Figure 3 illustrates how the magnitude of PAW changes with soil texture. Coarse textured soils (sands and loamy sands) have low PAW because the pore size distribution consists mainly of large ...

Crushed eggshells can also help improve the texture and structure of ... When the compost is added to the garden soil, the pulverized eggshells remain coarse and granular for some time.

Either way, adding organic matter such as compost as well as an organic, slow-release fertilizer will improve soil texture and productivity ... also love coarse soil and dry conditions.