Cover -- Copyright -- Foreword -- Table of Contents -- Key Messages -- Executive Summary -- Chapter 1: Linking policies, farm management and water quality -- 1.1 The challenge -- 1.2 The Polluter-Pays-Principle -- 1.3 The policy mix and interactions affecting water quality in agriculture -- 1.4 Farm management practices and hydrological properties and processes -- 1.5 Challenges in the interaction between farm management practices and water quality -- Bibliography -- Chapter 2: Agriculture and water quality: Sources, trends, outlook and monitoring -- 2.1 Sources of water pollution from agriculture -- 2.2 The contribution of agriculture as a source of water pollution -- 2.3 Overall trends of the impacts of agriculture on water quality -- 2.4 Medium-term outlook and implications of climate change -- 2.5 Issues related to monitoring water quality in agriculture important for policy makers -- Notes -- Bibliography -- Chapter 3: Monetary costs and benefits of agriculture's impact on water systems -- 3.1 Key components in measuring the costs and benefits of agriculture on water quality -- 3.2 Information needs to provide monetary cost and benefit estimates -- 3.3 A survey of OECD countries' impact estimates -- 3.4 Further research -- Note -- Bibliography -- Chapter 4: OECD policy instruments and mixes addressing water quality issues in agriculture -- 4.1 Economic instruments -- 4.2 Environmental regulations -- 4.3 Information instruments and other persuasive approaches to address water pollution -- Notes -- Bibliography -- Chapter 5: OECD policy experiences in addressing water quality issues in agriculture -- 5.1 Addressing nitrate water pollution from agriculture in the European Union -- 5.2 Lowering pollution of the Chesapeake Bay, United States: The role of agriculture.

5.3 Reducing salinity in agriculture to improve water quality: The case of Australia -- 5.4 Implementing water quality trading for nitrogen pollution in Lake Taupo, New Zealand -- 5.5 Improving research on diffuse source water pollution: France and the United Kingdom -- 5.6 Reforming governance to address social concerns with water quality in New Zealand -- 5.7 Addressing transborder pollution: The Baltic Sea, eutrophication and agriculture -- 5.8 Establishing co-operative agreements to address diffuse source pollution -- Notes -- Bibliography -- Chapter 6: Moving towards sustainable water quality management in agriculture -- 6.1 Policy challenges -- 6.2 Policy responses -- 6.3 Policy reforms -- 6.4 Policy governance and institutions -- Note -- Bibliography.