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International Symposium on Agriculture and Environment (ISAE): Recent submissions

Now showing items 161-180 of 1226

Replacement of hydroponic maize fodder for concentrate feed in the diet of lactating dairy cows.

Abayawardana, B.A.S.K.; Gunathilake, R.M.S.; Rajapaksha, R.M.C.L.; Lakmini, G.W.A.S. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Feeding lactating dairy cows with high-quality green fodder is essential for achieving high yields and ensuring the sustainability and viability of dairy farming. The experiment was conducted for the first time in Sri ...
Development and evaluation of a high efficiency egg incubator for small-scale poultry farmers

Herath, H.M.C. Sandeepa; Puvekanth, R.; Thilakarathne, B.L. Sanjaya; Lakmini, G.W.A.S. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

The evolution of the incubation process over the years is characterized by significant scientific and technological development. The research aimed to develop a modern, cost-effective, and energy-efficient incubator with ...
Effects of application of dolomite with inorganic fertilizers on nutrient availability and yield of rice

Rupasinghe, M.G.N.; Umange, S.D.; Rajapaksha, S.U.S.; Weerasingha, K.A.A.L.; Millavithanachchi, A.R.; Weerasinghe, T.M.H. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Low country wet zone (LCWZ), the buffer zone of rice production in Sri Lanka is having lower productivity about 3.2 t/ha. The paddy soil in LCWZ is typically acidic and may be one of the reasons for poor productivity. ...
Examining physicochemical properties of compost derived from water hyacinth (Eichhornia crassipes L.) mixing with cattle manure and saw dust

Jayaweera, W.M.C.S.; Amarasinghe, S.R.; Ranawake, A.L. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Water hyacinth (WH) (Eichhornia crassipes L.) is an aquatic weed that invades freshwater bodies. Utilizing WH for composting presents a sustainable management technique for WH. In this study, WH was employed in various ...
Study the effect of Azolla (Azolla pinnata) based organic fertilizer enriched with Eppawala Rock Phosphate and Rice Husk Ash on growth and yield of Chilli (Capsicum annum)

Batugedara, B.M.H.S.; Rajawatta, K.M.W.; Karunarathne, T. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

The excessive utilization of inorganic fertilizers can result in severe human and environmental risk. The study was conducted to evaluate the effect of an organic fertilizer derived from Azolla in its dry form blended ...
Comparison of the Eppawala Rock Phosphate (ERP) solubilizing efficiencies by fungi in selected agricultural soils

Weerakoon, W.M.R.W.; Suriyagoda, L.D.B.; Rajapakse, S.; Pitawala, H.M.T.G.A.; Nawarathne, K.K.K. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Phosphorus (P) is a macro nutrient, which mainly presents as fixed forms in soils. The fixation limits the P availability for plant uptake. Conventionally, P fertilizers are applied excessively for upland vegetables and ...
Evaluation of the performances of crop residue based mulching pellet with different organic mulching materials on growth of weeds, soil properties, and growth and yield of ground nut (Arachis hypogaea L.)

Edirimanna, I.C.S.; Madhushika, H.M.V.; Priyadarshani, K.D.C.D.; Koshila, N.G.S.; Gunasekara, G.T.N. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

In ground nut cultivation, the period of up to one month of plant growth is a critical period of weed growth and competition with weeds. The objective of the study was to develop crop residue based mulching pellets for ...
Evaluation of clay soil mixtures as cost-effective grow bag media for curry chili (Capsicum annuum) cultivation under protected house conditions

Sampath, K.H.H.U.; Kumarasinghe, H.K.M.S.; Karunarathne, W.M.A.M.; Wijesuriya, W.M.H.H. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

This study was conducted to evaluate the clay soil mixtures as cost-effective grow bag media for curry chili (Capsicum annuum) cultivation under protected house conditions. Clay soil is commonly available and inexpensive. ...
Microbiological analysis of Phenanthrene and Naphthalene degrading soil bacteria isolated from landfills and paddy fields: Bioremediation approach for a green environment

Shahindha, F.; Arulnesan, J.V.; Chandrasekaran, R.; Sabra, S.F.; Mayooran, P.; Fernando, R.; Jayasundara, J.M.U.D.; Omind, P.; Dharmasiri, R.B.N. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Polycyclic Aromatic Hydrocarbons (PAH) are organic compounds made up of carbon and hydrogen, consisting of two or more connected aromatic rings, produced by the combustion of carbonaceous compounds. They accumulate in ...
Identification of cadmium (Cd2+) bioremediation potential algal species in Beira Lake, Sri Lanka

Lankika, S.P.; Wickramawardana, T.G.A.I. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Algae have been shown to be capable of removing a wide variety of pollutants from water, including harmful heavy metal ions. The research gap in the identification of cadmium-degrading algal species in wastewater in Sri ...
The effects of phosphate fertilizer on growth, yield and anthracnose resistance in chili (Capsicum annum) plant

Chandrawansa, S.W.; Priyadharshani, S.V.G.N.; Gammanpila, H.W. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Chili plants (Capsicum annum) are globally cultivated for their culinary, economic, and medicinal value, with their diverse flavors and spiciness enriching cuisines worldwide. In Sri Lanka, chili is a key condiment and ...
Effect of vermicompost in combination with inorganic fertilizers and vermiwash on growth and yield of Amaranthus polygamous

Menaka, W.M.; Kajeevan, K.; Gnanavelrajah, N.; Amirthalojanan, A.; Sivanesan, S. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Sole reliance on inorganic farming methods can lead to environmental problems and health issues. An integrated nutrient management system is the alternative approach to address these challenges and enhance agricultural ...
Potential of Chlorella sp. cultivated in dairy effluent as a complementary liquid organic fertilizer on growth and yield of finger millet (Eleusine coracana l.)

De Silva, A.H.A.T.E.; Gnanavelrajah, N.; Ketheesan, B.; Kajeevan, K. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

The over-use of synthetic chemical fertilizer has an adverse effect on the environment. To overcome this issue, usage of alternate sources of nutrients is essential. Chlorella sp.(C) is a green microalga which has been ...
The potential of Nostoc cultivated in parboiled effluent as a biofertilizer for paddy cultivation

Jayasekara, J.M.H.S.; Gnanavelrajah, N.; Ratnayake, R.R. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Paddy cultivation predominantly depends on inorganic fertilizers due to the limited availability of high-quality organic alternatives. Cyanobacteria have emerged as a widely accepted tool in the agriculture sector, due ...
A phosphate-solubilizing bacteria based biofertilizer applied with Eppawala rock phosphate as a strategy to supply phosphorous in rice (Oryza sativa) cultivation

Jeewanthi, P.B.D.; Dandeniya, W.S. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Concerns regarding environment and economics necessitate sustainable alternatives for synthetic phosphorous (P) fertilizers like triple-superphosphate (TSP). This study aimed to assess the efficacy of a Phosphate-Solubilizing ...
Preserving Genetic Diversity in Medicinal Plant Cultivation: Case Studies on Tripterygium wilfordii, T. hypoglaucum and Nypa fruticans

Mantiquilla, Junaldo A.; Shiao, Meng-Shin; Sridith, Kitichate; Sidique, Siti Nordahliawate M.; Liyanage, Wasantha Kumara; Shih, Huie-Chuan; Yuan, Qingjun; Chiang, Yu-Chung (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Traditional and potential medicinal plants play a vital role in human health, but over-exploitation has resulted in biodiversity loss that raise global concerns. Moreover, there are no known breeding programs to improve ...
Evaluating new fertilizer schedules for enhanced cultivation of salad cucumber (Cucumis sativus l.) under controlled environmental agriculture

Vithusha, S.; Dias, W.K.N.S.; Gunawardena, O.B.; Adikaram, K.K.L.B.; Wathugala, D.L.; Fernando, K.M.C. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Controlled environmental agriculture (CEA) represents a progressive paradigm in agricultural methodologies. Cucumber (Cucumis sativus L.), a globally pervasive vegetable, underscores the paramount importance of efficient ...
Adaptability Testing of Promising Jumbo Peanut Breeding Lines in Sri Lanka.

Amarasinghe, Y.P.J.; Jeewani, D.G.C.; Wijesinghe, G.; Pushpakumara, R.W. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Expanding peanut cultivation in Sri Lanka is becoming a timely need with the current socioeconomic situation in the country, as it can sustain the food, nutrition and improve the poor livelihoods. Improvement of new ...
Invasion of Bondar's Nesting Whitefly (Paraleyrodes bondari Peracchi) in coconut: The first record of a new whitefly species from Sri Lanka

Dilrukshika, D.H.; Silva, D.P.M.; De Silva, P.H.P.R.; Aratchige, N.S. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Since the first report in 2019, several whitefly species have invaded coconut plantations in Sri Lanka. Until now, the presence of Aleurodicus rugioperculatus Martin, Paraleyrodes minei Iaccarino, Aleurotrachelus atratus ...
Comparative analysis of nine fungicides in inhibiting the growth of Neopestalotiopsis sp. under in-vitro conditions

Madushika, G.V.D.; Ranathunga, R.L.N.; Premarathne, R.M.D.E.; Edirisinghe, P.; Hewavitharana, S.S.; Attanayake, R.N. (Faculty of Agriculture, University of Ruhuna, SriLanka, 2024-05-10)

Recently a severe disease outbreak caused by Neopestalotiopsis sp. on strawberries was reported from commercial cultivations in Sri Lanka. The symptoms began with reddening of the leaves progressing to necrosis. As the ...

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