TY - BOOK AU - Kikuchi, M. TI - Agro-well and pump diffusion in the dry zone of Sri Lanka: past trends, present status and future prospects T2 - Research report SN - 9290905077 PY - 2003/// CY - Colombo, Sri Lanka PB - International Water management Institute KW - Bombeo KW - Cultivos KW - Irrigación KW - Sistemas de riego ER -