Elements of agricultural chemistry and geology

by Jas. F. W. Johnston

CHAPTER V.

Of Soils—their Organic and Inorganic Portions—Saline Matter in Soils—Examination and Classification of Soils—Diversities of Soils and Subsoils.

Soils consist of two parts,—of an organic part, which can readily be burnt away when the soil is heated to redness; and of an inorganic part, which is fixed in the fire, and which consists entirely of earthy and saline substances.