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Research centre
For agriculture
And forestry

Dr. Irena Deveikytė

ORCiD iD: 0000-0001-7528-267X
Tel. +370 347 37 275
E-mail: irena.deveikyte@lammc.lt
Instituto al. 1, Akademija, LT-58344 Kėdainiai distr., Lithuania


1981–1986 Scientific Agronomist (comparable to M.Sc.), Lithuanian Agriculture University  (since 2019 Vytautas Magnus University Agriculture Academy).

Academic degrees and pedagogical titles

Doctoral Dissertation (Biomedical Sciences, Agronomy 06 B) in 1992. Title of the work “Herbicide effectiveness increase in sugar beet”.

Research fields

  • The investigations on sugar beet growing technology
  • Research on weediness under traditional and ecological management systems
  • The influence of soil tillage and crop rotations on changes of agrophytocenosis
  • The investigation of biological effectiveness of new chemical formulations

Professional experience

Since 2010 Senior researcher, Institute of Agriculture, LAMMC.
2007–2010 Senior researcher, Lithuanian Institute of Agriculture.
2002–2007 Researcher, Lithuanian Institute of Agriculture.
2002–2005 Senior researcher and Scientific Secretary, Lithuanian Institute of Agriculture.
1995–1993 Researcher, Lithuanian Institute of Agriculture.
1986–1993 Junior researcher,  Lithuanian Institute of Agriculture.

Memberships and affiliations with professional organizations

  • Member of Nordic Association of Agricultural Scientists (NJF).
  • Member European Weed Research Society (EWRS).
  • Member of the Lithuanian Herbology Society.
  • Member of the Lithuanian Scientists Society.
  • Member Lithuanian Agronomy Society.

Other activities

  • The Member of the Adviser’s Commission at the State Plant Service under the Ministry of Agriculture.

Involvement in programmes and projects

  • 2015–2018 Project “The influence of long-term contrasting intensity resources management on genesis of different soils and to other agro-ecosystems components” of the National Scientific Programme “Sustainability of Agro-Forest and Water Ecosystems” financed by Research Council of Lithuania, participant.
  • 2012–2014 Project “Assessment of Agricultural Load on Agrocenoses and their Sustainability under Organic Production System” National programme supported Lithuanian ministry of Agriculture, participant.
  • 2007–2008 Project “Evaluation of plant mixtures and nitrogen use in the system “soil-plant” of the organic farming system”. (Financial support from The Ministry of Agriculture of the Republic of Lithuania and The Lithuanian State Science and Studies Foundation, participant.


  • 2011 The Medal of the Merit For the Lithuania‘s countryside“.


Articles in journals indexed in Clarivate Analytics Web of Science database

  1. Kochiieru M., Feiza V., Feiziene D., Lamorski K., Deveikyte I., Seibutis V., Pranaitiene S. 2023. Long-term contrasting tillage in Cambisol: Effect on water-stable aggregates, macropore network and soil chemical properties. International Agrophysics, 37 (1): 59–67. IF – 1,627  
  2. Šarūnaitė L., Toleikienė M., Arlauskienė A., Razbadauskienė K., Deveikytė I., Supronienė S., Semaškienė R., Kadžiulienė Ž. 2022. Effects of pea (Pisum sativum L.) cultivars for mixed cropping with oats (Avena sativa L.) on yield and competition indices in an organic production system. Plants, 11 (21): 2936. IF – 4,658
  3. Semaškienė R., Jonavičienė A., Razbadauskienė K., Deveikytė I., Sabeckis A., Supronienė S., Šarūnaitė L., Kadžiulienė Ž. 2022. The response to crop health and productivity of field pea (Pisum sativum L.) at different growing conditions. Acta Agriculturae Scandinavica, Section B – Soil and Plant Science, 72 (1): 923–930. IF – 1,931
  4. Toleikiene M., Slepetys J., Sarunaite L., Lazauskas S., Deveikyte I., Kadziuliene Z. 2021. Soybean development and productivity in response to organic management above the Northern boundary of soybean distribution in Europe. Agronomy, 11 (2): 214. IF – 3,949
  5. Kochiieru M., Feiza V., Feizienė D., Volungevičius J., Deveikytė I., Seibutis V., Pranaitienė S. 2021. The effect of environmental factors and root system on CO2 efux in different types of soil and land uses. Zemdirbyste-Agriculture, 108 (1): 3–10. IF – 1,281
  6. Kochiieru M., Feiziene D., Feiza V., Volungevicius J., Velykis A., Slepetiene A., Deveikyte I., Seibutis V. 2020. Freezing-thawing impact on aggregate stability as affected by land management, soil genesis and soil chemical and physical quality. Soil and Tillage Research, 203: 104705. IF – 5,374
  7. Deveikytė I., Seibutis V., Feiza V., Feizienė D. 2015. Control of annual broadleaf weeds by combinations of herbicides in sugar beet. Zemdirbyste-Agriculture, 102 (2): 147–152. IF – 0,523
  8. Feiziene D., Janusauskaite Dalia., Feiza V., Putramentaite A., Sinkeviciene A., Suproniene S., Seibutis V., Kadziene G., Deveikyte I., Lazauskas S., Janusauskaite D., Povilaitis V. 2015. After-effect of long-term soil management on soil respiration and other qualitative parameters under prolonged dry soil conditions. Turkish Journal of Agriculture and Forestry, 39 (5): 633–651. IF – 1,311
  9. Feiza V., Feizienė D., Sinkevičienė A., Bogužas V., Putramentaite A., Lazauskas S., Deveikytė I., Seibutis V., Steponavičienė V., Pranaitienė S. 2015. Soil water capacity, pore-size distribution and CO2 e-flux in different soils after long-term no-till management. Zemdirbyste-Agriculture, 102 (13): 3–14. IF – 0,523
  10. Arlauskienė A., Šarūnaitė L., Kadžiulienė Ž., Deveikytė I., Maikštėnienė S. 2014. Suppression of annual weeds in pea and cereal intercrops. Agronomy Journal, 106 (5): 1765–1774. IF – 1,141
  11. Feiza V., Feizienė D., Deveikytė I., Seibutis V., Antanaitis Š., Povilaitis V., Lazauskas S., Janušauskaitė D. & Supronienė S. 2014. Soil pore-water environment and CO2 emission in a Luvisol as influenced by contrasting tillage. Acta Agriculturae Scandinavica, Section B – Soil and Plant Science, 64 (4): 350–359. IF – 0,705
  12. Putramentaitė A., Feizienė D., Feiza V., Antanaitis Š., Deveikytė I., Seibutis V., Janušauskaitė D. 2014. The influence of tillage, fertilization and meteorological conditions on the CO2 exchange rate in a loamy Cambisol. Zemdirbyste-Agriculture, 101 (3): 227–234. IF – 0,567
  13. Šarūnaitė L., Deveikytė I., Arlauskienė A., Kadžiulienė Ž., Maikštėnienė S. 2013. Pea and spring cereal intercropping systems: advantages and suppression of broadleaved weeds. Polish Journal of Environmental Studies, 22 (2): 541–551. IF – 0,600
  14. Feizienė D., Feiza V., Kadžienė G., Vaidelienė A., Povilaitis V., Deveikytė I. 2012. CO2 fluxes and drivers as affected by soil type, tillage and fertilization. Acta Agriculturae Scandinavica, Section B – Soil and Plant Science, 62 (4): 311–328. DOI: 10.1080/09064710.2011.614272. IF – 0,699
  15. Feiza V., Feiziene D., Kadziene G., Lazauskas S., Deveikyte I., Slepetiene A., Seibutis V. 2011. Soil state in the 11th year of three tillage systems application on a cambisol. Journal of Food, Agriculture and Environment, 9 (3–4): 1088–1095. IF – 0,699
  16. Feiziene D., Feiza V., Slepetiene A., Liaudanskiene I., Kadziene G., Deveikyte I., Vaideliene A. 2011. Long-term influence of tillage and fertilization on net carbon dioxide exchange rate on two soils with different textures. Journal of Environmental Quality, 40 (6): 1787–1796. IF – 2,324
  17. Arlauskienė A., Maikštėnienė S., Šarūnaitė L., Kadžiulienė Ž., Deveikytė I., Žėkaitė V., Česnulevičienė R. 2011. Competitiveness and productivity of organically grown pea and spring cereal intercrops. Zemdirbystė-Agriculture, 98 (4): 339–347. IF – 0,327
  18. Šarūnaitė L., Deveikytė I., Kadžiulienė Ž. 2010. Intercropping spring wheat with grain legume for increased production in an organic crop rotation. Zemdirbyste-Agriculture, 97 (3): 51–58. IF – 0,232

Other peer-reviewed publications

  1. Sarunaite L., Kadziuliene Z., Deveikyte I., Kadziulis L. 2013. Effect of legume biological nitrogen on cereals grain yield and soil nitrogen budget in double-cropping system. Journal of Food, Agriculture and Environment, 11 (1): 528–533.
  2. Arlauskienė , Maikštėnienė S., Šarūnaitė L., Deveikytė I., Kadžiulienė Ž. 2011. Pasėlių diversifikacijos įtaka segetalinių augalų plitimui ekologinėje agrofitocenozėje. Kaimo raidos kryptys žinių visuomenėje, 2: 207–216.
  3. Deveikytė I. Cukrinių runkelių pasėlio piktžolėtumo mažinimo cheminėmis priemonėmis galimybės. Žemės ūkio mokslai, 18 (2): 59–63.
  4. Feizienė D., Feiza V., Lazauskas S., Kadžienė G., Šimanskaitė D., Deveikytė I. 2008. Long-term tillage and fertilization influence on a Cambisol in Lithuania. In: The soils of tomorrow. C. Dazzi, E. Costantini (eds.). Advances in GeoEcology, 39: 605–620.
  5. Deveikytė I.,Kadžiulienė Ž., Šarūnaitė L., Feizienė D. 2008. Ankštinių augalų stelbiamosios gebos įtaka piktžolėms ekologinio ūkininkavimo sąlygomis. Vagos, 32 (79): 43–48.
  6. Deveikytė I., Semaškienė R., Leistrumaitė A. 2008. Javų ir piktžolių konkurencija ekologinės žemdirbystės sąlygomis. Zemdirbyste-Agriculture, 95 (2): 3–15.
  7. Deveikyte I., Seibutis V. 2008. Effects of the phenmedipham, desmedipham, ethofumesate, Metamitron and Triflusulfuron-methyl on weeds and sugar beet. Lucrari stiintifice Universitatea de stipinte agricole si medicina veterinara Ion Ionescu de la Brad. Seria Agronomia. Iasi, Romania, 51: 278–286.
  8. Deveikytė I., Seibutis V. 2008. The influence of post-emergence herbicides combinations on broad-leaved weeds in sugar beet. Zemdirbyste-Agriculture, 95 (3): 43–49.
  9. Feiziene D., Feiza V., Lazauskas S., Kadziene G., Simanskaite D., Deveikyte I. Long-term tillage and fertilization influence on a cambisol in Lithuania. Advances in GeoEcology, 39: 605–620.
  10. Kadžiulienė Ž., Šarūnaitė L., Deveikytė I., Semaškienė R. 2008. Development of spring cereal diseases in pea/spring cereal intercrops. Zemdirbyste-Agriculture, 95 (3): 421–427.
  11. Seibutis V., Deveikyte I. 2008. Changes in the agrophytocenoses and chemical indicators of peas and sugar beet crops in short crop rotations. Lucrari stiintifice Universitatea de stipinte agricole si medicina veterinara Ion Ionescu de la Brad. Seria Agronomia. Iasi, Romania, 51: 271–277.
  12. Seibutis V., Deveikyte I. 2008. Effect of crop rotation on yield and quality of winter wheat. Кормиi кормовиробництво. Вiнииця, 62: 219–225.
  13. Deveikytė I., Auškalnis A., Seibutis V. 2007. Stosowanie mieszanek herbicydowych w buraku cukrowym i jęczmieniu jarym jako element zapobiegający powstawaniu odporności chwastów na Litwie. Progress in Plant Protection, 47 (4): 350–357.
  14. Feiziene D., Feiza V., Lazauskas S., Kadziene G., Simanskaite D., Deveikyte I. 2007. The influence of soil management on soil properties and yield of crop rotation. Zemdirbyste-Agriculture, 94 (3): 129–145.
  15. Deveikytė I., Feiza V., Feizienė D. 2006. Response of weed flora in barley, wheat and rape crops under reduced spring-time tillage. Zemdirbyste-Agriculture, 93 (4): 47–54.
  16. Deveikyte I., Seibutis V. 2006. Broadleaf weeds and sugar beet response to phenmedipham, desmadipham, etofumesate and triflusulfuron-methyl. Agronomy Research, 4: 159–162.
  17. Feiza V., Feizienė D., Deveikytė I. 2006. Supaprastintas žemės dirbimas pavasarį: 1. Įtaka dirvožemio fizikinėms savybėms. Zemdirbyste-Agriculture, 93 (3): 35–55.
  18. Feizienė D., Feiza V., Deveikytė I. 2006. Supaprastintas žemės dirbimas pavasarį: 2. Įtaka dirvožemio agrocheminėms savybėms. Zemdirbyste-Agriculture, 93 (3): 56–74.
  19. Feiza V., Feizienė D., Deveikytė I. 2006. The influence of ploughless spring tillage on crop yield in a rotation. Zemdirbyste-Agriculture, 93 (4): 16–31.
  20. Gaurilčikienė I., Deveikytė I., Petraitienė E. 2006. Epidemic progress of Cercospora beticola in Beta vulgaris L. under different conditions and cultivar resistance. Biologija, 4: 54–59.
  21. Seibutis V., Deveikytė I. 2006. Pea yield and its components in different crop rotations. Zemdirbyste-Agriculture, 93 (4): 263–270.
  22. Seibutis V., Deveikyte I. 2006. The influence of short crop rotations on weed community composition. Agronomy Research, 4: 353–357.
  23. Deveikytė I. 2005. Piktžolių naikinimo sistemos cukrinių runkelių pasėliuose. Zemdirbyste-Agriculture, 92 (4): 93–105.
  24. Deveikytė I. 2005. Sensitivity of Tripleurospermum perforatum and Chenopodium albumo n low rates of phenmedipham, desmedipham, ethofumesate, metamitron and chloridazon. Lucrari stiintifice Universitatea de stipinte agricole si medicina veterinara Ion Ionescu de la Brad. Seria Agronomy. Romania, Iasi, 48: 386–204.
  25. Feiza V., Deveikytė I., Šimanskaitė D. 2005. Soil physical and agrochemical properties changes and yield of crops in a long-term tillage experiment in Lithuania. Lucrari stiintifice Universitatea de stiinte agricole si medicina veterinara Ion Ionescu de la Brad. Seria Agronomia. Iasi, Romania, 48: 197–204.
  26. Feiza V., Šimanskaitė D., Deveikytė I., Šlepetienė A. 2005. Pagrindinio žemės dirbimo supaprastinimo galimybės lengvo priemolio dirvose. Zemdirbyste-Agriculture, 92 (4): 66–79.
  27. Deveikytė I. 2003. Herbicidų mišiniai ir jų normos cukriniams runkeliams. Zemdirbyste-Agriculture, 81: 234–243.
  28. Deveikytė I. 1997. Įvairių herbicidų efektyvumas cukriniuose runkeliuose. Zemdirbyste-Agriculture,  57: 180–188.
  29. Deveikytė I. 1996. Sudygusių cukrinių runkelių purškimo herbicidais galimybės. Zemdirbyste-Agriculture,  56: 91–100.

Monographs, books, textbooks and their sections published by international publishers

  1. Deveikyte I., Sarunaite L., Seibutis V. 2015. Evaluation of pre- and postemergence herbicide combinations for broadleaved weeds in sugar beet. Price A., Kelton J., Sarunaite L. (eds.). In Herbicides, Agronomic Crops and Weed Biology. Publisher: InTech, p. 53. ISBN 978-953-51-2218-0
  2. Šarūnaitė L., Arlauskienė A., Deveikytė I., Maikštėnienė S., Kadžiulienė Ž. 2012. Intercropping of pea and spring cereals for weed control in an organic farming system. Andrew J. (ed.). Weed Control. InTech, Croatia, p. 3–30.
  3. Feizienė D., Feiza V., Lazauskas S., Kadžienė G., Šimanskaitė D., Deveikytė I. 2008. Long-term tillage and fertilization influence on a Cambisol in Lithuania. Dazzi C., Costantini E. (eds.). The soils of tomorrow. Advances in GeoEcology, 39: 605–620. ISBN 3-923381-56-2.

Monographs, books, textbooks and their sections published by national publishers

  • Sugar beet. Agrobiology, research, technologies. Deveikytė I. (eds.). Monography (In Lithuanian with English Summary). Lithuanian Institute of Agriculture, 256 p.
  • Auškalnienė O., Deveikytė. 2013. The procedure for weediness evaluation of field crops and weed control effectiveness. Scientific procedure for innovative investigations in agricultural and forest sciences, Kaunas, p. 328–337.


14 Practical Recommendations for Agriculture development have been published during 1989–2017.

Popular press articles

59 articles in national agricultural press have been published during 1989–2017.