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Nutrient elements

Calcium

Urease activity and pH changes in a peat moss‐based potting medium as influenced by lime source and lime rate following the addition of urea

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Pages 1889-1895 | Published online: 21 Nov 2008

References

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  • Mulvaney , R. L. and Bremner , J. M. 1979 . A modified diacetyl monoxime method for the colorimetric determination of urea in soil extracts . Commun. Soil Sci. Plant Anal. , 10 (8) : 1163 – 1170 .
  • Nelson , D. W. 1982 . “ Gaseous losses of nitrogen other than through denitrification ” . In Nitrogen in Agricultural Soils , Edited by: Stevenson , F. J. Madison, WI : Amer. Soc. of Agron. .
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  • Peterson , J. C. 1982 . Effects of pH upon nutrient availability in a commercial soilless root medium utilized for floral crop production , OARDC Research . Circular 268.
  • Zantua , M. I. and Bremner , J. M. 1975 . Comparison of methods of assaying urease activity in soils . Soil Biol. Biochem. , 7 : 291 – 295 .

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