There is a primary factor that tells us to what extent the soil in front of us would be suitable for growing our food. And that factor consists in evaluating the proportion of the different sizes of soil particles: the grainy sand, the intermediate silt, and the fine clay. To do this, just take a look. Nothing else. You take a glass jar, fill it with soil up to a third of its volume (excluding excessively compact clouds, stems, and leaves), and finally, the jar is filled almost to the brim with water. How do physical properties affect crop development?  The physical properties of soil are the result of the…