Ralph Gretzmacher is an Austrian scientist, professor of botany, zoology and an expert on tropical and subtropic agronomy.
The Austrian Representative for the European Coordination Group to Food and Agriculture Organization of the United Nations, he was a former Head of the Austrian Delegate to Consultative Group on International Agricultural Research, he completed his doctoral studies from the University of Natural Resources and Life Sciences, Vienna in 1968.
Gretzmacher has published scientific and academic papers for more than 40 years in the field of soil science and agronomy in Europe. He won the Adolf Schärf Prize in 1974.
In 2006, Gretzmacher led the project called Benefiting from an improved agricultural portfolio in Asia by the European Commission of the European Union (EU); formerly, he also led agricultural research projects in Namibia, Ethiopia, Kenya, Palestine and various other countries in Europe and Asia, as well as serving as a member of the Austrian Council of Asean-European University Network.
Gretzmacher, R. (2004): The Republic South Africa., 18.02.2004, Kasetsart Universität, Bangkok, Thailand
Gretzmacher, R. (2004): Worldwide agriculture - principles, development and comparison of influences from climate up to politics., 18.02.2004, Kasetsart Universität, Bangkok, Thailand
Gretzmacher, R. (2003): Grundlagen und Entwicklung der Landwirtschaft in der 3. Welt. Vorlesung im Lehrgang für Akademische Orient-Studien and der Orient Akademie, 15.-17.05.2003, Wien, Österreich
Gretzmacher, R. (2003): International agriculture with respect to geographic environment. Vorlesung, Sokrates/Ersamus-Dozentenmobilität, 25.09.2003, Süd-Böhmische Universität Budweis, Ceske Budejovice, Tschechien
Owino, J., R. Gretzmacher (2002): Performance of Narrow Strips of Vetiver Grass (Vetiveria zizanioides) and Napier Grass (Pennisetum purpureum) as Barriers against Runoff and Soil Sediment Loss on a Clay Loam Soil (Andosol) in Kenya. Deutscher Tropentag, 9.-11. Oktober 2002, Universität Kassel, Witzenhausen, Deutschland
Vollmann, J., T. Moritz, H. Wagentristl, P. Ruckenbauer, R. Gretzmacher (2001): Genetic improvement of oil content in camelina. Annual Meeting, Crop Science Society of America, 21.-25. Okt. 2001, Charlotte, NC, USA
Gretzmacher, R. (2000): Introduction to the tropics, subtropics and agronomy.. Introduction to alpine agriculture, 21. und 22. September 2000, Agricultural College Hvanneyri, Iceland
Gretzmacher, R. (2000): Pflanzenbau: Technologien für die chinesische Landwirtschaft.. China-Informations-tage an der Universität für Bodenkultur Wien, 30. Mai 2000, Wien
Bozza, G., Gretzmacher, R., Vollmann, J. (1994): The influence of sunlight and heat on inoculation.. Poster, Technical Meeting of the FAO European Network on Soyabean, Padua/Italien, 23. September
Gretzmacher, R., Schahbzian, N. (1994): Verbesserung der Eiweiß- und Ölversorgung im Iran durch Steigerung der Sojabohnenerträge mittels Optimierung der Inoculation mit Knöllchenbakterien und der organischen Düngung.. Endbericht Iran-Projekt Nr. 66, Kommission für Entwicklungsfragen bei der österreichischen Akademie der Wissenschaften
Vollmann, J., Gruber, H., Hanifi-Moghaddam, K., Gretzmacher, R., Ruckenbauer, P. (1992): New ideas to improve the efficiency of hybridization in soybean.. In: Reproductive Biology and Plant Breeding, Book of Poster Abstracts, XIIIth EUCARPIA Congress, July 6–11, 1992, Angers, France, 307-308
Bailey, A (2007). Crop genetic resources in European home gardens. Slovenia: Bioversity International. p. 86. ISBN 978-92-9043-810-6.
IBSS (1994). International Bibliography of the Social Sciences: Economics 1994. British Library of Political and Economic Science: Routledge. p. 138. ISBN 978-0-415-12783-7.
Saur (2007). Kurschners Deutscher Gelehrten-Kalender 21st Ed 3 Vol. Set. Germany: K. G. Saur Verlag. p. 1118. ISBN 978-3-598-23612-9.
Verlag der O.A.W (1994). Österreichische Akademie der Wissenschaften. Almanach, Volume 145. Austria. p. 366.
Wirtschafts-trend Zeitschriftenverlag (1989). Profil, Volume 20. Austria. p. 83.
Verein für Geschichte der Stadt Wien (1974). Wiener Geschichtsblätter, Volume 29. Austria. pp. ii.
Vandenhoeck & Ruprecht (1995). Bibliographie der Wirtschaftswissenschaften, Volume 87, Issue 1. Germany.
Del Greco,, A. (2007). Report of a Task Force on On-farm Conservation and Management. Slovenia: Bioversity International. p. 21.
