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What is Coriander?
Coriander is a minor seed spice having botanical name Coriandrum satuvum
It is commonly used spice in apmost all kitchens in India and belongs to family Apiaceae
Coriander is cultivated both for seed and leaves
Origin of coriander is believed to be Medirerranean region
What are the climatic and soil requirements for coriander cultivation?
It can be grown under tropical and subtropical conditions
It requires cool climate in early stages and warm dry weather at maturity
It needs dry and cool weather free from rains at flowering and fruit setting stage
Heavy rains effect the crop
Well drained soils, moisture retentive, humus rich soils are essential
It can be grown in sandy loams to heavy black cotton soils
Heavy Black cotton soils of Deccan and South India are particularly suited
What are the popular varieties of coriander?
Lam CS 2 – Sindhu: It is a medium tall variety – more branching – seeds are straw coloured. It withstands pests and diseases – It yields about 1300 to 1400 kg per ha. The duration of the crops is about 105-110 days.
Lam CS 4 – Sadhana: It is fairly tall – good branching – seeds are straw coloured. It withstands pests and diseases – it is a dual purpose – it yields about 1400 to 1500 kg per ha – the duration is about 115 – 120 days
Lam CS 6 – Swathi: It is a medium tall variety. Much branching. Seeds are straw coloured. It is an early and short duration variety. It yields about 800 to 1200 kg per ha. It has a duration of about 80 -85 days. It escapes Powdery Mildew disease
Lam CS 7: It was developed as a selection from North India – It is a dwarf plant with more leaves.
How to do land preparation for coriander cultivation?
For rain fed crop, plough the field 3-4 times
For irrigated crop, plough thebfield twice or thrice
After ploughing is complete, the land is laid out into beds and channels
What is the Season of planting, sed rate etc. for coriander cultivation?
For leaf purpose the crop is grown throughout the year (except March- May)
For grain purpose the crop is grown during rabi season
Some times it is grown as a mixed crop in cotton and pulses
i) Sowing time
for rabi crop mid October to middle of the November
For Kharif crop June-July to August – September
ii) Seed rate
it needs 12-15 kg per ha
Crush or trample the seeds gently to separate pericarps
Soak the seeds in water fro 12- 21 hours
Treat with Thiram @ 2 g per kg seed
Shade dry before sowing
iii) Method of sowing
Broadcast sown for rainfed crop
A spacing of 3-40 cm x 15 cm is adopted for an irrigated crop
Germination starts within 10-15 days and will be over by 30 days
How to give Irrigation and fertilization for coriander crop?
A post sowing irrigation is to provided.
Afterwards, the crop has to irrigated at Two leaf stage, at branching stage, at flowering stage and at seed filling stage
On fertile Black Cotton soils, it is not generally manured
10-15 tonnes FYM; 20-30 kg N; 40 kg P2O5; 20 kg K2O per ha is given as basal dose.20-30 kg Nitrogen is given at flowering under irrigated conditions
What are Intercultual operations done in coriander crop?
Maintain weed free conditions during first 30 days
First weeding is done within 30 days after sowing. Second weeding is done before the rows close up
Inter cultivate twice with a cultivator at monthly interval
How is Harvesting of coriander done?
The crop will be ready for harvest in 80-120 days
Kharif crops comes to harvest earlier than Rabi
Green colour turn to straw coloured. If harvesting is delayed – seeds shattered, fruits splitted
Plants are cut or pulled
Tied in bundles
Piled in shade for drying to avoid grain shattering and loss of essential oil. After 2-3 days of shade drying, the grain is threshed, winnowed and sundried
The moisture content is reduced from 2 to 6 per cent
The cleaned, dried produce is stored in gunny bags lined with white polythene
Further readings and references
handbook of horticulture