Excrement—the matter given out by the organs of plants and animals, being those parts of their food which they are unable to assimilate.
Fermentation—a kind of decomposition.
Gas—air—aeriform matter.
Gurneyism—see Mulching.
Ingredient—component part.
Inorganic—mineral, or earthy.
Mouldboard—that part of a surface plow which turns the sod.
Mulching—covering the soil with litter, leaves, or other refuse matter. See p. 247.
Neutralize—To overcome the characteristic properties of.
Organic Matter—that kind of matter which at times possesses an organized (or living) form, and at others exists as a gas in the atmosphere.