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Ilga Kokorīte, Māris Kļaviņš, Jānis Šīre, Oskars Purmalis and Aija Zučika

Lithuanian). Clausen, J., Robb, J., Curry, D., Korte, N. (2004). A case study of contaminants on military ranges: Camp Edwards, Massachusetts, USA. Environ. Pollut. , 129, 13-21. Gilucis, A. (2007). Mikro- un makroelementu satura un izplatības likumsakarības Latvijas augšņu virsējos horizontos [Regularities of the contents and distribution of trace elements and macroelements in the upper horizons of Latvian soils]. Unpublished doctoral dissertation, University of Latvia, Rīga, Latvia. Maloney, K

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Dace Piliksere, Vija Strazdiņa, Zaiga Vīcupe, Zaiga Jansone, Linda Legzdiņa, Indra Beinaroviča and Arta Kronberga

resistance and yielding essential for organic growing. Agron. Res. , 7 , 374-380. Liatukas, Þ., Leistrumaitë, A., Razbadauskienë, K. (2008). The main traits of winter wheat for breeding for organic farming in Lithuania. Latvian J. Agron. , 11 , 113-119. Maïecka, S. (2003). Competitive ability of barley varieties and weeds in agrophytocenosis. Latvian J. Agron. , 5 , 151-154. Wilson, J. B. (1988). Shoot competition and root competition. J. Appl. Ecol. , 25 , 279-296. Wolfe, M. S., Baresel, J. P

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Vija Strazdiņa

, Alnarp, Sweden, June 15-17 (p. 259). Strazdina, V. (2007). Wheat genetic resources and utilization in breeding programs in Latvia. In: Proceedings of the International Scientific Conference Plant Breeding: Scientific and practical aspects to mark the 85th anniversary of the National Plant Breeding in Lithuania, 3-5 July, Dotnuva (p. 24). Strazdina, V. (2008). Evaluation of main traits and their relationships of spring wheat. Latv. J. Agron.(Agronomijas vēstis) , No. 11, Jelgava, 154

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Elga Apsîte, Didzis Elferts and Inese Latkovska

). Impact of climate change on river ice phenology in Lithuania. Environ. Res. Eng. Manag., 4 (46), 13-22. Sokal, R. R., Rohlf, F. J. (1995) Biometry: The Principles and Practice of Statistics in Biological Research. 3rd edition. W. H. Freeman and Co, New York. 778 pp. Solomon, B. G., Knut, T. A. (2011). Investigation of river ice regimes in some Norwegian water courses. In: CGU HS Committee on River Ice Processes and the Environment, 16th Workshop on River Ice, 18-22 September 2011, Winnipeg, Manitoba, pp. 1-17. Stakle, P

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Kaspars Liepiņš, Jānis Liepiņš and Roberts Matisons

. Plant Pathol. , 15 , 5–21. Hannouz, S., Collet, R., Butaud, J. C., Bleron, L., Candelier, K. (2015). Mechanical characterization of heat-treated ash wood in relation with structural timber standards. Pro Ligno , 11 , 13. Juodvalkis, A., Kairiukstis, L., Vasiliauskas, R. (2005). Effects of thinning on growth of six tree species in north-temperate forests of Lithuania. Eur. J. For. Res. , 124 , 187–192. Kadunc, A. (2004). Growth characteristics of common ash ( Fraxinus excelsior L.) in Slovenia. Zbornik Gozdarstva in Lesarstva , 73 , 63

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Vija Strazdiņa

, V., Kokina, I., Lapina, L., Mikelsone, A., Rashal, I. (2009). Extension of spring wheat breeding using doubled haploids technology. Acta Biol. Univ. Daugavpiliensis , 9 , 34-38. Lielmanis, J., Bērziņš, E., Garbars, J. (1931). Selekcijas un izmēginājumu darbi. Rīga. 287 lpp. Rashal, I. (2001). The PGR network in Latvia. Biologija (Lithuania), 4 , 20-22. Rashal, I. (2002). Latvian Gene Bank of Cultivated Plants: the first steps. In: Broad Variation and Precise Characterization

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Oskars Balodis and Zinta Gaile

structural elements. Latvian J. Agron., 8 , 112–117. Luthman, P. W. J., Dixon, F. L. (1987). The effect of drilling date on the growth and yield of oil-seed rape ( Brassica napus ). J. Agr. Sci., 108 , 195–200. Malinauskas, D. (2005). Peculiarities of Winter Rape Growth, Development and Ripening in Central Lithuania . Summary of Doctoral Dissertation. Lithuanian University of Agriculture, Kaunas, 26 pp. Mathieu, A., Cournede, P. H., Allirand, J. M., Jullien, A., Reffrye, P., Zhang, B. G., Wang, X. (2011). Effects of pod position and its appearance

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Ivars Strautnieks and Ineta Grīne

000. Sheet 42 (Jūrmala). Explanatory note and maps]. Rīga: Valsts geologijas dienests (in Latvian). Markots, A., Strautnieks, I., Zelčs, V. (2007). Morphology, internal structure and genetic interpretation of the moraine ridge at Cēre, central part of the Northern Kursa Upland, NW Latvia. In: Quaternary of Western Lithuania: From the Pleistocene Glaciations to Evolution of the Baltic Sea. Proceedings of the International Field Symposium , May 27 - June 02 (pp. 51-52). Plateliai (Lithuania). Mūrnieks, I. (1999

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Sandra Minova, Rita Sešķēna, Santa Voitkāne, Zane Metla, Māris Daugavietis and Līga Jankevica

of the Lithuanian Institute of Horticulture and Lithuanian University of Agriculture. Sodininkystė ir daržininkystė , 28 (3), 269–280. Yermakov A. E. (1987). Methods for Biochemical Investigation of Plants [Ермаков, A. E. Методы биохимического исследования растений]. Leningrad: Agropromizdat. 429 pp. (in Russian).

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Diāna Arāja

) [Diabetes Mellitus (Statistical data on patients’ number, allocation by regions, age groups, gender, type of Diabetes Mellitus, treatment methods, complications, results of clinical investigation, 2007-2011)]. Centre for Disease Prevention and Control of Latvia (in Latvian). http://www.spkc.gov.lv/veselibas-aprupes-statistika/ Anonymous (2012c). Health in the Baltic Countries, 2010 (19th edition) . National Institute for Health Development of Estonia, the National Health Service of Latvia, Health Information Center of Lithuania. http