Used coffee grounds aren t just waste they re a powerful and eco-friendly solution for keeping garden pests under control.

Nadia Glæsner, who conducted the study, said, "This highlights the importance of soil texture when evaluating ... but the effect was not seen on coarse-textured soils." ...

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 ...

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.

Take a look at the soil texture triangle at http ... Play sand is too finely textured to drain well. What you want is coarse builders' sand, ordered by the cubic yard from a masonry supplier.