What is one way to maintain soil under oak trees?

Adding organic mulches to cover the soil under the dripline of oak trees is a beneficial practice that helps maintain soil health. Organic mulch serves multiple functions: it conserves soil moisture by reducing evaporation, regulates soil temperature, suppresses weeds that compete for nutrients and water, and, as it decomposes, it adds essential nutrients back into the soil, enhancing its fertility. This nutrient-rich environment supports the oak tree's root system and overall health.

Using heavy concrete paving, while providing a surface to walk on, would hinder water absorption and root respiration, ultimately harming the tree. Plastic sheeting could create a barrier that retains moisture but may lead to anaerobic conditions and root rot due to poor drainage. Regularly compacting the soil would also negatively affect the tree's root system, as compacted soil restricts air and water movement, leading to unhealthy root development. Thus, utilizing organic mulches is clearly the best practice for maintaining soil health under oak trees.