Research Articles

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  Energy Efficiency and Economic Analysis of an Irrigated Rice Farming System in Ampara District of Sri Lanka: An Assessment for 2018/19 Maha Season

  N. A. R. J. Perera,  A. K. Karunarathna,  B. F. A. Basnayake

  • PDF (EN)

  30 Jul 2021

  32 (3):256-264
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  Comparative Analysis of Sustainability in Paddy Monoculture and Paddy-Maize Rotation Farming Systems in Sri Lanka

  S. P. Dissanayake,  L. H. P. Gunaratne,  T. Sivanathewer,  G. A. S. Ginigaddara

  • PDF (EN)

  30 Jul 2021

  32 (3):265-275
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  Application of Standard Precipitation Index (SPI) to Assess Rainfall variability in a Major Agricultural Area in Dry Zone of Sri Lanka

  E. M. G. P. Hemachandra,  N. D. K. Dayawansa,  R. P. De Silva

  • PDF (EN)

  30 Jul 2021

  32 (3):276-286
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  Effect of Indian Ocean Dipole (IOD) Events on the Second Inter-monsoonal Rainfall in the Wet Zone of Sri Lanka

  A. B. Abeysekera,  B. V. R. Punyawardena,  B. Marambe,  I. M. S. P. Jayawardena,  T. Sivananthawerl,  V. N. M. Wickramasinghe

  • PDF (EN)

  30 Jul 2021

  32 (3):287-297
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  Water Productivity in Tank Cascade Systems: A Case Study in Mahakanumulla Cascade, Sri Lanka

  S. Sirimanna,  D. V. P. Prasada

  • PDF (EN)

  30 Jul 2021

  32 (3):298-306
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  Overcoming Challenges and Achieving Sustainability of Potato Production through A Real-time Digital Knowledge-based System

  M. S. A. Mohamed,  D. L. Wathugala,  W. A. Indika,  M. K. S. Madushika

  • PDF (EN)

  30 Jul 2021

  32 (3):307-317
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  Comparison of DNA Extraction Protocols for Molecular Identification of Root Knot Nematode (Meloidogyne Spp.) Using Egg Masses

  W. M. S. U. K. Wijekoon,  K. M. D. W. P. Nishantha,  D. M. De Costa

  • PDF (EN)

  30 Jul 2021

  32 (3):318-324
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  Growth Physiology and Crop Yields of Direct-seeded Rice under Diverse Input Systems in the Dry Zone of Sri Lanka

  W. M. D. M. Wickramasinghe,  D. A. U. D. Devasinghe,  D. M. D. Dissanayake,  D. I. D. S. Benaragama,  W. C. P. Egodawatta,  L. D. B. Suriyagoda

  • PDF (EN)

  30 Jul 2021

  32 (3):325-337
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  Drought Analysis Using Standardized Precipitation Index (SPI): A Case Study in Jaffna Peninsula in Sri Lanka

  T. Sellathurai,  K. Venugoban,  S. S. Sivakumar,  T. Mikunthan

  • PDF (EN)

  30 Jul 2021

  32 (3):338-348
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  Sorption Isotherm Analysis of Trace Metals on a Sandy Textured Coconut Growing Soil

  M. K. F. Nadheesha,  A. J. Mohotti,  N. Priyantha

  • PDF (EN)

  30 Jul 2021

  32 (3):349-357
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  Effect of Ulva lactuca and Sargassum cinereum Supplemented Diets on Growth Performance of Koi Carp (Cyprinus carpio Linnaeus, 1758) Fry in Laboratory Conditions

  K. G. A. Sudharaka,  D. H. N. Munasinghe,  W. A. H. P. Guruge

  • PDF (EN)

  30 Jul 2021

  32 (3):358-367
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  Functional Impairment of Bovine Spermatozoa by Fungicide Mancozeb: an in vitro Exposure Study

  C. Kodithuwakku,  Y. G. M. Prasadani,  M. P. B. Wijayagunawardhane,  C. Rathnayake,  K. F. Lee,  S. P. Kodithuwakku

  • PDF (EN)

  30 Jul 2021

  32 (3):368-379