Note on the availability of magnesium in basic slags

✍ Scribed by S. G. Heintze

• Publisher: John Wiley and Sons
• Year: 1963
• Tongue: English
• Weight: 647 KB
• Volume: 14
• Category: Article
• ISSN: 0022-5142
• DOI: 10.1002/jsfa.2740140508

✦ Synopsis

Abstract

Pot experiments, designed to measure effects produced solely by Mg, showed that two basic slags of similar Mg content and made by the same process differed in the extent to which the Mg was available to grass, and also in the yields of grass obtained, while a slag with much lower Mg content had negligible effect on yield on an acid soil and released no Mg to either acid or basic soil.

Additions of calcium carbonate or magnesium sulphate increased yields of grass from an acid, magnesium‐deficient soil containing little exchangeable Mg and each increased the uptake of Mg.

The amount of magnesium released when soils were incubated with slags agrees with results from pot experiments.