ANSWERS TO CORRESPONDENTS

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ANSWERS TO CORRESPONDENTS

(Prom the Journal of Agriculture),

HOW TO MAKE BASIC SUPERPHOSPHATE.

C. Stewart, Oparua.—■ Please tell me how to make basic super? Do you use burnt lime or crushed and what proportion of lime to superphosphate ?

The Fields Division. —To make basic superphosphate mix thoroughly 1 part by weight of ground burnt lime with 6 parts by weight of super, or 1 part by weight of ground limestone with 3^4 parts by weight of super. The equivalent in phosphoricacid content of 3cwt superphosphate would be 3^cwt basic superphosphate, if burnt lime is used in making; or 3cwt 961b if ground limestone is used.

Permanent link to this item

https://paperspast.natlib.govt.nz/newspapers/KWE19190123.2.16.1

Bibliographic details

Kaipara and Waitemata Echo, 23 January 1919, Page 3

Word Count

105