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Related Experiment Videos

Availability of phosphorus in bone meal.

A M Baker1, J R Trimm, F J Sikora

  • 1Tennessee Valley Authority, National Fertilizer Development Center, Muscle Shoals, AL 35660.

Journal - Association of Official Analytical Chemists
|September 1, 1989
PubMed
Summary
This summary is machine-generated.

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Bone meal

Area of Science:

  • Agricultural Chemistry
  • Soil Science
  • Nutrient Availability

Background:

  • Bone meal is a common phosphorus fertilizer.
  • Understanding phosphorus availability in bone meal is crucial for efficient agricultural application.
  • Existing analytical methods may not fully capture agronomic phosphorus availability.

Purpose of the Study:

  • To evaluate the phosphorus content and availability in commercial bone meal products.
  • To investigate the relationship between phosphorus particle size and its availability.
  • To compare analytical phosphorus availability with agronomic performance.

Main Methods:

  • Analysis of total and available phosphorus in bone meal using AOAC methods.
  • Grinding bone meal to varying particle sizes to assess phosphorus availability.

Related Experiment Videos

  • Citrate extraction to isolate insoluble bone meal fractions.
  • Agronomic studies comparing bone meal fractions and reagent-grade calcium phosphate.

    • Main Results:

    • Phosphorus availability in bone meal increased with finer grinding.
    • Analytical determination of phosphorus availability showed a direct relationship with fineness.
    • Agronomic studies revealed a poor correlation between analytical and agronomically determined phosphorus availability.

    Conclusions:

    • Analytical methods for determining phosphorus availability in bone meal may not accurately predict plant uptake.
    • Particle size significantly influences phosphorus availability, but this is not fully captured by standard chemical analyses.
    • Further research is needed to develop reliable methods for assessing the agronomic effectiveness of bone meal phosphorus.