The effect of what would happen when cornfields becomes flooded is:
Based on the given question, we can see that because the cornfields are flooded, there would be an aftereffect which would force the hands of the farmers and let them act.
As a result of this, we can see that because the field is flooded, the farmers needs to wait longer in other to plant their corn because with the excess water in the soil, planting is impossible and the water needs to be dried or removed.
Read more about flooding here:
https://brainly.com/question/12686086