. An elementary laboratory study in soils . Fig. 9. Galvanized iron drying oven in place upon an ordinary two-burner gasoline stove. This oven is 17 inches wide x 13 inches deep x 48 inches high. The experiment: 1. At a point in a field or garden where the moisture conditions seem good for growing a crop, dig with, the s])ade to the depth of the soil—five inches to eight inches. On one side of the hole have the wall perpendic lar, and remove all loose soil from the bottom of the hole.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectsoils, bookyear1908