Methane emission from the rice fields of West Bengal over a decade

The results of methane emission measurements from the farmer's paddy fields in West Bengal during 1990-2001 are presented. Measurements were made by static chamber technique. The mean yearly value from 1990 to 200 1 is found to be 1.09 Tg. There is almost no change in the methane emi ssion although there has been increase in harvested area during thi s period. Data obtained in this work will be a valuable input for making a reliable methane in ventory for the ind ian subcontinent.