Includes references and list of contributors.

Contents: Soil, water and crop management for agricultural profitability and natural resources protection in salt- threatened irrigated lands. -- Guideline for groundwater resources management using the GIS tools in arid to semi arid climate regions. -- Precision irrigation: sensor network based irrigation. -- Criteria for evaluation of agricultural land suitability for irrigation in Osijek County Croatia. -- Rationalisation of established irrigation systems: policy and pitfalls. -- Strategies for irrigation water supply and conservation. -- Optimal design or rehabilitation of an irrigation project's pipe network. -- An algebraic approach for controlling cascade of reaches in irrigation canals. -- Performance of smallholder irrigation schemes in the Vhembe District of South Africa. -- Spatial variability if field microtopography and its influence on irrigation performance. -- Decision strategies for soil water estimations in soybean crops subjected to no- tillage and conventional systems, in Brazil.