tivating the soil.
ALKALI--the direct opposite of an _acid_, with which it has a tendency
to unite.
ALUMINA--the base of clay.
ANALYSIS--separating into its primary parts any compound substance.
CARBONATE--a compound, consisting of carbonic acid and an alkali.
CAUSTIC--burning.
CHLORIDE--a compound containing chlorine.
CLEVIS--that part of a plow by which the drawing power is attached.
DECOMPOSE--to separate the constituents of a body from their
combinations, forming new kinds of compounds.
DIGESTION--the decomposition of food in the stomach and intestines of
animals (agricultural).
DEW--deposit of the insensible vapor of the atmosphere on cold bodies.
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.
OXIDE--a compound of oxygen with a metal.
PHOSPHATE--a compound of phosphoric acid with an alkali.
PROXIMATE--an organic compound, such as wood, starch, gum, etc.; a
product of life.
PUNGENT--pricking.
PUTREFACTION--rotting.
SATURATE--to _fill_ the pores of any substance, as a sponge with water,
or charcoal with ammonia.
SILICATE--a compound of silica with an alkali.
SOLUBLE--capable of being dissolved.
SOLUTION--a liquid containing another substance dissolved in it.
SATURATED SOLUTION--one which contains as much of the foreign substance
as it is capable of holding.
SPONGIOLES--the mouths at the ends of roots.
SULPHATE--a compound of sulphuric acid with an alkali.
VAPOR--gas.
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PATENT MOWING MACHINES
[Illustration]
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