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Factors affecting the concentration of Zn, Fe and Mn in herbage from organic farms and in relation to dietary requirements of ruminants

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(2): 131-142

To obtain a general picture of the herbage zinc, iron and manganese concentrations and their relation to dietary requirements of ruminants (cattle and sheep) on organic farms, we analysed soil and herbage samples from 4 regions in Norway during 2001-2002. It was shown that the soil median Zn, Fe and Mn concentrations were 0.18, 13 and 0.84 mg/litre, respectively.

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Accession: 004158972

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DOI: 10.1080/09064710510008586

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