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Natural Rubber: Kerala's Plantation Crop

India is one of the world's leading natural rubber producers, but its tyre industry uses even more than it grows, so India is also a large importer. Kerala grows most Indian rubber, and Kottayam is the trade's capital.

AgricultureIndustry.in › Cash and Plantation Crops › Rubber
Top stateKerala, the large majority
Growing areasTripura and the Northeast, Karnataka, Tamil Nadu (Kanyakumari)
TappingYear-round except the rainy lean period
GradesRSS4, RSS5, ISNR 20, latex
HubKottayam, home of the Rubber Board
Main buyersTyre companies

Where and How Rubber Is Grown

Kerala (Kottayam, Pathanamthitta, Ernakulam, Idukki, Kollam, Malappuram) produces most of India's natural rubber. Tripura is the second-largest state and the Northeast is the growth area. Rubber trees start yielding after about seven years and are tapped for latex for 25 years or more. Small growers make ribbed smoked sheets (RSS), while factories make block rubber (ISNR) and centrifuged latex.

See also WorldRubberIndustries.com.

Grades and Products

Most small growers in Kerala make ribbed smoked sheets: latex is coagulated with acid in pans, rolled into sheets, and dried in smoke houses. Sheets are graded RSS1 to RSS5 by cleanliness and colour; RSS4 is the benchmark grade quoted daily by the Rubber Board. Factories make ISNR (Indian Standard Natural Rubber) block rubber, preferred by tyre makers, and centrifuged latex for gloves, balloons, foam and condoms.

Price Drivers

Indian rubber prices follow the Bangkok and Kuala Lumpur markets, adjusted for import duty and freight. Tyre demand from the auto industry, monsoon disruption of tapping in Kerala, and labour shortages decide the domestic balance. When domestic prices fall below world prices, growers cut tapping; when they rise, imports grow.

New Growth in the Northeast

With little new land in Kerala, the Rubber Board and tyre companies are expanding plantations in Tripura, Assam, Meghalaya and Mizoram, where rubber is replacing shifting cultivation on hill slopes.

Tapping season

Mostly September to February; tapping slows in summer leaf-fall and stops in heavy monsoon rain.

Peak production

October to January.

Lean season

March to June.

Rubber by State

Tap a state for its districts, markets, government buying and buyers.

KeralaTripuraKarnatakaTamil NaduAssam

Processed Products

Sheet Rubber, Block Rubber and Latex

Related: Cotton · Cashew · Coconut · Arecanut · Rubber · Tobacco · Dry Fruits · All crops · Soils.in for farmer help

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