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Organic Fodder Production in Intensive Organic Livestock Production in Europe: Recent Scientific Findings and the Impact on the Development of Organic Farming [PDF]

open access: yes, 2005
Organic farming is practiced in over 100 countries on more than 26 million hectares. In the European Union (EU 25), about 5.6 million hectares of farm land are certified under the EU organic farming regulation 2092/91/EEC.
Böhm, Herwart, Rahmann, Gerold
core  

Contribución para la caracterización florístico-ambiental del Norte de Portugal [PDF]

open access: yes
En el presente trabajo se hace mención a diferentes taxones específicos e infraespecíficos con distribuciones diversas en el territorio portugués continental.
Aguiar, Carlos   +7 more
core   +1 more source

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