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 cause water - logging. When water evaporates from the soil surface after over - irrigation, salts are left behind, leading to soil salinization. Plants drying out quickly is not a result of excessive irrigation but rather insufficient water supply.

Answer:

soil salinization (increased saltiness of the soil)