Your search found 4 records
1 Ponrajah, A. J. P.. 1981. Planning irrigation schemes. Paper presented at Pilot Training Programme in Settlement Planning, Gannoruwa, Sri Lanka, 20 July - 12 August 1981. 19p.
Settlement patterns ; Social aspects ; Economic aspects ; Planning ; Political aspects / Sri Lanka
(Location: IWMI-HQ Call no: P 1099 Record No: H01421)
https://vlibrary.iwmi.org/pdf/H01421.pdf

2 Ponrajah, A. J. P.. 1984. Design of irrigation headworks for small catchments (Upto catchments of 20 square miles) 2nd ed., rev. Colombo, Sri Lanka: Irrigation Department. v, 97p.
Irrigation design ; Catchment areas ; Irrigation requirements ; Flood irrigation ; Reservoirs / Sri Lanka
(Location: IWMI-HQ Call no: 631.7.1 G744 PON Record No: H05459)

3 Ponrajah, A. J. P.. 1988. Technical guidelines for irrigation work. Colombo, Sri Lanka: Irrigation Department. viii, 258p.
Irrigation systems ; Surveys ; Planning ; Design ; Hydraulics ; Canals ; Economic evaluation ; Irrigation scheduling
(Location: IWMI-HQ Call no: 631.7.1 G744 PON Record No: H05748)

4 Ponrajah, A. J. P.; Buddhadasa, S. V. A. 1978. Procedures for preparation of layout plans and channel system in major irrigation schemes. Jalavrudhi, 1(1):36-45.
Irrigation programs ; Irrigation canals ; Canal construction ; Distributary canals / Sri Lanka
(Location: IWMI-HQ Call no: P 4258 Record No: H018583)
https://vlibrary.iwmi.org/pdf/H018583.pdf
(0.62 MB)

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