Ralph Gretzmacher

Presentations

• Year: 2005 -  Optimierung des Wassereinsatzes bei Erdbeere (Fragaria ananassa) im Gaza-Streifen/Palestina (Talk)

  Autoren: N. Ghunheim, R. Gretzmacher

  Event: 48. Jahrestagung der Gesellschaft für Pflanzenbauwissenschaften 2005 - Wasser und Pflanzenbau - Herausforderungen für zukünftige Produktionssysteme

  Period: 27.09.2005 - 29.09.2005  | Location: Vienna, Austria

• Year: 2004 -  Worldwide agriculture - principles, development and comparsion of influences from climate up to polities (Talk)

  Autoren: Gretzmacher, R.

  Event: Unknown

  Period: 18.02.2004  | Location: Bangkok, Thailand

• Year: 2004 -  The Republic South Africa (Talk)

  Autoren: Gretzmacher, R.

  Event: Unknown

  Period: 18.02.2004  | Location: Bangkok, Thailand

• Year: 2003 -  International agriculture with respect to geographic environment (Talk)

  Autoren: Gretzmacher, R.

  Event: Vorlesung, Sokrates/Ersamus-Dozentenmobilität

  Period: 25.09.2003  | Location: Ceske Budejovice, Czech Republic

• Year: 2003 -  Grundlagen und Entwicklung der Landwirtschaft in der 3. Welt (Talk)

  Autoren: Gretzmacher, R.

  Event: Vorlesung im Lehrgang für Akademische Orient-Studien and der Orient Akademie

  Period: 15.05.2003 - 17.05.2003  | Location: Vienna, Austria

• Year: 2002 -  Agroforestry Systems and Practices in Austria: Neglected but Powerful Examples for Potential Innovations in Organic Farming Systems in Temperate Climatic Regions. (Talk)

  Autoren: Stockinger, K., Vogl, C.R., Gretzmacher, R.

  Event: 14th IFOAM Organic World Congress 2002 - Cultivating Communities

  Period: 21.08.2002 - 24.08.2002  | Location: Victoria, BC, Canada | Location: Unknown, Canada

• Year: 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 (Talk)

  Autoren: Owino, J., R. Gretzmacher

  Event: Deutscher Tropentag 2002 - International Research on Food Security, Natural Resource Management and Rural Development - Challenges to Organic Farming and Sustainbale Land use in the Tropics and Subtropics

  Period: 09.10.2002 - 11.10.2002  | Location: Witzenhausen, Germany

• Year: 2001 -  Genetic improvement of oil content in camelina (Talk)

  Autoren: Vollmann, J., T. Moritz, H. Wagentristl, P. Ruckenbauer, R. Gretzmacher

  Event: Annual Meeting of the Crop Science Society of America 2001

  Period: 21.10.2001 - 25.10.2001  | Location: Charlotte, NC, USA

• Introduction to the tropics, subtropics and agronomy. (Talk)

  Autoren: Gretzmacher, R.

• The influence of sunlight and heat on inoculation. (Talk)

  Autoren: Bozza, G., Gretzmacher, R., Vollmann, J.

• New ideas to improve the efficiency of hybridization in soybean. (Talk)

  Autoren: Vollmann, J., Gruber, H., Hanifi-Moghaddam, K., Gretzmacher, R., Ruckenbauer, P.

• Pflanzenbau: Technologien für die chinesische Landwirtschaft. (Talk)

  Autoren: Gretzmacher, R.

• Verbesserung der Eiweiß- und Ölversorgung im Iran durch Steigerung der Sojabohnenerträge mittels Optimierung der Inoculation mit Knöllchenbakterien und der organischen Düngung. (Talk)

  Autoren: Gretzmacher, R. , Schahbzian, N.