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pro vyhledávání: '"Haas, Guido"'
Autor:
Haas, Guido.
Thesis (doctoral)--Rheinischen Freidrich-Wilhelms-Universität zu Bonn, 2000.
Includes bibliographical references (p. 113-140).
Includes bibliographical references (p. 113-140).
Publikováno v:
In Livestock Science 2007 106(2):132-144
Publikováno v:
In Agriculture, Ecosystems and Environment 2001 83(1):43-53
Autor:
Haas, Guido
Klima und Witterung ändern sich: Es wird ganzjährig wärmer, im Winter nasser, im Sommer trockener, vor allem aber extremer, z. B. im Oberrheingraben, im Rheinland, in Ostdeutschland und Österreich. Rezepte zur Anpassung kann es daher keine geben.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______245::804e495e5dcaf756d18a88b82add8a11
http://orgprints.org/13934/
http://orgprints.org/13934/
Autor:
Haas, Guido
Klimaschutz wird die Themen Bodenschutz, Naturschutz, Wasserschutz und Tierschutz zukünftig als weitere zentrale Umweltwirkung ergänzen, um Landwirtschaft umweltfreundlich weiter zu entwickeln und zu vergleichen. Der Biobetrieb weist bei den beiden
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______245::ab0ce259bd7d93ff660433e3664fffad
http://orgprints.org/13933/
http://orgprints.org/13933/
The effect of the nitrogen (N) supply from hairy vetch grown as winter green manure on white cabbage was investigated in field trials performed on an organic farm in north-west Germany over two years. Hairy vetch was either used as green manure or ha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______245::0b64d559843ee42a8a6133796964b4fe
http://orgprints.org/13945/
http://orgprints.org/13945/
Organic farms are characterized as low external input agro-ecosystems. Currently, some organic dairy farmers feed higher amounts of concentrates and succulent feed, some of which is purchased, to increase the dairy performance of their cows. To asses
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______245::b505da244ac40e08592c1d61b6814429
http://orgprints.org/13927/
http://orgprints.org/13927/
Organic dairy farms with different feeding intensity and production structure differ significantly in their environmental impacts; low input organic farms achieve a higher product quality and animal welfare and cause less environmental risk for sensi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______245::997c9ae2be454cb2411bb2b12f4dff79
http://orgprints.org/9486/
http://orgprints.org/9486/
Autor:
Haas, Guido
In North-Rhine-Westphalia (NRW), the most populated German state (18 million people), 2.6% of the agricultural area is farmed organically (as of 1.1.2002). Using data derived from the NRW statistical office, the statewide extension agencies and organ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60ae08954679a19ff8173bfa477a57a0
Commissioned by the Ministry of Environment of Hamburg, Germany, an environmental impact assessment using the Life-Cycle Assessment (LCA) method was carried out during 1995 and 1996. In a scenario, the effect of a complete transition from conventiona
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______245::b61087fff6b81ec0ed13cabaa92a4c96
http://orgprints.org/13935/
http://orgprints.org/13935/