/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Yogaratnam%22&sort_by=relevance&format=rss 57 0 50 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=46558 By Yogaratnam N.
International Rubber Conference, 1985, Kuala Lumpur 1985 .
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]]> Place hold on Micronutrients in Hevea nutrition under Sri Lankan conditions

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=46558 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=53602 By Yogaratnam N.
Rubber Asia 2004 .
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]]> Place hold on A Six-criteria combine can help sustain the industry

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=53602 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=53791 By Yogaratnam N.
Bulletin of the Rubber Research Institute of Sri Lanka 1991 .
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]]> Place hold on Adaptive research for rubber small holders

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=53791 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=53802 By Yogaratnam N.
Rubber Asia 2011 .
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]]> Place hold on Address safety and health-related issues in rubber sector

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=53802 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=54230 By Wijesuria Wasana.
Papers presented at IRRDB seminar 5-8 November 1996 Sri Lanka p28

]]> Place hold on Analysis of intercropping systems under rubber

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=54230 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=54387 By Samarappuli Lalani.
Proceedings of the Seminar on Nuclear Techniques for better Agricultural Productivity, 1997 1997

]]> Place hold on Application of nuclear techniques in soil moisture studies under rubber

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=54387 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=54509 By Samarappuli L.
Proceedings of the International Rubber Conference, Colombo, 1984, V1. Part 1; p19-46Proceedings of the International Rubber Conference, Colombo, 1984, V1. Part 2; p529-543

]]> Place hold on Aspects of moisture and soil conservation in rubber plantations

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=54509 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=54895 By Yogaratnam N..
Rubber Asia 2010 .
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]]> Place hold on Boost smallholder sustainability through empowerment

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=54895 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=56028 By Dharamakeerthi R S.
Journal of the Rubber Research Institute of Sri Lanka 1997 .
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]]> Place hold on Comparison of the effectiveness of liquid and granule fertilizer mixtures on rubber plants raised by young budding technique

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=56028 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=57112 By Yogaratnam N.
Bulletin of the Rubber Research Institute of Sri Lanka 1992 .
10-May

]]> Place hold on Developments in rubber research

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=57112 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=57577 By Samarappuli I N.
Journal of the Rubber Research Institute of Sri Lanka 1997 .
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]]> Place hold on Economic assessment of soil and foliar based fertilizer application for mature rubber: the case of estate sector in Kegalle district

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=57577 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=57623 By Yogaratnam.
Journal of the Rubber Research Institute of Sri Lanka 1995 .
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]]> Place hold on Economics of interplanting rubber with tea in the low country wet zone

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=57623 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=57848 By Yogaratnam N.
Journal of the Rubber Research Institute of Sri Lanka 1985 .
15-24

]]> Place hold on Effect of fertilizers on leaf composition of NPK in some Hevea cultivars

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=57848 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=57977 By Samarappuli Lalani.
Journal of Rubber Research 1998 .
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]]> Place hold on Effect of mulching with rice straw on soil chemical properties and its influence on the performance of Hevea

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=57977 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=58056 By Iqbal S M M.
Journal of the Rubber Research Institute of Sri Lanka 1995 .
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]]> Place hold on Effect of potassium on growth, yield and mineral composition of young Hevea brasiliensis

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=58056 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=58057 By Weerasuriya S M.
Journal of the Rubber Research Institute of Sri Lanka 1988 .
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]]> Place hold on Effect of pottasium and magnesium on growth of young Hevea brasiliensis

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=58057 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=58133 By Samarappuli Lalani.
Journal of the Rubber Research Institute of Sri Lanka 1993 .
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]]> Place hold on Effect of soil moisture on establishment success of different planting techniques in rubber

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=58133 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=58358 By Samarappuli Lalani.
Journal of Rubber Research 1999 .
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]]> Place hold on Effects of mulching with rice straw on some physical properties of soils under rubber

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=58358 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=58365 By Weerasuriya S M.
Journal of the Rubber Research Institute of Sri Lanka 1989 .
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]]> Place hold on Effects of potassium and magnesium on leaf and bark nutrient contents of young Hevea brasiliensis

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=58365 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=58751 By Yogaratnam N.
Bulletin of the Rubber Research Institute of Sri Lanka 1987 .
35-39

]]> Place hold on Eppawela rock phosphate as a source of phosphorus for rubber

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=58751 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=58757 By Yogaratnam N.
Rubber Asia 2002 .
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]]> Place hold on Ergonomics can help productivity on plantations

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=58757 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=59370 By Yogaratnam N.
Journal of the Rubber Research Institute of Sri Lanka 1984 .
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]]> Place hold on Fertilizer responses in mature Hevea under Sri Lankan conditions

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=59370 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=59373 By Peries O S.
Journal of the Rubber Research Institute of Sri Lanka 1982 .
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]]> Place hold on Fertilizer use among perennial crops

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=59373 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=59717 By Yogaratnam N.
Bulletin of the Rubber Research Institute of Sri Lanka 1993 .
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]]> Place hold on Future trends and policies in soil-plant studies

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=59717 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=61525 By Yogaratnam N.
Rubber Asia 1995 .
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]]> Place hold on Intercropping of rubber with tea feasible

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=61525 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=61572 By Yogaratnam N.
Bulletin of the Rubber Research Institute of Sri Lanka 1998 .
10-Jan

]]> Place hold on Interplanting of rubber with tea: A technology appropriate for rubber smallholdings

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=61572 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=61948 By Yogaratnam N.
Rubber Asia 2013 .
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]]> Place hold on Lanka needs scouting new locations for NR

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=61948 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=62424 By Yogaratnam N.
Journal of the Rubber Research Institute of Sri Lanka : Conference Proceedings 1977 .
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]]> Place hold on Management of covers under Hevea in Sri Lanka

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=62424 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=62427 By Yogaratnam N.
Proceedings of the International Rubber Conference, Colombo, 1984, V1. Part 1; p19-46Proceedings of the International Rubber Conference, Colombo, 1984, V1. Part 2; p521-527

]]> Place hold on Management of ground coverrs for optimum production

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=62427 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=62448 By Yogaratnam N.
Rubber Research Institute of Sri Lanka Bulletin 1985 .
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]]> Place hold on Management of soil resources to meet the challenges of the future

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=62448 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=62454 By Samarappuli Lalani.
Proceedings of the 9th Workshop on multipurpose trees for Environmental Conservation, 1997 1997

]]> Place hold on Management of tree legumes towards higher productivity in rubber plantations

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=62454 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=63334 By Yogaratnam N.
Journal. Nat. Inst. Plantation Management 1995 .
9-Jan , Source Year: 1997

]]> Place hold on Multicropping of rubber lands with tea

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=63334 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=64508 By Tillekeratne L M K.
Journal of the National Institute of Plantation Management 1998 .
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]]> Place hold on Outlook for development and trends in production and consumption of Sri Lankan rubber industry

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=64508 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=64577 By Samarappuli L N.
Rubber Asia 1995 .
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]]> Place hold on Paddy straw: An effective mulching material

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=64577 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=64790 By Samarappuli L.
Journal of the Rubber Research Institute of Sri Lanka 1992 .
49-61 , Source Year: 1995

]]> Place hold on Performance of some RRIC 100 series clones under different aoil moisture regimes

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=64790 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=65525 By Samarappuli L.
Journal of the Rubber Research Institute of Sri Lanka 1992 .
39-48 , Source Year: 1995

]]> Place hold on Preliminary studies on the use of neutron probe in some rubber growing soils

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=65525 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=65787 By Yogaratnam N.
Bulletin of the Rubber Research Institute of Sri Lanka 1998 .
52-61

]]> Place hold on Processing of NR and some developments in rubber chemistry and technology in Sri Lanka

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=65787 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=66463 By Yogaratnam N.
Proceedings of the International Rubber Conference, Colombo, 1984, V1. Part 1; p19-46Proceedings of the International Rubber Conference, Colombo, 1984, V1. Part 1; p207-247

]]> Place hold on Recent developments in the nutrition of Hevea in Sri Lanka

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=66463 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=67203 By Samarappuli Lalani.
Journal of the Rubber Research Institute of Sri Lanka 1993 .
37-57

]]> Place hold on Role of potassium on growth and water relations of rubber plants

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=67203 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=67242 By Samarappuli L.
Journal of the Rubber Research Institute of Sri Lanka 1996 .
93-111

]]> Place hold on Root development in Hevea brasiliensis in relation to management practices

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=67242 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=67774 By Yogaratnam N.
Bulletin of the Rubber Research Institute of Sri Lanka 2000 .
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]]> Place hold on Rubber land suitability evaluation

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=67774 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=67851 By Yogaratnam N.
Rubber Asia 2013 .
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]]> Place hold on Rubber out-grower scheme: Advantage smallholders

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=67851 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=67852 By Yogaratnam N.
Rubber Asia 2013 .
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]]> Place hold on Rubber out-grower scheme: Advantage smallholders

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=67852 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=68812 By Yogaratnam N.
Rubber Research Institute of Sri Lanka Bulletin 1985 .
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]]> Place hold on Soil - How it supports plant growth

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=68812 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=68846 By Samarappuli Lalani.
Bulletin of the Rubber Research Institute of Sri Lanka 1997 .
18-Jul

]]> Place hold on Soil management practices in rubber plantations and their effects on the environment

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=68846 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=68921 By Yogaratnam N.
Journal of the National Institute of Plantation Management 2001 .
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]]> Place hold on Some aspects of ergonomics of rubber tapping and human factors affecting worker productivity

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=68921 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=69191 By Yogaratnam N..
Rubber Asia 2010 .
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]]> Place hold on Sri Lankan Plantation industry: Impressive growth amid lingering challenges

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=69191 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=70067 By Yogaratnam N.
Bulletin of the Rubber Research Institute of Sri Lanka 2004 .
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]]> Place hold on Sustainability of the rubber industry

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=70067 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=71381 By Samarappuli Lalani.
Journal of the Rubber Research Institute of Sri Lanka 1998 .
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]]> Place hold on Tolerance of rubber plantations to drought and atmospheric warming: A review

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=71381 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=71419 By Samarappuli L.
Journal of the Rubber Research Institute of Sri Lanka 1992 .
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]]> Place hold on Towards shorter immaturity and improved yields by mulching with rice straw

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=71419