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Turmeric (Curcuma longa) Cultivation in Sindh, Pakistan


 

by Farzana Panhwar

 

Turmeric belong to family Zingiber. It is used as condiment, dye and cosmetic.It can grow from seal level to 1500 mm, it needs 20 – 30 C temperature with rainfall 1500 mm or more per annum.It thrive on sandy or clayey loam, it can also grow on light black, loam red soils to clay loam. Turmeric is an annual crop, but conversion period requires 2 years. It requires 2500 Kg rhizomes per acre. It requires 2 years, minimum tillage, beds of 15cm height with 50 cm spacing between bed .It can grow in April-May under organic condition it requires 5-6 tons/hectare FYM. With neem cake 2 tons/hectare. Some time it catch shoot borer, leaf spot and leaf blotch are controlled by 1% Bordeaux mixture spray. Its varieties are matures at different times ranging from 7-9 months. Its average yield is 20 - 25 tons of green turmeric. Mother Rhizomes are used as seed material. Its curing involves boiling of rhizomes in fresh water and drying under the Sun. Under artificial condition it should be dried at 60C. Dried turmeric has poor appearance and rough dull color outside the surface with scales. Manual or mechanical rubbing and polishing improve appearance. Occasionally flower comes on cylindrical spites bearing numerous greenish white bracts are narrow, yellowish – white in color. Most cultivated varieties are sterile tripods.

 

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Further information:

 


- More research papers by Farzana Panhwar

- Geochemistry

- Soil chemistry


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