Superphosphate of lime


  • Webster's Revised Unabridged Dictionary
    • Superphosphate of lime (Com. Chem) a fertilizer obtained by trating bone dust, bone black, or phosphorite with sulphuric acid, whereby the insoluble neutral calcium phosphate, Ca3(PO4)2, is changed to the primary or acid calcium phosphate Ca(H2PO4)2, which is soluble and therefore available for the soil.
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In literature:

On light soils apply in spring four pounds of superphosphate of lime and two pounds of sulphate of potash.
"The Culture of Vegetables and Flowers From Seeds and Roots, 16th Edition" by Sutton and Sons
The same amount of ammonia-salts, with the addition of superphosphate of lime, gave an increase of 13 bushels per acre.
"Talks on Manures" by Joseph Harris
If you require phosphates, more than ammonia, add the superphosphate of lime; but in no case omit the guano.
"Guano" by Solon Robinson
Plaster, bone-dust, and superphosphate of lime, are best for humid soils.
"The Field and Garden Vegetables of America" by Fearing Burr
In certain cases Lawes and Gilbert found that superphosphate of lime was a useful addition to the food of pigs.
"The Stock-Feeder's Manual" by Charles Alexander Cameron
On a light soil it may be advisable to add superphosphate of lime, guano, or bone-meal, in quantities of 2 to 3 cwt.
"Manures and the principles of manuring" by Charles Morton Aikman