Increased phytoestrogen content in organic milk and the biological importance
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Organic milk can have a higher content of plant estrogens than conventional milk. This is the conclusion of a preliminary study from 17 farms in Denmark. Plant estrogens may prevent hormone-dependent diseases, and these effects are expected to contribute to the health beneficial effect of organic milk.
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Catch crops have little effect on P and K availability of depleted soils
Catch crops and green manures are known to greatly influence nitrogen loss and availability for the succeeding crop. However, an experiment with catch crops and green manures on a long-term nutrient depletion trial showed no ability to mobilize phosphorous and potassium resources on this low fertility site. The study indicated that this may be due to the limited biomass productivity of catch crops on such low fertility soils. Read the article
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Outdoor production of slaughterpigs requires an optimized management to mitigate nitrogen pollution
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Rearing of slaughterpigs on pastures cause a potential for high nitrogen (N) loss to the environment. Yet, the environmental risk of outdoor rearing can be mitigated by adequate choice of production season, restricted feeding and paddock management.
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Soil aggregation - a matter of proper management
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In conventional and organic farming, a diverse crop rotation, including grass and animal manure, resulted in stable crumbs with a high content of biological binding and bonding agents. A cash crop rotation, with only synthetic fertilizers, resulted in small, stable aggregates with clay as binding agent. This provides poor conditions for preparing seedbeds.
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New organic growing system reduces losses of nutrients
Tomato plants gave high yield and reduced leaching when grown in novel semi-confined beds. The new growing system is based on nutrient-rich compost and re-circulation of surplus water. At the same time plant roots are allowed to grow into the surrounding soil as well.
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Do organic farmers produce good nature quality
Organic farmers may have more spiders, skylarks and more diverse hedges than conventional neighbours. But is that what is expected from organic farming in the eyes of the farmers and the surrounding society? One major conclusion from a recent multidisciplinary study is that 'nature' is perceived and interpreted very differently by different actors, such as the researchers from different disciplines and the farmers themselves.
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Brief news
- 100 pct organic feeding
- Joint Organic Congress 2006
- Newsletters from EU projects
And more..
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