The Irrigation Management Network represents a world-wide network of researchers and administrators interested in the issues of irrigation management and irrigation schemes. This series of papers covers 1990.

Articles featured in these issues include:

• Variability in Water Supply, Incomes and Fees: Illustrations of Vicious Circles from Sudan and Zimbabwe by Mary Tiffen
• The Operation and Maintenance of a Pilot Rehabilitated Zone in the Office du Niger, Mali by J Jaujay
• The Design of Farmer Managed Irrigation Systems: Experiences from Zimbabwe by J M Makadho
• Irrigation Service Fees in Asia by Leslie E Small
• Design for Sustainable Farmer Managed Irrigation Schemes in Sub-Saharan Africa by J J Speelman
• Farmer Participation in Planning, Implementation and Operation of Small-Scale Irrigation Projects by fan Smout
• Reading, Writing and Cultivating: The Role of Literacy in Irrigation by Juliet Millican
• Estimating the Economic Profitability of Irrigation: The Case of Brazil by The FAO Investment Centre
• Tank Irrigation in South India: What Next? by K Palanisami
• Interactions Between Technical Infrastructure and Management by L Horst
• Irrigation Allocation Problems at Tertiary Level in Pakistan by M Akhtar Bhatti and Jacob W Kijne
• Sustainable Development of Groundwater Resources: Lessons from Amrapur and Husseinabad Villages, India by Tushaar Shah
• The Politics of Water Scarcity: Irrigation and Water Supply in the Mountains of the Yemen Republic by Linden Vincent
• Perspectives on the Middle East Water Crisis: Analysing Water Scarcity Problems in Jordan and Israel by Richard Sexton.