Výsledky vyhledávání - "L.D.B. Suriyagoda"

Akademický článek

Effects of agro-climatic zones, soil orders, and irrigation types on the exchangeable cadmium in paddy soils

Autor: S. Sugathas, N.A.S.A. Neththasinghe, D.N. Sirisena, R. Thilakasiri, M. Ariyarathna, H.K. Kadupitiya, R. Chandrajith, L.D.B. Suriyagoda

Publikováno v: Soil & Environmental Health, Vol 2, Iss 2, Pp 100078- (2024)

Even though the concentrations of the total cadmium (Cd) in paddy soils from different countries have been reported, the exchangeable-Cd (Ex-Cd) concentrations in these soils are unknown despite its importance in agriculture. This study was conducted

Externí odkaz: https://doaj.org/article/5555483827cc4094a5b3db9f6102790c

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Akademický článek

Leaf development and expansion in tea [Camellia sinensis (L.) Kuntze] and their relationships with thermal time: a case study

Autor: H.A.S.L. Jayasinghe, L.D.B. Suriyagoda, A.S. Karunaratne, M.A. Wijeratne

Publikováno v: Tropical Agricultural Research, Vol 25, Iss 4, Pp 450-459 (2015)

Three field experiments were conducted to study the leaf and shoot expansion in tea [Camellia sinensis (L.) Kuntze] and their relationships with thermal time. The study site was Glen Alpine estate, Badulla, Sri Lanka located at an altitude of 1120 m

Externí odkaz: https://doaj.org/article/a2ec4e075b8c45db970f6067119d4548

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Akademický článek

Clustering of Rice (Oryza sativa L.) Varieties Cultivated in Jaffna District of Sri Lanka based on Salt Tolerance during Germination and Seedling Stages

Autor: L. Pradheeban, N.A.A.S.P. Nissanka, L.D.B. Suriyagoda

Publikováno v: Tropical Agricultural Research, Vol 25, Iss 3, Pp 358-375 (2015)

Twenty three rice (Oryza sativa L.) varieties cultivated in Jaffna district of Sri Lanka were screened for salt tolerance at the germination and early seedling stage using different salinity levels (0, 4, 8, 12, 24 and 45 dSm-1). Cluster analysis was

Externí odkaz: https://doaj.org/article/8778982c10594ad1ad374082ac966fba

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Akademický článek

Response of Maize (Zea mays L.) to a Temperature Gradient Representing Long-Term Climate Change Under Different Soil Management Systems

Autor: M.A.P.W.K. Malaviarachchi, W.A.J.M. De Costa, R.M. Fonseka, J.B.D.A.P. Kumara, K.M.R.D. Abhayapala, L.D.B. Suriyagoda

Publikováno v: Tropical Agricultural Research, Vol 25, Iss 3, Pp 327-344 (2015)

Maize (Zea mays L.) yields in Sri Lanka have been below its potential yield mainly due to biotic and abiotic stresses. This situation is likely to be aggravated in a changing climate in the future. This study was conducted under field conditions to d

Externí odkaz: https://doaj.org/article/4f80ad4c2f10419eac64db3b8462ffe3

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Akademický článek

Aligning Sowing Dates with the Onset of Rains to Improve Rice Yields and Water Productivity: Modelling Rice (Oryza sativa L.) Yield of the Maha Season in the Dry Zone of Sri Lanka

Autor: R.P.R.K. Amarasingha, L.W. Galagedara, B. Marambe, G.L.L.P. Silva, R. Punyawardena, U. Nidumolu, M. Howden, L.D.B. Suriyagoda

Publikováno v: Tropical Agricultural Research, Vol 25, Iss 3, Pp 277-286 (2015)

Rice (Oryza sativa L.) cultivation in Sri Lanka is restricted by limited water availability. Increased variability of seasonal rainfall as a result of climate change will further exacerbate risk in rice cultivation. Knowing the onset of rainfall thro

Externí odkaz: https://doaj.org/article/fe4f7ea4cfa14a0c93975ce47a272935

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Akademický článek

Modelling the impact of changes in rainfall distribution on the irrigation water requirement and yield of short and medium duration rice varieties using APSIM during Maha season in the dry zone of Sri Lanka

Autor: R.P.R.K. Amarasingha, L.D.B. Suriyagoda, B. Marambe, L.W. Galagedara, G.L.L.P Silva, R. Punyawardena, R. Wijekoon, U. Nidumolu, M. Howden

Publikováno v: Tropical Agricultural Research, Vol 26, Iss 2 (2015)

Rice (Oryza sativa L.) production in Sri Lanka is heavily dependent on the rainfall distribution pattern of the cultivating season. Estimation of the variation in yield and resource use efficiency of commonly grown rice varieties will be of immense i

Externí odkaz: https://doaj.org/article/661ca91abee94463bbb1dc1c91b2f3e8

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Akademický článek

Response of potato (Solanum tuberosum L.) to increasing growing season temperature under different Soil management and crop protection regimes in the upcountry of Sri Lanka

Autor: K.M.R.D. Abhayapala, W.A.J.M. De Costa, R.M. Fonseka, K. Prasannath, D.M. De Costa, L.D.B. Suriyagoda, P.D. Abeythilakeratne, M.M. Nugaliyadde

Publikováno v: Tropical Agricultural Research, Vol 25, Iss 4 (2015)

The national average potato yield of Sri Lanka is lower than its global average with the absence of an optimum temperature regime for tuber bulking being a major contributory factor. Increasing air temperatures due to the enhanced greenhouse effect h

Externí odkaz: https://doaj.org/article/9e741af064f348339be48a2448e7abbc

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Productivity of Different Nutrient Management Systems under Diverse Rice-Based Crop Rotations in the Dry Zone of Sri Lanka

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

Alternative nutrient management options have improved with many synergistic processes of spatial and temporal scale leading to sustained and stabilized productivity due to concerns over the irregular and uneven application of mineral fertilizers. How

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::20f647f0edb067c43f5241e7d603a1be
https://doi.org/10.21203/rs.3.rs-2839015/v1

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