Question

what is one of the biggest problems with excessive irrigation? plants drying out too quickly soil salinization (increased saltiness of the soil)

Explanation:

Excessive irrigation can lead to waterlogging. As water evaporates, salts are left behind, causing soil salinization. This harms plant growth. Plants drying out too quickly is the opposite of excessive irrigation's effect.

Answer:

soil salinization (increased saltiness of the soil)