BORU Manurung is ecstatically happy. The 60-year-old farmer continues to watch her goldfish swim, growing bigger in her pond at Patane I Village, Porsea District, North Sumatra. "In the past, no fish could grow to this size," she says.

This happiness, according to Head of the Bona Pasogit Forum Martin Sirait, is felt not by Boru alone. For the past four years, other farmers in the 17 villages in Porsea can calmly rely on their paddy fields, g