PHNOM PENH, April 26 (Xinhua) -- Cambodia had exported 39,147 tons of dry rubber in the first quarter of 2018, up 21 percent over the same period last year, according to a General Directorate of Rubber report on Thursday.

The Southeast Asian country earned the gross revenue of 57 million U.S. dollars from the export during the January-March period this year, down 11 percent over the same period last year, the report said.

"A ton of dry rubber averagely cost 1,458 U.S. dollars in the first quarter of 2018, about 525 U.S. dollars lower than that of the first quarter of 2017," it said.

Cambodian rubber has been sold to Malaysia, Vietnam, China, South Korea, and some European countries.

According to the report, Cambodia has 436,812 hectares of rubber plantations in which 171,063 hectares are old enough to be harvested.