DORAS - DELTA : Research Report n°5 Improvement of rice cultivation and water management in the flooded area of the Central Plain of Thailand: A zoning of rice varieties by using remote sensing imagery François Molle (DORAS Centre - ORSTOM) Sripen Durongdej (Kasetsart University - DORAS Centre) Chatchom Chompadist (Royal Irrigation Department - DORAS Centre) Alexandre Joannon (DORAS Centre - ORSTOM) Yuphaa Limsawad (Office of Agricultural Economics) Advisers to the project : Apichaart Pongsrihadulchai & Supan Karnchanasutham DORAS CENTER Kasetsart University ORSTOM Molle, François, S. Durongdej, C. Chompadist, A. Joannon and Y. Limsawad. 1998. Improvement of rice cultivation and water management in the flooded area of the Central Plain of Thailand : a zoning of rice varieties by using remote sensing imagery. Kasetsart University, DORAS Center, Research Report n°5, submitted to NRCT, Bangkok, pp. 155. /Thailand / Chao Phraya / irrigation / rice / water management / deep water rice / floating rice / flood / drainage / technical change/ cropping techniques / GIS / remote sensing ISBN 974-553-557-5 Please direct inquiries and comments to : DORAS Center Kasetsart University Administrative building, 10th floor Bangkhen, 10900 Bangkok Thailand
[email protected] Kasetsart University, ORSTOM, 1999 Printed in Bangkok Acknowledgment The authors wish to express their gratitude to Tawee Kupkanchanakul for his kind and sound review of an earlier manuscript of this report. They also wish to thank Thitima Muangklai and Joël Coudray for their participation to the field survey. This study has much benefited from the information kindly provided by staff from RID Projects in the study area, namely : Khok Kratiem, Roeng Rang, Maharat, Chanasutr, Yangmanee, Phak Hai, Bang Ban and Nakhon Luang. Our special thanks to Khun Wirat Khao-uppatum and Khun Chaiwat Prechawit in RID's Central Office, for the attention and encouragements given to this research.