A dictionary of modern gardening - University Library

RIC 505
green climber. Cuttings. Loam, peat, |
and sand. [
RICINUS. Eight species. Half-
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liardy annuals and green-house evergreen
shrubs. Seeds and cuttings.
Rich soil.
Castor Oil.
R. communis produces ttie
RICOTIA lunar ia. Hardy annual. deep. In the first place the ground is
Seeds. Light sandy soil.
RIDGING is digging the soil into
... parallel ,^ _- ridges ---0-- in this- form—so --
AAA „„ ,„ „^„„,„ ;, .1,„,„,,„UI„ ,„ .l.„
as to expose it thoroughly to the
measured out in longitudinal beds four
feet wide ; this done, the top spit of the
bed c, is laid on the bed g, and the
second spit of the bed c, is laid on h.
action either of the atmosphere or of The first or top spit of the bed /, is then
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frost.
M. Schluber says, "that freezing
laid on h, so that the top soil and subre-
soil are kept on separate and alternate
duces the consistency of soils most re- beds, and may be mixed, reversed, or
markably, and that in the case of clays ! returned as taken out, at the will of
and other adhesive soils, the diminution
of this consistency amounts to at least
the operator. By this method the advantages
are—much greater exposure
fifty per cent."
of surface to the action of the weather;
In hoeing clay he found it reduced the opportunity of incorporating with
from S'xty-nine to forty-five of the scale the soil any desirable or obtainable
already stated, and in the ordinary manures, and at any desired depth ; a
arable soil from — thirty-three" to twenty. thorough blending of the soil to the
.; ^"-j- ••^•^^i^-- ^.^..— f, - — -- —
He satisfactorily explains this phenome- depth of two or three feet ; and it also
non, by observing that the crystals of facilitates the operation of draining,
ice pervading the entire substance of where necessary. It is needless to add,
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the frozen sod, necessarily separate the that when the first thrown-out beds are
particfes of earth, rendering their points sufficiently pulverized, they are levelled
of contact fewer. down, and others thrown out in the
Ridging, however, should not be confined
to the winter, for in summer the
same manner; g, h, i, represent the
ridges thrown out and left as rough as
extra exposure to the air and heat is
highly promotive of vegetation—it im-
possible." Gard. Chron.
RIGIDELL.\ flammea. Stove tuberpregnates
the soil with oxygen, proous-rooted perennial. Offsets or seeds.
motes the decay of stubborn vegetable Light rich soil.
remains, , and disturbs predatory vermin. RINGING is a practice adopted for
,
. V,
J .»,»,^.».». , ,
Mr. Barnes says, " I keep all ground, the purpose of checking the return of
as soon as a crop is done with, well the sap, and thereby confining a larger
trenched, burying all- the refuse I pos- supply to the blossom. It is removing
sibly can in a green state, casting the an entire zone of bark, about an inch
earth into rough ridges, tumbling those wide, around the branch to be renridges
over with a strong fork on frosty dered more fruitful, and taking care
mornings in winter and spring, and that the bark be completely removed
during hot sunny days in summer, con- down to the very wood. This was
tinually changing the crops. Keeping designated the ring of Pomona, but it
the hoe at work at all seasons in suit- certainly was not auspiciously received
able weather, forking up all odd cor- by that deity; for although it renders
ners and spare ground without loss of the part of the branch superior to the
time. By this management, I find the wound more fruitfiil for two or three
ground is always in good condition and seasons, yet it
never tired by cropping, some judgment sightly by the
renders the branch un-
swelling which occurs
only being exercised in applying such around the upper lip of the wound, and
properties again to the soil that have is always followed by disease and unbeen
taken from it, or. that are likely to fruitfulness. See Ligature.
be retiuired by the succeeding crop." RIPOGONUM. Two species.
An effectual mode of ridging is thus Green-house evergreen climbers.
described
Young cuttings. Loam and peat-
" Let a, b, c, d, represent a section RIVEA liliafolia. Stove evergreen
Cuttings. Rich.oam ana peat.
of the ground to be trenched two feet ! twiner.
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