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  • nitrogen fertiliser  (1)
  • 1
    ISSN: 1871-4528
    Keywords: photon attenuation ; nitrogen fertiliser ; automation ; spectrophotometry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Extraction of chlorophyll from leaf material with dimethyl sulphoxide allowed measurement of the attenuation of photon detection from a sealed miniature14C standard to be used for total chlorophyll quantification. Comparison between the use of a spectrophotometer and a liquid scintillation counter showed chlorophyll quantification to be accurate by this latter method over a wide range of concentrations. The method does not separate chlorophyllsa andb, but allows the rapid measurement of total chlorophyll concentration, and is suitable for automation.
    Type of Medium: Electronic Resource
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