The factors influencing the size and shape of exptl. field plots (area of exptl. lot, soil types, trial objective, no. of replicates, and degree of accuracy and homogeneity of the exptl. material) for the execution of field expt. are discussed.

Summaries of papers of a workshop which was organized with the objective of reviewing and comparing experiences in the application of computerized decision support tools to improve the performance of water management in irrigation systems of Sri Lanka.

This document reports the results of a small meeting of social scientists from ILCA and IFPRI held at ILCA.