Determination of exchangeable calcium in
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S. K. Tobia; N. E. Milad
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Article
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1956
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John Wiley and Sons
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English
β 450 KB
## Abstract Previously reported methods for determination of exchangeable calcium in soil, involving extraction with solutions of sodium, potassium or ammonium chloride or shaking with a carbonate solution, are critically reviewed and their sources of error discussed. A new procedure is recommende