Tropical Agricultural Research

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

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30 Jul 2021

32(3):256-264

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

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30 Jul 2021

32(3):265-275

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

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30 Jul 2021

32(3):276-286

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

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30 Jul 2021

32(3):287-297

Water Productivity in Tank Cascade Systems: A Case Study in Mahakanumulla Cascade, Sri Lanka

S. Sirimanna, D. V. P. Prasada

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30 Jul 2021

32(3):298-306

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

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30 Jul 2021

32(3):307-317

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

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30 Jul 2021

32(3):318-324

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

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30 Jul 2021

32(3):325-337

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

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30 Jul 2021

32(3):338-348

Sorption Isotherm Analysis of Trace Metals on a Sandy Textured Coconut Growing Soil

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

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30 Jul 2021

32(3):349-357

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

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30 Jul 2021

32(3):358-367

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

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30 Jul 2021

32(3):368-379