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Patchouli
Botanical Name - Pogostemon patchouli Hook.
Family - Labiatae

Johore, Java, Singapore, Malaysia and Indonesia are commonly cultivated. Out of these, the first one yields the best quality oil, whereas the others give harsh odour with high oil yield.

Soil –

Well drained loamy soil with slightly acidic condition is suitable. Thrives best in hot and humid conditions, under shade of rubber, coconut, coffee, etc. The pH of the soil should range from 5.5 to 7.5 for good growth.


Climate –

Patchouli is a tropical crop which can also be grown under sub- tropical conditions.
Patchouli grows successfully upto an altitude of 800-1000m above the MSL. It prefers a warm and humid climate. The crop can be grown successfully under a fairly heavy and evenly distributed rainfall, ranging from 150-300 cm per annum.

Rooted stem cutting of 15-20 cm are used. The field is prepared to a fine tilth and the rooted cuttings are planted at a spacing of 60 x 30 cm during April – May.

Basal: Apply NPK each at 30 kg/ha.
Top dressing: 30 kg N/ha after 3 months of planting.

Grown as a rainfed crop in hills. In plains, irrigation is to be given at 7 – 10 days interval.

Nematode
Nursery application of carbofuran @ 2 kg ai./ha.

First harvest when fully grown (6 – 8 months). Subsequent harvests at 3 to 5 months interval. The leaves are dried in shade and distilled.

30 – 40 kg oil/ha/year.