SABIIA - Sistema Aberto e Integrado de Informação em Agricultura (Sabiia)

Nitrogen utilization in integrated crop and animal production

Nyttan av stenmjöl, benmjöl och kompost som fosfor- och kaliumgödsel i ekologiskt lantbruk har undersökts i två fältförsök.

Tipo: Journal paper

Palavras-chave: Farming Systems.

Ano: 2002

URL: http://orgprints.org/4073/1/4073.pdf

The principles of organic production are based on integration between crop and animal production and self-regulated nutrient intensity. A comparison between specialized dairy and crop farm models and an integrated dairy and crop farm model showed 24 % higher total production per area and higher nitrogen utilization in the integrated system. The main factors were more efficient nutrient circulation, better utilization of legume crops and low intensity of nitrogen on non-legume crops.

Primary nutrient balance as a new tool to evaluate nutrient utilization

Palavras-chave: Crop combinations and interactions; Production systems.

Ano: 2008

URL: http://orgprints.org/13895/1/ifoam.pdf

A new tool, utilization rate of primary nutrients, is introduced to evaluate parallel nutrient load and efficiency of nutrient utilization. It is independent of the quality and quantity of final products and therefore allows comparison between any production systems or farms.

Baltic Ecological Recycling Agriculture and Society (BERAS project) - a case of Juva milk system

Palavras-chave: Farm nutrient management.

Ano: 2005

URL: http://orgprints.org/5222/1/5222.pdf

Kahiluoto, H.; Bäckman, S.; Hannula, A.; Kakriainen, S.; Krumalowa, V.; Kuisma, M.; Lehto, T.; Mikkola, M.; Sumelius, J.; Seuri, P.; Vihma, A.; Granstedt, A..

The aim of the study was to determine the potential, impact and prerequisites of localization and enhanced recycling in a rural food system, illustrated by the case of Juva milk. An interdisciplinary scenario based on the increase of local, organic milk to 50 % of milk comsumption was created and the sustainability was compared, on the basis of the statistics and data collected from the actors, with the present milk system.

Nitrogen balance and self-sufficiency on dairy cattle farms in northern conditions

Palavras-chave: Recycling; Balancing and resource management.

Ano: 2005

URL: http://orgprints.org/5220/1/5220.pdf

Three organic dairy farms are introduced. Data is based on personal interviews and documents on the farms, data is based on year 2002. All the farms are located in eastern Finland, in Juva region.

Measurement of nutrient leakage from organic crop rotation in Finland

Palavras-chave: Dairy cattle.

Ano: 2004

URL: http://orgprints.org/4294/1/4294.doc

Kuisma, M.; Seuri, P..

Water discharge and nutrient leakage studies were conducted in an experimental field on organic farming practices for 20 years. Water discharge was measured and flow-weighted water samples were taken from mixed crop rotation.