Historical Information
  Determination of Essentiality
Functions in Plants
  Effects on Membranes
  Role in Cell Walls
  Effects on Enzymes
  Interactions with Phytohormones
  Other Effects
Diagnosis of Calcium Status in Plants
  Symptoms of Deficiency and Excess
  Concentrations of Calcium in Plants
    - Forms of Calcium Compounds
    - Distribution of Calcium in Plants
    - Calcicole and Calcifuge Species
    - Critical Concentrations of Calcium
    - Tabulated Data of Concentrations by Crops
Assessment of Calcium Status in Soils
  Forms of Calcium in Soil
  Soil Tests
  Tabulated Data on Calcium Contents in Soils
Fertilizers for Calcium
  Kinds of Fertilizer
  Application of Calcium Fertilizers

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