood water has backed up further into the field from ditches that border the field ( Figure 1 ). This article is both for those that have ponded water in fields in which their crop has already emerged and for those producers that just recently planted after scrambling in the last week to get the rest of their 2024 soybean crop seeded.  Figure 1. Ponded water in a corn field near the drainage ditch on the field edge (Photo: Angie Peltier). What saturated or flooded soils do to developing plants. The dangers to roots from flooded soils are many. Flooded soils quickly become devoid of oxygen - which is essential for proper root function. We know that plant leaves are able to use the sun's energy to convert CO 2 and water to oxygen and glucose through a process known as photosynthesis. Respiration is sort of the opposite of photosynthesis, where below-ground, oxygen