Your search found 4 records
1 Wijewardena, J. D. H.. 2000. Impact of intensive vegetable cultivation on drinking water quality in the upcountry region of Sri Lanka. In Samad, M.; Wijesekera, N. T. S.; Birch, A. (Eds.). Status and future direction of water research in Sri Lanka: proceedings of the National Conference held at the BMICH, Colombo, Sri Lanka, 4-6 November, 1998. Colombo, Sri Lanka: International Water Management Institute (IWMI). pp.177-192.
Wells ; Water quality ; Monitoring ; Fertilizers ; Vegetables ; Crop production ; Water pollution / Sri Lanka
(Location: IWMI-HQ Call no: IWMI 333.91 G744 SAM Record No: H023508)
(0.72 MB)
2 Wijewardena, J. D. H.; Yapa, U. W. S. P.; Yatagama, S. M. K. G. 1998; 1999. Drinking water quality of some wells in the intensive vegetable growing areas in the upcountry intermediate zone. Tropical Agriculturist, 152:9-17.
Domestic water ; Drinking water ; Wells ; Water pollution ; Water quality ; Vegetables ; Fertilizers ; Nitrogen / Sri Lanka
(Location: IWMI-HQ Call no: P 7211 Record No: H036492)
3 Wijewardena, J. D. H.. 2001. Fertilizer and soil amendments use on potato in relation to soil fertility in rice based cropping systems of upcountry of Sri Lanka. Annals of the Sri Lanka Department of Agriculture, 3:353-363.
Soil fertility ; Fertilizers ; Dolomite ; Rice ; Potatoes ; Cropping systems / Sri Lanka / Badulla District / Uva Paranagama
(Location: IWMI-HQ Call no: P 7671 Record No: H039442)
4 Wijewardena, J. D. H.. 2001. Effect of sources and levels of liming materials on soil acidity in ultisols of the upcountry. Annals of the Sri Lanka Department of Agriculture, 3:365-372.
Soil properties ; Dolomite ; Soil ph ; Acrisols ; Vegetables ; Organic fertilizers / Sri Lanka / Bandarawela
(Location: IWMI-HQ Call no: P 7671 Record No: H039443)
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