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Micro-irrigation System (MIS) is proved to be an efficient method in saving water and increasing water use efficiency as compared to the conventional surface method of irrigation. However, use of MIS in Sri Lanka especially in the dryzone is very low. The present study was aimed to find the status of MIS adopted for vegetable cultivation in view of extending the cultivable land with MIS to increase the water use efficiency in five Divisional Secretariat (DS) division of Polonnaruwa district. Primary data were collected from 150 farmers using structured questionnaires, direct observation, field visit and personal interview. Results showed that, 17.3% of farmers adopted MIS in the study area. Most of MIS adopted farmers’ family income was higher than the MIS not adopted farmers due to the reduction in labour cost and the selection of higher value crops for the cultivation. Most of MIS adopted farmers (65.4%) were cultivating vegetable in both seasons and 88.5 % of them pointed that their yield was increased by adopting MIS. Higher initial cost was the major drawback in implementing MIS system in the study area. Lack of capitals and knowledge were the major constrains for adopting MIS. Therefore, regular extension services, training program and supply of subsidies for establishment MIS are very essential in the study area to enhance the water use efficiency by adopting MIS.

Status of micro irrigation systems adopted for vegetable cultivation in Polonnaruwa district, Sri Lanka