Search Results - "Klõšeiko, Jaan"

Cupric Ferricyanide Reaction in Solution for Determination of Reducing Properties of Plant Antioxidants by Klõšeiko, Jaan

“…To develop an antioxidant assay, the oxidation of phenolics and ascorbic acid by cupric ferricyanide in solution was estimated. Solutions (pH 6.6) were kept…”
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Changes in the canopies of Pinus sylvestris and Picea abies under alkaline dust impact in the industrial region of Northeast Estonia by Ots, Katri, Indriksons, Aigars, Varnagiryte-Kabasinskiene, Iveta, Mandre, Malle, Kuznetsova, Tatjana, Klõšeiko, Jaan, Tilk, Mari, Kõresaar, Kadri, Lukjanova, Aljona, Kikamägi, Karin

“…▶ Alkalisation of the environment around plant is still largely influenced the growth of conifers. ▶ After the installation of electric filters the growth of…”
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Use of biofuel ashes for fertilisation of Betula pendula seedlings on nutrient-poor peat soil by Mandre, Malle, Pärn, Henn, Klõšeiko, Jaan, Ingerslev, Morten, Stupak, Inge, Kört, Margus, Paasrand, Keddy

“…Short-term effects of different doses (0.25; 0.5 and 1.0 kg m −2) of wood ash (WA), peat ash (PA) and their mixture (MA) applied to peat substrate on the…”
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Evaluation of microwave radiation method for sample preparation of pine needles and wood for carbohydrate analysis by Klõšeiko, Jaan

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Effect of wood ash on leaf and shoot anatomy, photosynthesis and carbohydrate concentrations in birch on a cutaway peatland by Aguraijuja, Karin, Klõšeiko, Jaan, Ots, Katri, Lukjanova, Aljona

“…Trees in cutaway peatland are growing in difficult conditions. Fertilization with nutrient-rich wood ash helps improve growth conditions. Photosynthesis and…”
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A comparison of the growth of Scots pine (Pinus sylvestris L.) in a reclaimed oil shale post-mining area and in a Calluna site in Estonia by Kuznetsova, Tatjana, Mandre, Malle, Klõšeiko, Jaan, Pärn, Henn

“…The growth of Scots pine and its suitability for afforestation of post-mining landscapes in Northeast Estonia were assessed in comparative analytical studies…”
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Hybrid aspens responses to alkalisation of soil: growth, leaf structure, photosynthetic rate and carbohydrates by Mandre, Malle, Klõšeiko, Jaan, Lukjanova, Aljona, Tullus, Arvo

“…Interactions between photosynthetic rate, transpiration, content of soluble carbohydrates, leaf dimensions and structural parameters and growth of hybrid aspen…”
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Short-Term Influence of Clinker Dust and Wood Ash on Macronutrients and Growth in Norway Spruce (Picea abies) and Scots Pine (Pinus sylvestris) Seedlings by Klõšeiko, Jaan, Kuznetsova, Tatjana, Tilk, Mari, Mandre, Malle

“…The effects of clinker dust and wood ash on Norway spruce and Scots pine seedlings were compared in buried pots. Clinker dust (0.5 kg m ⁻²) and wood ash (0.5…”
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Ground vegetation under natural stress conditions in Scots pine forests on fixed sand dunes in southwest Estonia by Tilk, Mari, Mandre, Malle, Klõšeiko, Jaan, Kõresaar, Priit

“…Ecosystems on dunes are influenced by critical environmental factors (mineral nutrients, water deficiency, etc.) considered decisive for their existence. The…”
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Short-term responses of soil chemistry, needle macronutrients and tree growth to clinker dust and fertiliser in a stand of Scots pine by Klõšeiko, Jaan, Ots, Katri, Kuznetsova, Tatjana, Pärn, Henn, Mandre, Malle

“…Waste management of clinker dust by spreading it on forest soil was studied in a 25-year-old Scots pine stand on acidic sandy soil. Clinker dust (0.5 kg m  − 2…”
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Drought tolerance of Scots pine in diverse growth conditions on a dune estimated on the basis of carbohydrates and chlorophyll fluorescence in needles by Klõšeiko, Jaan, Tilk, Mari

“…Variation in the needle carbohydrate concentrations in Scots pine along the height profile on a forested dune in south-western Estonia were measured in spring…”
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Use of biofuel ashes in forestry by Pärn, Henn, Mandre, Malle, Ots, Katri, Klõšeiko, Jaan, Lukjanova, Aljona, Kuznetsova, Tatjana

“…Negative environmental impacts of fossil fuel combustion have increased the use of biomass for energy production. As a consequence of the increased use of…”
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Partitioning Of Carbohydrates And Biomass Of Needles In Scots Pine Canopy by Mandre, Malle, Tullus, Hardi, Klõšeiko, Jaan

“…The study was aimed at the quantitative evaluation of the temporal and spatial partitioning of non-structural carbohydrates and needle biomass in a canopy of…”
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Early Influence of Wood Ash Application on the Carbohydrate Reserves and Composition in Needles of Scots pine (Pinus sylvestris) by Kloseiko, J

“…Wood ash treatment can probably increase forest productivity on low fertility sites. However, the resulting effect on the carbohydrate concentration as the…”
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Assessment of CO2 fluxes and effects of possible climate changes on forests in Estonia by Mandre, Malle, Klõseiko, Jaan, Reisner, Vaike, Tullus, Hardi

“…The present study is the first attempt to carry out an inventory of greenhouse gas (GHG) fluxes in the forests of Estonia. The emission and uptake of CO as a…”
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Changing Carbohydrate Partitioning in 6-Year-Old Coniferous Trees after Prolonged Exposure to Cement Dust by Mandre, Malle, Klõšeiko, Jaan

“…Two-year-old seedlings of Picea abies L., P. glauca L., P. mciriana L., Pinus sylvestris L. and Pseudotsuga menziesii L. were planted in a sample plot…”
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Early Influence of Wood Ash Application on the Carbohydrate Reserves and Composition in Needles of Scots pine {Pinus sylvestris by Klõŝeiko, Jaan

“…Wood ash treatment can probably increase forest productivity on low fertility sites. However, the resulting effect on the carbohydrate concentration as the…”
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