Acknowledgements
We dedicate this paper to Jumanta who led the field
component of the study with such strong commitment
but sadly passed away in 2002. We are indebted also to
Elon Rasdan and Tedi Purnawan for their high-quality
technical assistance in the field. We acknowledge the
strong support and encouragement by Dr. Irsal Las, the
Director of the Research Institute for Rice at
Sukamandi, West Java, and Dr. Andi Hasanuddin,
the Director of the Central Research Institute for Field
Crops, Bogor. We thank Ken Aplin, Doug Cocks and
Flor Palis for their insightful comments on the
manuscript. This research was funded by the
Australian Centre for International Agricultural
Research (ACIAR), project AS1/98/36.