Identification of a manually operated water lifting device for small scale cash crop growers in the dry zone

Rajapakse, C.L.Basnayake, B.F.A.2014-11-122014-11-121992Tropical Agricultural Research, 04:p.315-326https://dl.nsf.gov.lk/handle/1/11683IrrigationAgricultural engineeringIdentification of a manually operated water lifting device for small scale cash crop growers in the dry zoneA