By Robin Fuller
A thriving garden begins below the surface. In San Joaquin County, most home gardeners contend with challenging soil conditions. Local soils tend to be either poor-draining, dense clay or light, sandy soil that drains rapidly and retains few nutrients. The situation is compounded in newer subdivisions, where construction activity often strips and compacts the soil, leaving gardeners with lifeless ground that resists improvement. Few gardeners enjoy the balanced texture and fertility of true loam. Healthy soil is alive with microscopic organisms, roots, air pockets, and nutrients that together create a foundation for strong, resilient plants.
The key to building soil vitality is through regular, thoughtful amendments. Whether you are dealing with clay or sandy soil, both benefit from the addition of organic matter, which improves structure, increases water retention in sandy soils, and enhances aeration in clay. If you missed collecting leaves and planting cover crops last autumn, there’s still plenty that can be done to improve soil health. Quick-growing cover crops can also be planted in the spring, significantly improving soil structure, increasing organic matter, and reducing compaction—benefits that apply equally to new landscaping beds and vegetable gardens.
Source : ucanr.edu