International networks; Varietal improvement; Soil, crop, and water management; Pest management; Technology transfer.

What is rainfed lowland rice? The rainfed lowland ecosystem; The cultivars; Agronomic traits; Growth duration; Drought resistance; Submergence tolerance; Cold t

International networks; Varietal improvement; Soil, crop, and water management; Pest management; Technology transfer.

Introduction and background; Characterization of environments; Nutrient balances; Managing organic matter; Nutrient x water interactions; Soil physical constrai