Biogazdálkodás (Hungarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Biogazdálkodás" in Hungarian language version.

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3web.archive.org

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archive.org

Holger Kirchmann, Gudni Thorvaldsson, Lars Bergström, Martin Gerzabek, Olof Andrén, Lars-Olov Eriksson and Mikael Winninge.szerk.: Holger Kirchmann and Lars Bergström: Organic Crop Production – Ambitions and Limitations. Berlin: Springer, 13–37. o. (2008) „Organic agriculture can be traced back to the early 20th century, initiated by the Austrian spiritual philosopher Rudolf Steiner.”

doi.org

dx.doi.org

Watson CA, Atkinson D, Gosling P, Jackson LR, Rayns FW. (2002). „Managing soil fertility in organic farming systems”. Soil Use and Management 18, 239–247. o. DOI:10.1111/j.1475-2743.2002.tb00265.x. (Hozzáférés: 2009. május 29.) ^{[halott link]} Preprint with free full-text.

ofrf.org

The Information Bulletin of the Organic Farming Research Foundation accessdate=2005-12-18 Archiválva 2005. december 14-i dátummal a Wayback Machine-ben

orgprints.org

Paull John (2011). „Attending the First Organic Agriculture Course: Rudolf Steiner's Agriculture Course at Koberwitz, 1924” (PDF). European Journal of Social Sciences 21 (1), 64–70. o.
Watson CA, Atkinson D, Gosling P, Jackson LR, Rayns FW. (2002). „Managing soil fertility in organic farming systems”. Soil Use and Management 18, 239–247. o. DOI:10.1111/j.1475-2743.2002.tb00265.x. (Hozzáférés: 2009. május 29.) ^{[halott link]} Preprint with free full-text.

panna.org

A study of 1,804 organic farms in Central America hit by Hurricane Mitch: Holt-Gimenez, E. (2000) Hurricane Mitch Reveals Benefits of Sustainable Farming Techniques Archiválva 2010. július 30-i dátummal a Wayback Machine-ben. PANNA.

web.archive.org

Watson CA, Atkinson D, Gosling P, Jackson LR, Rayns FW. (2002). „Managing soil fertility in organic farming systems”. Soil Use and Management 18, 239–247. o. DOI:10.1111/j.1475-2743.2002.tb00265.x. (Hozzáférés: 2009. május 29.) ^{[halott link]} Preprint with free full-text.
The Information Bulletin of the Organic Farming Research Foundation accessdate=2005-12-18 Archiválva 2005. december 14-i dátummal a Wayback Machine-ben
A study of 1,804 organic farms in Central America hit by Hurricane Mitch: Holt-Gimenez, E. (2000) Hurricane Mitch Reveals Benefits of Sustainable Farming Techniques Archiválva 2010. július 30-i dátummal a Wayback Machine-ben. PANNA.

wiley.com

www3.interscience.wiley.com

Watson CA, Atkinson D, Gosling P, Jackson LR, Rayns FW. (2002). „Managing soil fertility in organic farming systems”. Soil Use and Management 18, 239–247. o. DOI:10.1111/j.1475-2743.2002.tb00265.x. (Hozzáférés: 2009. május 29.) ^{[halott link]} Preprint with free full-text.