Copper, molybdenum and cobalt in herbage and ruminants from organic farms in Norway

References

• Aasen , I and Myhr , K . (1995) . Kopar som plantenæringsstoff. Historikk-Langvarig verknad av kopar innblanda i jorda . Norsk Landbruksforsking , 9 : 85 – 100 .
   Google Scholar
• Aasen I 1997 Mangelsjukdomar og andre ernæringsforstyrringar hos kulturplanter: årsaker-symptom-rådgjerder Landbruksforl, Oslo 96 pp
   Google Scholar
• Bakken AK 1999 Høgt molybdeninnhald i grovfôret som årsak til kopparmangel hos drøvtyggerar- eit marginalt eller lite påakta problem? Report 09/99, Planteforsk Kvithamar 1 8
   Google Scholar
• Bakken , AK , Synnes , OM and Hansen , S . (2004) . Nitrogen fixation by red clover as related to the supply of cobalt and molybdenum from some Norwegian soils . Acta Agriculturae Scandinavica Section B. Soil and Plant Science , 54 : 97 – 101 .
   Google Scholar
• Cheng , BT and Ouellette , GJ . (1973) . Molybdenum as a plant nutrient . Soils Fertility , 3 : 207 – 215 .
   Google Scholar
• Chiy , PC , Avezinius , JA and Phillips , CJC . (1999) . Sodium fertilizer application to pasture. The effects of combined or separate applications of sodium and sulphur fertilizers on herbage composition and dairy cow production . Grass Forage Science , 54 : 312 – 321 .
   Google Scholar
• Clark , MS , Horwath , WR , Shennan , C and Scow , KM . (1998) . Changes in soil chemical properties resulting from organic and low-input farming practices . Agronomy Journal , 90 : 662 – 671 .
   Web of Science ®Google Scholar
• Council of European Union 1999 Council regulation (EC) No 1804/1999 of 19 July 1999 supplementing Regulation (EEC) No 2092/91 on organic production of agricultural products and indications referring to agricultural products and foodstuff to include livestock production Official Journal of the European Communities 1804/1999, L222-1-L222/28
   Google Scholar
• Debio 2003 Regler for økologisk landbruksproduksjon Available, http://www.debio.no/text.cfm?textid=62, Accessed February 26, 2004
   Google Scholar
• Fisher GEJ 2004 Micronutrients for grass/animal systems Proceedings No. 549 International Fertilizer Society, York UK 24 pp
   Google Scholar
• Frøslie A 1990 Problems of deficiency and excess minerals in animal nutrition In Låg, J. (Ed.) Geomedicine, CRC Press Boca Raton Fla. pp. 37–60
   Google Scholar
• Frøslie , A and Norheim , G . (1983) . Copper, molybdenum, zinc and sulphur in Norwegian forages and their possible role in chronic copper poisoning in sheep . Acta Agriculturae Scandinavica , 33 : 97 – 104 .
   Web of Science ®Google Scholar
• Frøslie , A , Norheim , G and Søli , NE . (1983) . Levels of copper, molybdenum, zinc and sulphur in concentrates and mineral feeding stuffs in relation to chronic copper poisoning of sheep in Norway . Acta Agriculturae Scandinavica , 33 : 261 – 267 .
   Google Scholar
• Fystro , G and Bakken , AK . (2003) . Mikromineral i gras etter overflatekalking av eng . Grønn kunnskap , 7 : 138 – 156 .
   Google Scholar
• Garmo , TH , Frøslie , A and Høie , R . (1986) . Levels of copper, molybdenum, sulphur, zinc, selenium, iron and manganese in native pasture plants from a mountain area in southern Norway . Acta Agriculturae Scandinavica , 36 : 147 – 161 .
   Web of Science ®Google Scholar
• Govasmark , E , Steen , A , Bakken , AK , Strøm , T and Hansen , S . 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 : 131 – 142 .
   Google Scholar
• Grigg , JL . (1953) . Determination of the available molybdenum of soils . New Zealand Journal of Science and Technology , 34 : 405 – 414 .
   Google Scholar
• Gruber , L , Steinwender , R , Guggenberger , T and Plakolm , G . (2001) . Comparison of organic and conventional farming on a grassland farm: third communication. Nutrient balances on supply/withdrawal basis and import/export basis . Bodenkultur , 52 : 183 – 195 .
   Google Scholar
• Johansen , A , Ljøkjel , K and Nordang , L . (2003) . Grovfôret åleine kan sjeldan gi ei god nok mineralforsyning til drøvtyggarar . Grønn kunnskap , 7 : 103 – 111 .
   Google Scholar
• Kahari , J and Nissinen , H . (1978) . Mineral element contents of timothy (Phleum pratense L.) in Finland.1. Elements calcium, magnesium, phosphorus, potassium, chromium, cobalt, copper, iron, manganese, sodium and zinc . Acta Agriculturae Scandinavica , Suppl. 20 : 26 – 39 .
   Google Scholar
• Lindsay , WL and Norvell , WA . (1978) . Development of a DTPA soil test for zinc, iron, manganese, and copper . Soil Science Society Of America Journal , 42 : 421 – 428 .
   Web of Science ®Google Scholar
• Marschner H (1995) Mineral nutrition of higher plants, Academic Press San Diego p. 889
   Google Scholar
• McCosker , PJ . (1968) . Observations on blood copper in the sheep. II Chronic copper poisoning . Research Veterinary Science , 9 : 103 – 116 .
   PubMedGoogle Scholar
• McLaren , RG , Lawson , DM and Swift , RS . (1986) . The forms of cobalt in some Scottish soils as determined by extraction and isotopic exchange . Journal of Soil Science , 37 : 223 – 234 .
   Google Scholar
• Mengel K Kirkby EA (1987) Principles of plant nutrition, International Potash Institute Worblaufen-Bern p. 687
   Google Scholar
• Metson , AJ , Janice Gobson , E and Hunt , JL . (1979) . Seasonal variations in chemical composition of pasture. 3. Silicon, aluminum, iron, zinc, copper, and manganese . New Zealand Journal of Agricultural Research , 22 : 309 – 318 .
   Web of Science ®Google Scholar
• Moore , KJ , Moser , LE , Vogel , KP , Waller , SS , Johnson , BE and Pedersen , JF . (1991) . Describing and quantifying growth stages of perennial forage grasses . Agronomy Journal , 83 : 1073 – 1077 .
   Web of Science ®Google Scholar
• O'Hara , GW . (2001) . Nutritional constraints on root nodule bacteria affecting symbiotic nitrogen fixation: a review . Australian Journal of Experimental Agriculture , 41 : 417 – 433 .
   Google Scholar
• O'Hara , GW , Boonkerd , N and Dilworth , MJ . (1988) . Mineral constraints to nitrogen fixation . Plant and Soil , 108 : 93 – 110 .
   Web of Science ®Google Scholar
• Paasikallio , A . (1978) . The mineral element contents of timothy (Phleum pratense) in Finland. I. The elements aluminium, boron, molybdenum, strontium, lead and nickel . Acta Agriculturae Scandinavica , Suppl. 20 : 40 – 52 .
   Google Scholar
• Pedersen A Lysnes H 2002 Kort beskrivelse av analysemetoder i bruk ved kjemisk analyselaboratorium Holt, ved kjemisk analyse i tørt plantemateriale, gras, surfôr, press-saft, husdyrgjødsel o.a. organisk prøvemateriale Holt forskningsstasjon, kjemisk analyselaboratorium Tromsø 8 pp
   Google Scholar
• Pettersson , P , Salomonsson , L and Nordkvist , E . (1998) . Differences in botanical and chemical composition of forage from organic and conventional leys: a survey at farm field level . Acta Agriculturas Scandinavica, Section B. Soil and Plant Science , 48 : 18 – 25 .
   Web of Science ®Google Scholar
• Puls R 1994 Mineral levels in animal health; diagnostic data Sherpa International, Clearbrook Canada 356 pp
   Google Scholar
• Rodhuskin , I , Ruth , T and Huhtasaari , A . (1999) . Comparison of two digestion methods for elemental determinations in plant material by ICP techniques . Analytica Chimica Acta , 378 : 191 – 200 .
   Google Scholar
• Semb G Øien A 1966 Undersøkelser over kopperinnholdet i norske jordprøver Forskning og forsøk i landbruket 209 226
   Google Scholar
• Sivertsen , T and Plassen , C . (2004) . Hepatic cobalt and copper levels in lambs in Norway . Acta Veteriariae Scandinavica , 45 : 69 – 77 .
   PubMed Web of Science ®Google Scholar
• Synnes , OM and Øpstad , SL . (1995) . Innhaldet av mikro- og makronæringsstoff i gras-med utgangspunkt i gransking i dei tre nordlegaste Vestlandsfylka . Faginfo , 6 : 101 – 111 .
   Google Scholar
• Ulvund MJ 1990 Ovine white-liver disease. Manifestations in cobalt/vitamin B12 deficiency in lambs Thesis. Norwegian College of Veterinary Medicine 27 pp
   Google Scholar
• Ulvund , MJ . (1995) . Koboltmangel hos sau . Norsk Veterinærtidsskrift , 107 : 489 – 501 .
   Google Scholar
• Underwood EJ Suttle NF 1999 The Mineral Nutrition of Livestock CABI publishing, CABI International Wallingford UK 614 pp.
   Google Scholar
• Whitehead DC 2000 Nutrient elements in grassland: soil-plant-animal relationships CABI Publishing Wallingford UK 369 pp
   Google Scholar