In valuation wise, plantations shares should trade at a discount to the market PE due to the level of risk those posses.
The following companies are witnessed to be trading undervalued to the current market PE of 7-8 (After deducting for the risk factor)
KOTA - Strive to maintain its production with investing 5% replanting annually. Te company uses this technology called "Rain Guard" so that the rubber tapping in rainy seasons are possible.
KGAL - Largest rubber plantation in SL. Their growth is mainly supported by the soaring rubber prices and the product mix to cater the market demands. KGAL is also another plantation lavishly involves in replanting. Tea being a niche portion of KGAL's production, a lesser impact compared to its competitors. Still we can expect at least 5% increase in revenue due to this replanting in FY2012.
NAMU - Renowned for its balanced crop mix of Tea+Rubber+Oil Palm mainly. Being another RPC manged plantation, this also heavily invested in replanting. Company's focus is on Oil Plam sector in future which generates a higher gross profit margin. Hence the expectation is to have a higher 7-10% profitability increase in financial year 2012.
AGAL - Higher exposure to Oil Plam and recorded a tremendous increase in revenue for financial year 2011. Exposure to Tea is very less hence less impact on wage hike.
However we should not underestimate that the oil prices also contribute to price fluctuation of synthetic rubber