Daucus Carota
The Carrot is a somewhat fastidious root, for although it is grown in
every garden, it is not everywhere produced in the best style possible.
The handsome long roots that are seen in the leading markets are the
growth of deep sandy
soils well tilled. On heavy lumpy land long clean
roots cannot be secured by any kind of tillage. But for these unsuitable
soils there are Sutton's Early Gem, the Champion Horn, and Intermediate,
which require no great depth of earth; while for deep loams the New Red
Intermediate answers admirably.
Forcing.--Carrots are forced in frames on very gentle hot-beds. They
cannot be well grown in houses, and they must be grown slowly to be
palatable. It is usual to begin in November, and to sow down a bed every
three or four weeks until February. A lasting hot-bed is of the first
importance, and it is therefore necessary to have a good supply of
stable manure and leaves. The material should be thoroughly mixed and
allowed to ferment for a few days. Then turn the heap again, and a few
days later the bed may be made up. In order to conserve the heat the
material will need to be three to four feet deep, and if a box frame is
used the bed should be at least two feet wider than the frame. Build up
the material in even, well-consolidated layers, to prevent unequal and
undue sinking, and make the corners of the bed perfectly sound. Put on
the bed about one foot depth of fine, rich soil; if there is any
difficulty about this, eight inches must suffice, but twelve is to be
preferred. As the season advances less fermenting material will be
needed, and a simple but effective hot-bed may be made by digging out a
hole of the required size and filling it with the manure. The latter
will in due time sink, when the soil may be added and the frame placed
in position. The bed should always be near the glass, and a great point
is gained if the crop can be carried through without once giving water,
for watering tends to damage the shape of the roots. No seed should be
sown until the temperature has declined to 80 deg.. Sow broadcast, cover
with siftings just deep enough to hide the seed, and close the frame. If
after an interval the heat rises above 70 deg., give air to keep it down to
that figure or to 65 deg.. It will probably decline to 60 deg. by the time the
plant appears, but if the bed is a good one it will stand at that figure
long enough to make the crop. Thin betimes to two or three inches, give
air at every opportunity, let the plant have all the light possible, and
cover up when hard weather is expected. Should the heat go down too
soon, linings must be used to finish the crop. Radishes and other small
things can be grown on the same bed. In cold frames seed may be sown in
February.
Warm Borders.--In March the first sowings on warm borders in the open
garden may be made. These may need the shelter of mats or old lights
until the plant has made a good start, but it is not often the plant
suffers in any serious degree from spring frosts, as the seed will not
germinate until the soil acquires a safe temperature. All the early
crops of Carrot can be grown on a prepared soil, or a light sandy loam,
free from recent manure. The drills may be spaced from six to nine
inches apart.
For the main crops double digging should be practised, and if the
staple is poor a dressing of half-rotten dung may be put in with the
bottom spit. But a general manuring as for a surface-rooting crop is not
to be thought of, the sure effect being to cause the roots to fork and
fang most injuriously. It is sound practice to select for Carrots a deep
soil that was heavily manured the year before, and to prepare this by
double digging without manure in the autumn or winter, so as to have the
ground well pulverised by the time the seed is sown. Then dig it over
one spit deep, break the lumps, and make seed-beds four feet wide. Sow
in April and onwards in drills, mixing the seed with dry earth, the
distance between rows to be eight to twelve inches according to the
sort; cover the seed with a sprinkling of fine earth and finish the bed
neatly. As soon as possible thin the crop, but not to the full distance
in the first instance. The final spacing for main crops may be from six
to nine inches, determined by the variety. By a little management it
will be an easy matter during showery weather to draw delicate young
Carrots for the final thinning, and these will admirably succeed the
latest of the sowings in frames and warm borders.
Late Crops.--Sowings of early varieties made in July will give
delicate little roots during the autumn and winter. The rows may be
placed nine inches apart, and it is essential to thin the plants early
to about three inches apart in the rows. In the event of very severe
weather protect with dry litter. For providing young Carrots throughout
the winter it is also an excellent plan to broadcast seed thinly. When
grown in this way the plants afford each other protection, and the roots
may be drawn immediately they are large enough.
In July the culture of the smaller sorts may also be undertaken in
frames, but hot-beds may be dispensed with, and lights will not be
wanted until there is a crop needing protection, when the lights may be
put on, or the frames may be covered with shutters or mats.
Storing.--Before autumn frosts set in the main crop should be lifted
and stored in dry earth or sand, the tops being removed and the earth
rubbed off, but without any attempt to clean them thoroughly until they
are wanted for use.
Carrots for Exhibition.--It will be found well worth while to give a
little extra attention to the preparation of the ground when growing
Carrots for exhibition. As in the case of Beet and Parsnip, holes should
be bored to the requisite depth and about one foot apart in the rows.
Where the soil is at all unfavourable to the growth of clean symmetrical
roots the adoption of this practice will be essential to success. Any
light soil of good quality will be suitable for filling the holes. Well
firm the material in and sow about half a dozen seeds at a station,
eventually thinning out to one plant at each. The tendency of Carrots to
become green at the tops in the later stages of growth, thus spoiling
them for show work, may be prevented by lightly covering the protruding
portion of the root with sifted fine earth.
Destructive Enemies.--The Carrot maggot and the wire-worm are
destructive enemies of this crop. In a later chapter on 'The Pests of
Garden Plants,' both these foes are referred to. Here it is only
necessary to say that sound judgment as to the choice of ground, deep
digging, and the preparation of the beds in good time, are the
preventives of these as of many other garden plagues. It is often
observed that main crops sown early in April suffer more than those sown
late, and the lesson is plain. It has also been noticed that where the
crops have suffered most severely the land was made ready in haste, and
the wild birds had no time to purge it of the insects which they daily
seek for food.
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Next: CAULIFLOWER
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