 Farmers, unable to harvest rubber sap due to high water, are unable to take advantage of the highest rubber prices in four years.Largely due to the flooding, prices for unsmoked USS3 rubber sheets in Nakhon Si Thammarat have increased steadily and reached 84.32 baht (US$2.38) per kilogram in January 2017 and will likely go higher.Rubber growers face an even greater danger