{Project} MINERALSIP: Mineralinnhold i planter og mineralforsyning til drøvtyggere i økologisk landbruk. [Mineral content in plants and mineral supply for ruminants in organic agriculture.] Runs 2001 - 2006. Project Leader(s): Hansen, Sissel and Strøm, Turid, Norwegian Centre for Ecological Agriculture .

Govasmark, Espen (2005) Trace element status of soil and organically grown herbage in relation to animal requirements. [Sporstoffer i jord og økologisk dyrket grovfôr vurdert i henhold til dyrenes behov.] Thesis, Norwegian University of Life Sciences , Department of Plant- and Environmental Sciences. Norwegian University of Life Sciences.

Govasmark, Espen; Steen, Arvid; Bakken, Anne Kjersti; Strøm, Turid and Hansen, Sissel (2005) Factors affecting the concentration of Zn, Fe and Mn in herbage from organic farms and in relation to dietary requirements of ruminants. Acta Agriculturae Scandinavica Section B - Soil and Plant Science, 55, pp. 131-142.

Govasmark, Espen; Steen, Arvid; Bakken, Anne Kjersti; Strøm, Turid and Hansen, Sissel (2005) Mikromineralinnhold i jord og planter - mikromineralforsyning til drøvtyggere i økologisk landbruk. In: Grønn kunnskap, Planteforsk Apelsvoll forskningssenter, 8 (2), pp. 155-162.

Govasmark, Espen; Steen, Arvid; Strøm, Turid; Hansen, Sissel; Singh, Bal Ram and Bernhoft, Aksel (2005) Status of selenium and vitamin E on Norwegian organic sheep and dairy cattle farms. Acta Agriculturae Scandinavica, Section A Animal Science, 55, pp. 40-46.

Hansen, Sissel and Bakken, Anne Kjersti (2008) A discussion of norms for S supply in organic farming based on content in forage and ruminant performance in Norway. In: Neuhoff, Daniel (Ed.) Proceedings of the 2nd scientific conference of the international society of organic agriculture research (ISOFAR), Livestock, socio-economic and cross disciplinary research in organic agriculture, ISOFAR, II, pp. 160-163.

Steen, Arvid; Strøm, Turid and Bernhoft, Aksel (2008) Organic selenium supplementation increased selenium concentrations in ewe and newborn lamb blood and in slaughter lamb meat compared to inorganic selenium supplementation. Acta Veterinaria Scandinavica, 50 (7), pp. 1-4.

Strøm, Turid; Hansen, Sissel and Govasmark, Espen (2003) Mikromineralinnhold i jord og planter - mikromineralforsyning til drøvtyggere i økologisk landbruk. In: Grønn kunnskap, Planteforsk Kvithamar forskningssenter, 7 (3), Grønn kunnskap, pp. 122-137.