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RADISH
(Raphanus sativus)
Raddish
is a root crop belonging to the family Brassicaecae.
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Japanese
White, Arka Nishanth, Pusa Chethki, Pusa Reshmi, Pusa
Desi and Bombay Red Long.
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Radish can be grown in high ranges from June to January.
Well drained sandy loam soils are best suited for
the crop.
Seed rate is 7 to 8 kg per hectare. It is usually
grown on ridges to facilitate good root production.
Ridges of about 20 cm height are taken 45 cm apart
and plants are grown 10 cm apart on the rows. The
seed is mixed with fine sand and sown in rows by hand,
covered with soil to make it firm around it.
It is necessary that enough soil moisture is available
to help uniform seed germination and growth of plant.
Thinning may be done at 10 cm distance as in carrot.
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Raddish
requires sufficient moisture in the soil for germination
and proper root development.
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Apply 20 t/ha FYM as basal. N: P2O5: K2O 75:37.5:37.5
kg/ha is the fertilizer requirement. Full dose of
P2O5 and K2O and half dose of N are applied as basal.
Remaining half dose of nitrogen is applied as topdressing
when the plant starts growing vigorously.
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Weeding
should be done at regular intervals to keep down weeds.
Shallow hoeing is necessary to facilitate root growth.
When the roots start growing, earthing up should be done.
Aphids, flea beetle and mustard saw fly are the important
pests of raddish. To control these pests, apply Malathion
@0.01 %.
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Damping off, white rust and alternaria blight are the
major diseases affecting raddish crop. To control these
diseases, seeds are to be treated with hot water at
50o C for 30 minutes and then with Captan @2g/kg of
seed.
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Light
irrigation is given before harvest.tender roots are
pulled out with tops.
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Not
Available
Temperate
types yield about 7-9 tons/ha. And the Tropical types
20-35 tons/ha.
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