An often over-looked and under appreciated commodity is soil. We think that anything under our feet is dirt or soil. How ignorant we can all be about the basics things in life. I never thought much about the difference between dirt and soil, but now that I live in Kahului's predominately sand "soils", I find that the precious few spots that I actually either have real living soil that consists of organic matter and various forms of life, and the soil that I have had to grow, there is a big difference.
The difference shows up big time when the plants go in. Some handle the sand, but being devoid of life and the inability to hold water is what sets sand and real soil apart.
Things like grapes, I never thought of growing in a place like Kahului and yet they do and give off fruit. Plants are amazing life forms.