basic slag

American  

noun

Metallurgy.

1. slag formed by the basic process of steelmaking, used as a furnace or converter lining or as a fertilizer.

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basic slag British  

noun

1. a furnace slag produced in steel-making, containing large amounts of calcium phosphate: used as a fertilizer

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Etymology

Origin of basic slag

First recorded in 1885–90

Example Sentences

The results obtained in Scotland by Dr Aitken at the Highland Society's stations were especially favourable to basic slag as a phosphatic manure.

From Manures and the principles of manuring by Aikman, Charles Morton

Third year, 4 cwt. basic slag or 3 cwt. superphosphate and 1 cwt. nitrate of soda.

From Manures and the principles of manuring by Aikman, Charles Morton

The same applies to basic slag, which contains a considerable quantity of free lime in its composition.

From Manures and the principles of manuring by Aikman, Charles Morton

Never mix sulphate of ammonia with basic slag or with lime, but it may be mixed with superphosphate and the potash manures.

From The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition by Sutton and Sons

Superphosphate has proved superior to bonedust or basic slag; sulphate of potash has not increased the yield, while nitrogenous fertilisers, such as dried blood or sulphate of ammonia, have proved either useless or harmful.

From Wheat Growing in Australia by Australia. Dept. of External Affairs