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1 Amarasiri, S.L., Water quality of major irrigation tanks in Sri Lanka.
Agricultural Research Station, Mahailluppallama, Sri Lanka. (Received June 1972).

2 De Silva, C.S., K. Weatherhead2 and K.R. Rushton1, Sustainability of Agrowell Irrigation on Hardrock Aquifers of Sri Lanka. Division of Agricultural Engineering The Open University of Sri Lanka., Nawala, Nugegoda.

3 De Silva, S.H.C. Divisional Irrigation Engineer, Irrigation Department, Colombo 7, Sri Lanka. Engineering problems of flood control and drainage in the low lying lands of the wet zone in Sri Lanka. Tropical Agriculturist Vol. CXXXIII, 1977.

4 Heemaratne, H., P. Abeygunawardena and M.W. Thilakaratne Agricultural Economics Unit, Regional Agricultural Research Centre, Bombuwela. Income Inequalities and Different Levels of water Availabilities in Irrigation Schemes: The Case of Minipe. Tropical Agricultural Research Vol. 3 1991

5 Kuruppuarachchi, D.S.P., Regional Agricultural Research Centre, Makandura, Gonawila (NWP), Effect of N Fertilizer and Irrigation on yield of Potato in North Western Regosol Belt of Sri Lanka. Tropical Agriculturist, 1993 Volume 149.

6 Kotagama, H.B., L. Smith1 and I.D. Carruthers1, Department of Agriculture., University of Peradeniya, Peradeniya., Identification and Estimation of Priority Weights of Irrigation System Management Objectives for Irrigation System Performance Assessment. Tropical Agricultural Research Vol. 4. 1992

7 Lewis, J.A. Deputy Director, Regional Research Centre, Kilinochchi, Design criteria of Sprinkler Irrigation for the dry zone. Tropical Agriculture 1980 Volume 136.

8 Nayakakorale, H.B., Regional Research Centre, Maha Illuppallama, Sri Lanka. Supplementant Irrigation Requirement for early grown lowland rice during the rainy season in the dry zone.

9 Palitha, W., and E.R.N. Gunawardena1, In- service Training Institute, Department of Agriculture, Makandura. Development and Testing of a soil Moisture Deficit Indicator for Irrigation Scheduling. Tropical Agricultural Research Vol. 4 1992.

10 PRIYANJITH, K.J.K.T., 1 D.S.P. KURUPPUARACHCHI2 and H.A.W. GUNATHILAKA1. Department of plantation Management, Department of Horticulture and Landscape Gardening, Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, Gonawilla (NWP) Field Evaluation of Drip Irrigation System for Small Scale Banana (Musa) Orchards.

11 Rasiah., V., Regional Research Centre, Maha Illuppallama. Water table behaviors under irrigation in the rhodustalfs. Tropical Agriculturist, VOL CXXXVI 1980.

12 Somasiri, S., Land and water Management Research Centre, Peradeniya. Irrigation Potential of minor Tanks and their Agricultural Stability. Tropical Agriculturist, Vol. 147, 1991.

13 Upasena, J., and P. Abeygunawardena, Postgraduate Institute of Agriculture, University of Peradeniya, Peradeniya. Determinants of Farmer Participation in Irrigation Management: the Case of Kimbulwana Oya Scheme. Tropical Agriculture Vol 4 1992.

14 Wijesekara, R.S., Subject Matter Specialist (Micro Irrigation), In-service Training Institute, Gannoruwa, CROP WATER REQUIREMENT OF MICRO IRRIGATED CROPS, Krushi Vol — 18, 1999 October 2000 March.