Aromatic Crops – Agriculture Notes – For W.B.C.S. Examination.

সুগন্ধযুক্ত ফসল – কৃষিবিদ্যা নোট – WBCS  পরীক্ষা।

Aromatic plants are a special kind of plants used for their aroma and flavour. Many of them are also used for medicinal purposes. Aromatic plants are from a numerically large group of economically important plants. These are increasing demand for essential oils, aroma chemicals drugs and pharmaceuticals in the world market since two decades. Aromatic compounds are present in plants i.e. in root, wood, bark, foliage, flower, fruit, seed etc.Continue Reading Aromatic Crops – Agriculture Notes – For W.B.C.S. Examination.

Rosemary’s Special Features :

• Ooty (R, M) 1 rosemary variety of horticultural research station maintained utakai was selected from five kinds of rosemary seedlings.
• The rapid growth of the plants of this variety (an average of 62 cm height) was not reached.
• The length of the leaves of this variety, roller, will be matankiyat inward.
• It gives the green leaf yield of 13 tons per year of this variety. The potential yield of 46 per cent is higher than the local irakattaik.
• The leaves are dark green, thick and is willing to skin. The green and dry leaves is ideal for cooking with good flavor.
• Harvested 215 days after planting seedlings in the first. The year can be harvested three times at intervals of 3 to 4 months.

Lemongrass (Cymbopogon flexuosus)
Graminae

Varieties
OD-19, OD-408, RRL-39, Pragathi, Praman, CKP-25, Krishna and Cauvery are popularly cultivated.

Soil and climate
Sandy loam with abundant organic matter with a pH of 6.0 is found suitable.  It comes up well under tropical and sub-tropical conditions with a high rainfall (200 – 250 cm) and humidity. It performs better upto 1500m above mean sea level.

Seeds and planting
It can be propagated by slips. About 55,600 slips can be planted in a  at a spacing of 60 x 30 cm in ridges. Also 60 X 45 cm spacing can also be planted to adopt 37,000 slips/ha.  It can also be propagated through seeds at 4 kg/ha. Seedlings are to be raised and transplanted during June – July or October – November.

Manuring
Apply FYM or compost at 20 – 25 t/ha as basal. Apply 50 kg N/ha annually, half at planting and half one month after planting. From the second year onwards, first dose of fertilizer should be applied after cutting and again one month after the first dose.

Irrigation
Life irrigation on third day and further irrigation at 7 – 15 days interval.

Aftercultivation
Hand hoeing and weeding are done as and when required.

Mint (Mentha sp)
Labiatae

Varieties
Japanese mint – MAS-1, MA-2, Hybrid-77, Shivalik and EC-41911
Spear mint – MSS-1, MSS-5 and Punjab Spearmint-1
Bergamot mint – Kiran
Pepper mint – Kukrail

Soil and climate
Well drained loamy soil high in organic matter content with pH 6.5 to 7.0 is suitable. Sub-tropical areas receiving an annual rainfall of 100 – 150 cm are good.

Propagation
It can be propagated through root suckers and terminal cuttings. Terminal cuttings are highly capable for rooting. The root suckers from the previous crop can be used for propagation.

Planting
Rooted stem cuttings are planted in beds at 40 x 40 cm spacing during June – July.

Manuring
Apply NPK 50:75:50 kg/ha as basal. At four months after planting, N 25 kg/ha is applied.

Irrigation
Irrigation is given twice in a week.

Weeding
Frequent weeding is done up to 75 days of planting.

Harvest
First cutting starts in about 5 months after planting and subsequently at 3 months interval. Under good management conditions, the crop will give economic yield for about four years.

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