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Original Articles

Selenium Fertilization of Guinea Grass Pastures in Central Puerto Rico

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Pages 621-625 | Received 13 Dec 2004, Accepted 04 Aug 2005, Published online: 05 Feb 2007

References

  • McDowell , L. R. 1997 . Minerals for Grazing Ruminants in Tropical Regions , 3rd Edition Gainesville, Florida : IFAS, University of Florida, Cooperative Extension Service .
  • Miles , P. H. , Wilkinson , N. S. and McDowell , L. R. 2001 . Methods of Mineral Analysis for Plant and Animal Tissues , 3rd Edition Gainesville, Florida : Animal Science Department, University of Florida .
  • NRC . 1996 . Nutrient Requirements of Beef Cattle , 7th Revised Edition 67 Washington, D.C. : National Academy Press .
  • Valle , G. 2001 . Effects of Different Methods, Sources and Levels of Selenium Supplementation and Fertilization on Beef Cattle and Forage Tissue Levels Gainesville, Florida : University of Florida . Ph.D. dissertation
  • Valle , G. , McDowell , G. R. , Prichard , D. L. , Chenoweth , P. J. , Wright , D. L. , Martin , F. G. , Kunkle , W. E. and Wilkinson , N. S. 2002 . Selenium concentration of fescue and bahiagrasses after applying a selenium fertilizer . Commun. Soil Sci. Plant Anal. , 33 ( 9–10 ) : 1461 – 1472 .
  • Valle , G. , McDowell , L. R. , Wilkinson , N. S. and Wright , D. L. 1993 . Selenium concentration of Bermuda grass after spraying with sodium selenate . Commun. Soil Sci. Plant Anal. , 24 ( 13–14 ) : 1763 – 1768 .
  • Whelan , B. R. , Barrow , N. J. and Peter , D. W. 1994 . Selenium fertilizer for pastures grazed by sheep. I. Selenium concentration in whole blood and plasma . Aus. J. Agric. Res. , 45 : 863 – 875 .
  • Whetter , P. A. and Ullrey , D. E. 1978 . Improved fluorometric method for determining selenium . J. Assoc. Offic. Anal. Chem. , 61 : 927 – 930 .

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