Contributors -- Preface -- Foreword -- Congress Sponsors -- 1 Food Security? We Are Losing Ground Fast! -- 2 The Future of World, National and Household Food Security -- 3 Crop Science Research To Assure Food Security -- 4 Modifying the Composition of Plant Foods for Better Human Health -- 5 Facing the Growing Needs of Mankind - Grasslands and Rangelands -- 6 Abiotic Stresses, Plant Reactions and New Approaches Towards Understanding Stress Tolerance -- 7 Plant Stress Factors: Their Impact on Productivity of Cropping Systems -- 8 Optimizing Water Use -- 9 Abiotic Stresses and Staple Crops -- 10 Biotic Stresses in Crops -- 11 Management of Complex Interactions for Growth Resources and of Biotic Stresses in Agroforestry -- 12 Optimizing Crop Diversification -- 13 Biodiversity of Agroecosystems: Past, Present and Uncertain Future -- 14 Conservation and Utilization of Biodiversity in the Andean Ecoregion -- 15 The Role of Landscape Heterogeneity in the Sustainability of Cropping Systems -- 16 Cropping Systems for the Future -- 17 Will Yield Barriers Limit Future Rice Production? -- 18 New Crops for the 21st Century -- 19 Plant Biotechnology: Methods, Goals and Achievements -- 20 Transgenic Plants for Sustainable Crop Production -- 21 Crop Science: Scientific and Ethical Challenges to Meet Human Needs1 -- 22 Declaration of Hamburg -- Index.