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Volume 31 (2020): Issue 1 (Jan 2020)

Open Access

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Tropical Agricultural Research

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9 articles

Open Access

|Jan 2020

Equilibrium relations in the coconut sector: an analysis of fresh nut, oil and desiccated coconut market in Sri Lanka for the period 1956-2017

M. G. D. Abeysekara , D. V. P. Prasada and P. M. E. K. Pathiraja

Open Access

|Jan 2020

Impact of agricultural land use on soil organic carbon sequestration at sub-catchment scale

D. D. A. E. Hemamali, U. W. A. Vitharana , B. L. W. K. Balasooriya, C. P. Attanayake, W. S. Dandeniya and S. I. Nimanthi

Open Access

|Jan 2020

Sustenance of Seed Germination Potential of Two Okra (Abelmoschus esculentus L. Moench) Varieties under Different Environmental Conditions in Sri Lanka

R. A. I. S. Ariyarathna , S. L. Weerasena and C. K. Beneragama

Open Access

|Jan 2020

Mass Rearing of Mealybug Predator, Cryptolaemus montrouzieri Mulsant (Coleoptera: Coccinellidae) on two Mealybug Species, Planococcus minor and Pseudococcus viburni

D. U. M. Gunawardana and K. S. Hemachandra

Open Access

|Jan 2020

Role and capacity of tea societies in the smallholding sector in Sri Lanka: an assessment based on the perceptions of extension officers

K. G. J. P. Mahindapala , M. W. A. P. Jayathilaka, L. N. A. C. Jayawardane, K. P. P. Kopiyawattage and M. P. M. De Mel

Open Access

|Jan 2020

Morphometric and molecular characterization of isolates of the root lesion nematode, Pratylenchus loosi infecting Tea in Sri Lanka

P. G. D. S. Amarasena , K. M. Mohotti, D. M. De Costa and J. Fosu-Nyarko

Open Access

|Jan 2020

Effect of the epicuticular wax level of leaf lamina on the behaviour of leaf hopper Deltocephalus menoni (Hemiptera: Cicadellidae); A vector of sugarcane white leaf disease

K. M. G. Chanchala , V. K. A. S. M. Wanasinghe, K. S. Hemachandra, L. Nugaliyadde and W. R. G. Witharama

Open Access

|Jan 2020

Response of tree community composition, plant diversity and aboveground tree biomass in tropical rainforests of Sri Lanka to variation in altitude

H. K. N. Sanjeewani , D. P. Samarasinghe, H. D. Jayasinghe, P. H. Gardiyawasam, W. M. P. S. B. Wahala, W. M. G. A. S. T. B. Wijetunga, K. D. B. Ukuwela, P. Gomes and W. A. J. M. De Costa

Open Access

|Jan 2020

Relationship between management practices and calf welfare in mid- country dairy farms in Sri Lanka

W. P. C. G. Weerasinghe, E. Rajapaksha, W. W. D. A. Gunawardena and T. S. Samarakone

eISSN: 2706-0233|Language: English

Website: https://tar.sljol.info

Published by: Postgraduate Institute of Agriculture (PGIA)

In partnership with: Paradigm Publishing Services

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