1. INTRODUCTION.- Preface.- 1.1 Cotton, water, salt and Soums - research and capacity building for decision-making in Khorezm, Uzbekistan.- 2. THE BACKGROUND (PHYSICAL SETTING).- 2.1 Agro-meteorological trends of recent climate development in Khorezm.- 2.2 Soils and soil ecology in Khorezm.- 2.3 Spatial distribution of cotton yield and its relationship to environmental, irrigation infrastructure and water management factors on a regional scale in Khorezm, Uzbekistan.- 2.4 Water management in Khorezm: current situation and options for improvement (hydrological perspective).- 3. THE SYSTEM SETTING (SOCIETY AND INSTITUTION).- 3.1 Farm reform in Uzbekistan.- 3.2 Mapping and analyzing service provision for supporting agricultural production in Khorezm, Uzbekistan.- 3.3 Politics of Agricultural Water Management in Khorezm, Uzbekistan.- 3.4 Water and sanitation-related health aspects in Khorezm, Uzbekistan.- 3.5 Price and income elasticity of residential electricity consumption in Khorezm.- 4. LAND MANAGEMENT IMPROVEMENT OPTIONS.- 4.1 Optimal irrigation and N-fertilizer management for sustainable winter wheat production in Khorezm, Uzbekistan.- 4.2 Groundwater contribution to N fertilization in irrigated cotton and winter wheat in the Khorezm region, Uzbekistan.- 4.3 Introducing conservation agriculture on irrigated meadow alluvial soils (Arenosols) in Khorezm, Uzbekistan.- 4.4 Crop diversification in support of sustainable agriculture in Khorezm.- 4.5 Conversion of degraded cropland to tree plantations for ecosystem and livelihood benefits.- 4.6 Abundance of natural riparian forests and tree plantations in the Amudarya delta of Uzbekistan and their impact on emissions of soil-borne greenhouse gases.- 5. LAND AND WATER MANAGEMENT IMPROVEMENT TOOLS.- 5.1 Economic-ecological optimization model of land and resource use at farm-aggregated level.- 5.2 Water patterns in the landscape of Khorezm, Uzbekistan. A GIS approach tosocial-physical research.- 5.3 Modeling irrigation scheduling under shallow groundwater conditions as a tool for an integrated management of surface and groundwater resources.- 5.4 Estimation of spatial and temporal variability of crop water productivity with incomplete data.- 6. ECONOMIC SYSTEM MANAGEMENT REFORM OPTIONS.- 6.1 A computable general equilibrium analysis of agricultural development reforms: national and regional perspective.- 6.2 State order and policy strategies in the cotton and wheat value chains.- 6.3 Prospects of Agricultural Water Service Fees in the Irrigated Drylands, Downstream of Amudarya.-.