SILVER SPRAY
AN EFFECTIVE FUNGICIDE. Silver is now so plentiful and paratively cheap that new uses are being sought for it. Cornell University scientists (United States of America) recently discovered that silver is very effective as a fungicide. Spores, they find, do not germinate if sprayed with a solution containing ope part of silver per million. Such a solution can be made by dissolving two-thirds of a grain of silver nitrate in 100 gallons of water.
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https://paperspast.natlib.govt.nz/newspapers/WAITA19390324.2.9
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Wairarapa Times-Age, 24 March 1939, Page 3
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76SILVER SPRAY Wairarapa Times-Age, 24 March 1939, Page 3
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