What is a benefit of composting in gardening?

Composting in gardening is particularly beneficial because it significantly improves soil structure and provides essential nutrients for plants. When organic matter decomposes, it transforms into a rich humus that enhances the soil's aeration, moisture retention, and drainage. This improved soil structure supports healthy root development and increases the biological activity within the soil, fostering a more vibrant garden ecosystem. Additionally, the breakdown of organic materials releases nutrients like nitrogen, phosphorus, and potassium, which are vital for plant growth, thereby promoting healthier and more productive plants.

In contrast to the correct answer, the other options present misconceptions. Decreasing soil acidity can be a concern in certain circumstances, but compost does not universally achieve that and can sometimes have a neutral pH effect. While composting can help manage some pests by promoting beneficial microorganisms, it does not eliminate all pests in the soil. Lastly, composting does involve some maintenance, as it requires regular turning and monitoring to ensure proper decomposition processes, contrary to the idea that it requires no maintenance at all.