Department of Soil Science
http://ir.lib.ruh.ac.lk/handle/iruor/7473
2026-05-13T19:37:21Z
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ශ්රී ලංකාව් වාරි ශිෂ්ටාචාරය සහ එල්ලංගා පද්ධති
http://ir.lib.ruh.ac.lk/handle/iruor/13094
ශ්රී ලංකාව් වාරි ශිෂ්ටාචාරය සහ එල්ලංගා පද්ධති
Amarasinghe, S.R.; Gunawardena, S.M.
2021-01-01T00:00:00Z
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Handbook for laboratory analysis of soil & water
http://ir.lib.ruh.ac.lk/handle/iruor/13092
Handbook for laboratory analysis of soil & water
Amarasinghe, S.R.
2020-01-01T00:00:00Z
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"කොම්පෝස්ට්" compost
http://ir.lib.ruh.ac.lk/handle/iruor/13091
"කොම්පෝස්ට්" compost
Amarasinghe, S.R.
2021-01-01T00:00:00Z
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"අපූරු පා"ඩම"
http://ir.lib.ruh.ac.lk/handle/iruor/13088
"අපූරු පා"ඩම"
Amarasinghe, S.R.
2022-01-01T00:00:00Z