Electronic Journal of Polish Agricultural Universities (EJPAU) founded by all Polish agriculture universities presents original papers and review articles relevant to all aspects of natural and engineering sciences. Covered by AGRICOLA, AGRO, AGRIS, Copernicus Index, IFIS Publishing (FSTA – Food Science and Technology Abstracts), DOJE-Directory of Open Access Journal, National Marine Biological Library UK, CAS USA (Chemical Abstracts), Ulrich's Periodicals Directory, Free E-journals, Worldcat, Thomson Zoological Record and ALPSP (Association of Learned and Professional Society Publisher – full membership). Presented in the Master List of Thomson ISI. License CC-BY.

Founded in 1998       ISSN 1505-0297

EDITORIAL BOARDS OF THE SERIES
Term of Office 1998 - 2000
Term of Office 2000 - 2005

AGRICULTURAL ENGINEERING AGRONOMY ANIMAL HUSBANDRY BIOLOGY BIOTECHNOLOGY CIVIL ENGINEERING ECONOMICS ENVIRONMENTAL DEVELOPMENT FISHERIES FOOD SCIENCE AND TECHNOLOGY FORESTRY GEODESY AND CARTOGRAPHY HORTICULTURE WOOD TECHNOLOGY VETERINARY MEDICINE

AGRICULTURAL ENGINEERING - eng@ejpau.media.pl Chairman Franciszek KLUZA - University of Life Sciences in Lublin, Poland Members Fred W.BAKKER-ARKEMA - Michigan State University, USA Andrzej CHOCHOWSKI - Warsaw Agricultural University, Poland Heinz-Dieter KUTZBACH - University Hohenheim, Stuttgart, Germany Michael MAYNTZ - Swedish University of Agricultural Science, Skara, Sweden Joachim MÜLLER University Hohenheim, Germany Gordon SPOOR - Cranfiels University Silsoe, Bedford, UK Józef SZLACHTA - Wrocław University of Environmental and Life Sciences, Poland István SZTACHÓ-PEKÁRY - University of Applied Sciences of Kecskemét, Hungary Maria WALCZYK - Agricultural University, Cracow, Poland Secretary and address Ewa ZAWADZKA-MAZUREK Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie ul. Akademicka 13 20-033 Lublin Poland tel.: (+48 81) 445-67-11, 461-06-91, fax (+48 81) 533-37-52

AGRONOMY - agro@ejpau.media.pl Chairman Janusz PRUSIŃSKI - University of Technology and Life Sciences of Bydgoszcz, Poland Members: Elżbieta BOLIGŁOWA - Agricultural University, Cracow, Poland Wojciech BUDZYŃSKI - University of Warmia and Mazury in Olsztyn, Poland Stanisław DZIENIA - Agricultural University, Szczecin, Poland Tadeusz FILIPEK - University of Life Sciences in Lublin, Poland Philip HOLLINGTON - University of Wales, Bangor, UK Zofia JASIŃSKA - Wrocław University of Environmental and Life Sciences, Poland Neli Semenivna KOZHUSHKO - Sumy National Agrarian University, Ukraine Ewald SCHNUG - Institute of Plant Nutrition and Soil Science, Braunschweig, Germany Janina SKRZYCZYŃSKA - University of Podlasie, Siedlce, Poland Grzegorz SKRZYPCZAK - University of Life Sciences in Poznań, Poland Jeans L. STREIBIG - The Royal Veterinary & Agricultural University, Frederiksberg, Denmark Alan G. TAYLOR - New York State Agricultural Station, Geneva, USA Dawid L. WRIGHT - University of Florida, Quincy, USA Secretary and address Dorota SLACHCIAK Wydawnictwo Uczelniane Uniwersytetu Technologiczno-Przyrodniczego w Bydgoszczy ul. Ks. A. Kordeckiego 20 85-225 Bydgoszcz Poland tel.: (+48 52) 374-94-36, fax (+48 52) 374-94-27

ANIMAL HUSBANDRY - animal@ejpau.media.pl Chairman Wiesław F. SKRZYPCZAK - Agricultural University, Szczecin, Poland Members: Josef DVORAK - Mendel University of Agriculture and Forestry, Brno, Czech Republic Mark A. FROETSCHEL - The University of Georgia, Athens, USA Henryk GERINGER - Wrocław University of Environmental and Life Sciences, Poland Eugeniusz GRELA - University of Life Sciences in Lublin, Poland Jan JANKOWSKI - University of Warmia and Mazury in Olsztyn, Poland Józef KULISIEWICZ - Warsaw Agricultural University, Poland Sławomir MROCZKOWSKI - University of Technology and Life Sciences of Bydgoszcz, Poland Heinz PINGEL - University Hohenheim, Stuttgart, Germany Zbigniew SOBEK - University of Life Sciences in Poznań, Poland Stanisław SOCHA - University of Podlasie, Siedlce, Poland Jan SZAREK - Agricultural University, Cracow, Poland Maria TUISKULA-HAAVISTO - Agricultural Research Centre, Jokioinen, Finland Secretary and address Paweł MAJEWSKI Wydawnictwo Akademii Rolniczej w Szczecinie ul. Doktora Judyma 22 71-466 Szczecin Poland tel.: (+48 91) 454-16-39, fax (+48 91) 454-16-42

BIOLOGY - biology@ejpau.media.pl Chairman Janusz UCHMAŃSKI - University of Podlasie, Siedlce, Poland Members: Jurij DGEBUADZE - Russian Academy of Sciences, Moscov, Russia Volker GRIMM - Centre for Environmetal Researches, Leipzig, Germany Krzysztof OPALIŃSKI - Polish Academy of Sciences, Dziekanów Leśny, Poland Jerzy SZWAGRZYK - Agricultural University, Cracow, Poland Jacob WEINER - Royal Veterinary and Agricultural University, Frederiksberg, Denmark Barbara ZAGDAŃSKA - Warsaw Agricultural University, Poland Kazimierz ZALEWSKI - University of Warmia and Mazury in Olsztyn, Poland Secretary and address Anna SUPRUN Dział Wydawnictw Akademii Podlaskiej w Siedlcach ul. 3 Maja 54 08-110 Siedlce Poland tel.: (+48 25) 643-10-23, fax: (+48 25) 644-20-45

BIOTECHNOLOGY - biotech@ejpau.media.pl Chairman Ewelina DZIUBA - Wrocław University of Environmental and Life Sciences, Poland Members: Włodzimierz BEDNARSKI - University of Warmia and Mazury in Olsztyn, Poland Stanisław BIELECKI - Technical University of Lodz, Poland Uwe BORNSCHEUER - Ernst-Moritz-Arndt-University, Greifswald, Germany Iain CAMPBELL - Heriot Watt University, Edynburg, Riccarton, Great Britain Ryszard POHORECKI - Warsaw University of Technology, Warsaw, Poland Secretary and address Alina GEBEL Wydawnictwo Uniwersytetu Przyrodniczego we Wrocławiu ul. Sopocka 23 50-344 Wrocław Poland tel./fax: (+48 71) 328-12-77

CIVIL ENGINEERING - ejpau_civil@sggw.pl. Chairman Jerzy SOBOTA - Wrocław University of Environmental and Life Sciences, Poland Co-chairman Wiesław NAGÓRKO - Warsaw Agricultural University, Poland Members: Adam PODHORECKI - University of Technology and Life Sciences of Bydgoszcz, Poland Georgij SULYM - Franko Lviv National Uniwersity, Ukraine Secretary and address Renata KRUKOWSKA Szkoła Główna Gospodarstwa Wiejskiego w Warszawie Wydział Inżynierii i Kształtowania Środowiska ul. Nowoursynowska 159 02-787 Warszawa Poland tel.: (+48 22) 847-27-82

ECONOMICS - econom@ejpau.media.pl Chairman Janina SAWICKA - Warsaw Agricultural University, Poland Members: Carol J. CUMBER - South Dakota State University, Brookings, USA Lech PAŁASZ - Agricultural University, Szczecin, Poland Maria PARLIŃSKA - Warsaw Agricultural University, Poland Michał SZNAJDER - University of Life Sciences in Poznań, Poland Loren TAUER - Cornell University, New York, USA Secretary and address Iwona POMIANEK - Warsaw Agricultural University, Poland Szkoła Główna Gospodarstwa Wiejskiego Wydział Ekonomiczno-Rolniczy Katedra Polityki Agrarnej i Marketingu ul. Nowoursynowska 166 02-787 Warszawa Poland tel.: (+48 22) 593-40-70 tel/fax: (+48 22) 593-40-77

ENVIRONMENTAL DEVELOPMENT- env@ejpau.media.pl Chairman Krzysztof BOROŃ - Agricultural University, Cracow, Poland Members: Ryszard BŁAŻEJEWSKI - University of Life Sciences in Poznań, Poland Stanisław CZABAN - Wrocław University of Environmental and Life Sciences, Poland Dorota HAMAN - University of Florida, Gainesville, USA Jerzy JEZNACH - Warsaw Agricultural University, Poland Jan KUCHARSKI - University of Warmia and Mazury in Olsztyn, Poland Adam KOĆMIT - Agricultural University, Szczecin, Poland Leonid L. KOZUSHKO - Rivne State Technical University, Ukraine Pier Gino MEGALE - University of Pisa, Italy Maria Rosa MOSQUERA LOSADA - Escola Politecnica Superior, Campus Universitario, Lugo, Spain Stefan REHAK - Research Institute of Irrigation, Bratislava, Slovak Republic Ronny VERHOEVEN - University of Ghent, Belgium Anatole M. ZEILIGEUR - Moscow State University of Enviromental Enginering, Moscow, Rusia Secretary and address Sławomir KLATKA Wydawnictwo Akademii Rolniczej w Krakowie ul. 29 Listopada 46 31-325 Kraków Poland tel.: (+48 12) 662-51-57, 662-51-59

FISHERIES - fish@ejpau.media.pl Chairman Rajmund TRZEBIATOWSKI - Agricultural University, Szczecin, Poland Members: Krzysztof BIENIARZ - Agricultural University, Cracow, Poland Bohdan DRAGANIK - Sea Fisheries Institute, Gdynia, Poland Ossi LINDQVIST - University of Kuopio, Finland Andrzej MAMCARZ - University of Warmia and Mazury in Olsztyn, Poland Frans OLLEVIER - Laboratory of Aquatic Ecology, Leuven, Belgium Jan OSSE - Agricultural University, Wageningen, The Netherlands Patrick SORGELOOS - University of Ghent, Belgium Bogusław ZDANOWSKI - Inland Fisheries Institute in Olsztyn, Poland Secretary and address Paweł MAJEWSKI Wydawnictwo Akademii Rolniczej w Szczecinie ul. Doktora Judyma 22 71-466 Szczecin Poland tel.: (+48 91) 454-16-39, fax (+48 91) 454-16-42

FOOD SCIENCE AND TECHNOLOGY - food@ejpau.media.pl Chairman Waldemar UCHMAN - University of Life Sciences in Poznań, Poland Members: Bert Luigi D'APPOLONIA - North Dakota State University, USA Zbigniew DOLATOWSKI - University of Life Sciences in Lublin Jerzy DZIUBA - University of Warmia and Mazury in Olsztyn, Poland Zygmunt GIL - Wrocław University of Environmental and Life Sciences, Poland Ioannis KAZAZIS - Technological Educational Institute (TEI) of Athens, Greece Edward KOŁAKOWSKI - Agricultural University, Szczecin, Poland Zofia LISIEWSKA - Agricultural University, Cracow, Poland Arne LOVO - University of Oslo, Norway Semih OTLES - Ege University, Turkey Jan POKORNY - Institute of Chemical Technology, Praha, Czech Republic Werner PRAZNIK - University of Natural Resources and Applied Life Sciences, Vienna, Austria Roman PRZYBYLSKI - University of Lethbridge, Canada Mojmir RYCHTERA - Institute of Chemical Technology, Praha, Czech Republic Klaas WASTERTERP - University Maastrich, Netherlands Stanisław ZMARLICKI - Warsaw Agricultural University, Poland Secretary Ryszard KOWALSKI - University of Life Sciences in Poznań, Poland Secretary and address Anna ZIELIŃSKA-KRYBUS Wydawnictwo Uniwersytetu Przyrodniczego w Poznaniu ul. Witosa 45 60-667 Poznań Poland tel. (+48 61) 848-78-07, fax (+48 61) 848-71-46

FORESTRY - forest@ejpau.media.pl Chairman Józef WALCZYK - Agricultural University, Cracow, Poland Members: Dieter F. GIEFING - University of Life Sciences in Poznań, Poland Karl W. LOCKOW - Forest Research Institute in Eberswalde, Germany Ladislav PAULE- Technical University in Zvolen, Slovakia Hans D. QUEDNAU- Technical University of Munich, Germany Jerzy WIĘSIK - Warsaw Agricultural University, Poland Jan ZAJĄCZKOWSKI - Forest Research Institute, Warsaw, Poland Stefan ZAJĄCZKOWSKI - Warsaw Agricultural University, Poland Secretary and address Stanisław BROŻEK Wydawnictwo Akademii Rolniczej w Krakowie ul. 29 Listopada 46 31-325 Kraków Poland tel.: (+48 12) 662-51-57, 662-51-59

GEODESY AND CARTOGRAPHY - geodesy@ejpau.media.pl Chairman Andrzej BORKOWSKI - Wrocław University of Environmental and Life Sciences, Poland Members: Włodzimierz BARAN - University of Warmia and Mazury in Olsztyn, Poland Józef BELUCH - University of Mining and Metallurgy, Cracow, Poland Stanisław BIAŁOUSZ - Warsaw University of Technology, Poland Andrzej CIOŁKOSZ - Institute of Geodesy and Cartography, Poland Milan KONEČNY - Masaryk University Brno, Czech Republic Siegfried MEIER - Dresden University of Technology, Germany Otakar ŠVÁBENSKÝ - Brno University of Technology, Czech Republic Secretary and address Alina GEBEL Wydawnictwo Uniwersytetu Przyrodniczego we Wrocławiu ul. Sopocka 23 50-344 Wrocław Poland tel./fax: (+48 71) 328-12-77

HORTICULTURE - hort@ejpau.media.pl Chairman Jan DYDUCH - University of Life Sciences in Lublin, Poland Members: Zbigniew DĄBROWSKI - Warsaw Agricultural University, Poland Ivan P. GULKO - Lviv State Agrarian University, Dublyany, Ukraine Marek JERZY - University of Life Sciences in Poznań, Poland Fritz LENZ - Buschhoven, Germany Władysław PONIEDZIAŁEK - Agricultural University, Cracow, Poland Secretary and address Ewa ZAWADZKA-MAZUREK Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie ul. Akademicka 13 20-033 Lublin Poland tel.: (+48 81) 445-67-11, 461-06-91, fax (+48 81) 533-37-52

WOOD TECHNOLOGY - wood@ejpau.media.pl Chairman Jerzy SMARDZEWSKI - University of Life Sciences in Poznań, Poland Members: Ryszard BABICKI - Wood Technology Institute in Poznań, Poland Bogusław BAJKOWSKI - Warsaw Agricultural University, Poland Arno FRUHWALD - University of Hamburg, Germany Stanislav KURIATKO - Technical University in Zvolen, Slovakia Janina ŁĘCKA - University of Life Sciences in Poznań, Poland Secretary and address Anna ZIELIŃSKA-KRYBUS Wydawnictwo Uniwersytetu Przyrodniczego w Poznaniu ul. Witosa 45 60-667 Poznań Poland tel. (+48 61) 848-78-07, fax (+48 61) 848-71-46

VETERINARY MEDICINE - vet@ejpau.media.pl Chairman Wojciech ZAWADZKI - Wrocław University of Environmental and Life Sciences, Poland Members: Miroslav BARAN - Slovak Akademy of Science, Kosice, Slovakia Carlos CASTRILLO - University of Zaragoza, Spain Andrzej DEPTA - University of Warmia and Mazury in Olsztyn, Poland Bob ORSKOV - Rowett Research Institute, Aberdeen, UK Jacek SZCZAWIŃSKI - Warsaw Agricultural University, Poland Tadeusz STUDZIŃSKI - University of Life Sciences in Lublin, Poland Secretary and address Janina BARTKOWSKA Wydawnictwo Uniwersytetu Przyrodniczego we Wrocławiu ul. Sopocka 23 50-344 Wrocław Poland tel./fax: (+48 71) 328-12-77

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