SysNet Research Paper Series

The designations employed in the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of IRRI concerning the legal status of any country, territory, city, area, or of its authorities, or the delimitation of its frontiers or boundaries. SysNet is a systems research network established to develop methodologies for determining land use options and to evaluate these methodologies for generating options for policy and technical changes in selected areas. iv Acronyms AEU agro-ecological unit CERES crop estimation through resource and environment synthesis CLRRI Cuu Long Delta Rice Research Institute DSS decision support system FHM farm household modeling GIS geographic information system IARC international agricultural research center IARI Indian Agricultural Research Institute ICAR Indian Council for Agricultural Research IMGLP interactive multiple goal linear programming IPM integrated pest management LGU local government unit LUPAS land use planning and analysis system MADA Muda Agricultural Development Authority MARDI Malaysian Agricultural Research and Development Institute MGLP multiple goal linear programming MMSU Mariano Marcos State University NARS national agricultural research system NGO non-governmental organization NRM natural resource management PA participatory approach PhilRice Philippine Rice Research Institute QUASI quantitative analysis of agro-ecosystems R&D research and development SARD sustainable agriculture and rural development SARP simulation and systems analysis for rice production SSNM site-specific nutrient management SUCROS simple and universal crop growth simulator UI user interface UPLB University of the Philippines at Los Baños WOFOST crop growth simulation model for world food studies WUR Wageningen University and Research Centre v Contents Foreword vi Preface vii Executive summary ix Project overview and highlights 1996-1999 1 Challenges, project strategy and major accomplishments R.P. Roetter et al. 3 Haryana State case study: Tradeoff between cereal production and environmental impact P.K. Aggarwal et al. 11 Kedah-Perlis Region case study: Income from agricultural activities versus rice production A.B. Ismail et al. 19 Ilocos Norte Province case study: Effects of future changes in nutrient management practices on agricultural development goals R.P. Roetter et al. 31 Can Tho Province case study: Land use planning under the economic reform C.T. Hoanh et al. Development of a tool for interactive land use scenario analysis: IMGLP use interface A.G. Laborte et al. 57 Stakeholder meetings in the Philippines, Malaysia , and Vietnam R.P. Roetter and A.G. Laborte 69 Scientific challenges H. van Keulen et al. 77 Annexes 81 Annex 1: The SysNet Toolkit for land use analysis in Asia …