Before you dig a garden, it's important to figure out what type of soil you have and then select plants (and amend your soil) ...
The page should refresh after you have done this. Scroll down until you locate the table of soil properties in the application window. This table contains information about all of the different soil ...
Using soil samples from your own area, your class will get up close and see what they can find inside different soils. A practical observation activity looking at soil in detail, with discussion ...