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Type of publication: Tezės kituose recenzuojamuose leidiniuose / Theses in other peer-reviewed publications (T1e)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Mikša, Ovidijus;Baležentienė, Ligita
Title: Agroecosystems contribution to seasonal carbon exchange in temperate climate of central Lithuania
Is part of: Long-term Agroecosystem Sustainability: Links between Carbon Sequestration in Soils, Food Security and Climate Change : International scientific conference : AgroEco2016 : Programme and abstracts. Akademija, 2016
Extent: p. 50-50
Date: 2016
Keywords: CO2 fluxes;Bio-parameters;Crops
ISBN: 978-609-449-104-7
Abstract: The increasing anthropogenic CO2 emissions into atmosphere force the choice of grown crops aimed at mitigate climate change. Carbon exchange in ecosystems or net ecosystem production (NEP) is defined as the difference between gross primary production and total ecosystem respiration, and represents the total amount of organic carbon in an ecosystem available for storage in biomass. These gains and losses is a fundamental property of ecosystems that are is becoming an important challenge for the agro sector. For this reason, investigations of seasonal carbon exchange were carried out in 2013–2016 at the Training Farm of Aleksandras Stulginskis University, Lithuania. The aim was to investigate and compare carbon exchange rate of different crops, viz. maize, grassland, winter wheat, spring rapeseed and barley of conventional farming. This study comprised carbon exchange rate, specifically, emitted and absorbed CO2 fluxes (µmol m-2s-1) applying closed chamber method. The biomass measurement (g m-2) and leaf area index (LAI, m2 m-2) calculation at different plant growth stages were used to evaluate carbon exchange in different agro ecosystems
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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