Department of Soil Science
http://ir.lib.ruh.ac.lk/handle/iruor/7473
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2026-05-13T19:36:47Z
ශ්රී ලංකාව් වාරි ශිෂ්ටාචාරය සහ එල්ලංගා පද්ධති
Amarasinghe, S.R.
Gunawardena, S.M.
http://ir.lib.ruh.ac.lk/handle/iruor/13094
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2021-01-01T00:00:00Z
ශ්රී ලංකාව් වාරි ශිෂ්ටාචාරය සහ එල්ලංගා පද්ධති
Amarasinghe, S.R.; Gunawardena, S.M.
2021-01-01T00:00:00Z
Handbook for laboratory analysis of soil & water
Amarasinghe, S.R.
http://ir.lib.ruh.ac.lk/handle/iruor/13092
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2020-01-01T00:00:00Z
Handbook for laboratory analysis of soil & water
Amarasinghe, S.R.
2020-01-01T00:00:00Z
"කොම්පෝස්ට්" compost
Amarasinghe, S.R.
http://ir.lib.ruh.ac.lk/handle/iruor/13091
2024-10-09T07:41:59Z
2021-01-01T00:00:00Z
"කොම්පෝස්ට්" compost
Amarasinghe, S.R.
2021-01-01T00:00:00Z
"අපූරු පා"ඩම"
Amarasinghe, S.R.
http://ir.lib.ruh.ac.lk/handle/iruor/13088
2024-10-09T07:41:44Z
2022-01-01T00:00:00Z
"අපූරු පා"ඩම"
Amarasinghe, S.R.
2022-01-01T00:00:00Z